Formgedächtnislegierungs-Mikro-Nanopulver-Kerndraht für eine laseradditive Fertigung.

Der Formgedachtnislegierungs-Mikro-Nanopulver-Kerndraht für eine laseradditive Fertigung umfasst eine Hülle und einen Pulverkern Bei der Hülle handelt es sich um reines Metall eines Elements mit dem höchsten Siedepunkt unter den die Formgcdächtnislegierung bildenden Elementen und bei dem Pulverkern um ein Mikro-Nanopulver, welches aus einem Nanopulver und einem Mikropulver gebildet ist Das Mikropulver enthält eine Mischung aus elementaren Metallmikropulvern anderer Elemente als des Elements mit dem höchsten Siedepunkt oder ein Legierungsmikropulver anderer Elemente als des Elements mit dem höchsten Siedepunkt Das Nanopulver nimmt 0,5%-4% und die Hülle 40-70% in der gesamten Masse des Kerndrahts ein Die Teilchengröße des Mikropulvers beträgt 50-75 µm und die Partikelgröße des Nanopulvers 30-80 nm und wobei das Nanopulver ein Nanokeramikpulver oder ein Nano-Seltenerdpulver oder eine Kombination davon ist Die Verwendung eines Kerndrahts gemäß der vorliegenden Erfindung als Material für eine ...

NI-BASED CORROSION RESISTANT ALLOY POWDER FOR ADDITIVE MANUFACTURING AND MANUFACTURING METHOD OF ADDITIVE MANUFACTURING PRODUCT USING SAID POWDER

To provide a Ni-based corrosion resistant alloy powder suitable for additive manufacturing and a manufacturing method using this powder for manufacturing an additive manufacturing product that has excellent corrosion resistance and few defects. This Ni-based corrosion resistant alloy powder for additive manufacturing has a component composition which contains, in mass %, Cr: 14.5-24.5%, Mo: 12.0-23.0%, Fe: 0.01-7.00%, Co: 0.001-2.500%, Mg: 0.010% or less, N: 0.040% or less, Mn: 0.001-0.50%, Si: 0.001-0.200%, Al: greater than 0-0.50%, Ti: 0.001-0.500%, Cu: 0.250% or less, V: 0.001-0.300%, B: 0.0001-0.0050%, Zr: 0.0001-0.0200% and O: 0.0010-0.0300%, the remainder being Ni and unavoidable impurities; the C, S and P contained as the aforementioned unavoidable impurities include less than 0.05% of C, less than 0.01% of S and less than 0.01% of P, wherein the powder has a particle distribution in which d10 is 15-100 μm, d50 is 30-250 μm and d90 is 50-480 μm. 1. A Ni-based corrosion resistant alloy powder for additive manufacturing , composed of a powder of a Ni-based alloy having a component composition including , in mass % ,Cr: 14.5 to 24.5%,Mo: 12.0 to 23.0%,Fe: 0.01 to 7.00%,Co: 0.001 to 2.500%,Mg: 0.010% or less,N: 0.040% or less,Mn: 0.001 to 0.50%,Si: 0.001 to 0.200%,Al: more than 0 and 0.50% or less,Ti: 0.001 to 0.500%,Cu: 0.250% or less,V: 0.001 to 0.300%,B: 0.0001 to 0.0050%,Zr: 0.0001 to 0.0200%, andO: 0.0010 to 0.0300%, wherein C, S and P are contained as the unavoidable impurities (C: less than 0.05%, S: less than 0.01% and P: less than 0.01%),', 'wherein, in a cumulative distribution curve showing the relationship between a particle size and a volume cumulative from a small particle size side obtained by a laser diffraction method,', 'a particle size d10 corresponding to a cumulative frequency of 10 volume % of the powder is 15 μm or more and 100 μm or less,', 'a particle size d50 corresponding to a cumulative frequency of 50 volume % of the powder is 30 μm ...

SILVER POWDER AND METHOD FOR PRODUCING SAME

There are provided a silver powder, which is able to form an electrically conductive film having a lower resistance value than that of conventional electrically conductive films when the silver powder is used as the material of an electrically conductive paste which is fired to form the electrically conductive film, and a method for producing the same. A first silver powder having one peak or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the first silver powder in a dry process by means of a laser diffraction particle size analyzer, is mixed with a second silver powder having two peaks or more, at each of which a frequency is a local maximum value in a volume-based particle size distribution obtained by measuring the second silver powder in a dry process by means of a laser diffraction particle size analyzer, to produce a silver powder having three peaks or more, at each of which a frequency is a local maximum ...

METAL POWDER FOR 3D PRINTER, SHAPED ARTICLE, AND METHOD FOR MANUFACTURING SHAPED ARTICLE

A metal powder for 3D printer includes a plurality of metal particles. A particle size distribution of the plurality of metal particles has a maximum peak within particle diameters of 1 μm to 200 μm. The particle size distribution gives a difference D90−D10of 10 μm or more between D90and D10, D90denoting a particle diameter in which a cumulative percentage is 90% in volume proportion, and D10denoting a particle diameter in which a cumulative percentage is 10% in volume proportion.

METAL POWDER FOR 3D-PRINTING

A method of using a metal powder in an additive manufacturing process. The method includes providing the metal powder, and using the metal powder in the additive manufacturing process. The metal powder is a metal which is selected from tantalum and impurities, titanium and impurities, niobium and impurities, an alloy of tantalum, niobium and impurities, an alloy of titanium, niobium and impurities, and an alloy of tantalum, titanium, niobium and impurities. Particles of the metal powder have a dendritic microstructure. Particles of the metal powder have an average aspect ratio ΨA of from 0.7 to 1, where ΨA=XFeret min/XFeret max.

A METHOD FOR EVACUATION OF POWDER PRODUCED BY ULTRASONIC ATOMIZATION AND A DEVICE FOR IMPLEMENTING THIS METHOD

Способ получения мелкозернистой структуры в спеченных материалах

Изобретение относится к порошковой металлургии, а именно к способам получения порошкового материала для получения мелкозернистой структуры в спеченных материалах с заданными физико-механическими свойствами. Способ включает введение в порошковый спекаемый материал, содержащий кобальт, медь и олово, наночастиц вольфрама равноосной формы размером 50-80 нм, полученных плазмотермическим способом. При этом наночастицы вольфрама вводят в количестве 1-20 мас.% от массы спекаемого порошкового материала. Обеспечивается получение однородной мелкозернистой структуры, повышение твердости и прочности в спеченном материале. 1 табл., 1 пр.

COMPOSITIONS AND METHODS FOR PARTICLE THREE-DIMENSIONAL PRINTING

Manufacturing apparatus comprising collocated reduction apparatus, processor and additive-manufacturing apparatus

A method and an apparatus for manufacturing a metallic article involve providing a non-metallic feedstock, for example in the form of an oxide of a desired metal or a mixture of oxides of the components of a desired metal alloy. A manufacturing apparatus has a reduction apparatus for electrochemically reducing the feedstock to a metallic product and a processor for converting the metallic product to a metallic powder. The powder is fed into an additive-manufacturing apparatus for fabricating the metallic article from the metallic powder. At least the reduction apparatus and the processor, and preferably also the additive-manufacturing apparatus, are collocated, or located in the same container, or in the same building, or on the same site.

Method for manufacturing material layer, method for manufacturing three-dimensional object, material-layer-forming apparatus, and additive manufacturing system

A method for manufacturing a material layer includes a first step S101 of arranging first particles P1 in a pattern on a base material 11 and a second step S102 of arranging second particles in regions in which the first particles P1 are not arranged on the base material 11. The second step S102 includes a step of rubbing bearing materials S2 that carry the second particles P2 against the base material 11 on which the first particles P1 are arranged.

Method for the obtaining cost effective powder

A production method of particulate materials, through centrifugal atomization (CA) is disclosed. The method is suitable for obtaining fine spherical powders with exceptional morphological quality and extremely low content, or even absence of non-spherical-shape particles and internal voids. A appropriate cost effective method for industrial scale production of metal, alloy, intermetallic, metal matrix composite or metal like material powders in large batches is also disclosed. The atomization technique can be extended to other than the centrifugal atomization with rotating element techniques.

Fe-based nanocrystalline alloy powder, magnetic component, and dust core

Provided is an Fe-based nanocrystalline alloy powder. The Fe-based nanocrystalline alloy powder has a chemical composition, excluding inevitable impurities, represented by a composition formula of FeaSibBcPdCueMf, where the M in the composition formula is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O, and N, 79 at %≤a≤84.5 at %, 0 at %≤b<6 at %, 0 at % Подробнее

COPPER PASTE FOR FORMING SINTERED COPPER PILLAR AND METHOD FOR PRODUCING BONDED BODY

Provided is copper paste for forming a sintered copper pillar that bonds members to each other, the copper paste contains metal particles, and an organic dispersion medium, the metal particles including copper particles, and the organic dispersion medium containing a high-boiling-point solvent having a boiling point of 280°C or higher in an amount of 50% by mass to 99% by mass on the basis of a total mass of the organic dispersion medium.

HEAT-RESISTANT POWDERED ALUMINIUM MATERIAL

The invention relates to the field of metallurgy, more particularly to heat-resistant aluminium alloys for use in additive technologies. The alloy comprises nickel, manganese, iron, zirconium, cerium, at least one element from a group consisting of: copper, magnesium and zinc, and at least one element from a group consisting of: silicon and calcium, wherein Ni > Mn + Fe, one or more eutectic phases such as Al3Ni, Al16Mn3Ni, Al9FeNi having thermal stability, and dispersoids such as Al3Zr, all of which provides for the ultimate strength of an article of at least 370 MPa. The technical result consists in providing an aluminium material to be used in the powder form, characterized by good processability during printing and enhanced strength characteristics at room temperature after printing and without a significant loss of strength after annealing.

ИЗНОСОСТОЙКИЙ СЛОЙ

Изобретение относится к порошковой металлургии, в частности к формированию износостойких покрытий на поверхности инструментов. Может использоваться для промышленных инструментов, инструментов, соприкасающихся с грунтом, и инструментов для выемки грунта и бурения, таких как бурильные долота, бурильные колонны и другие скважинные инструменты, а также для инструментов в бумагоделательной, автомобильной, стекольной промышленности. Смесь для формирования износостойкого слоя содержит 35-75 мас. % износостойких частиц первого типа и второго типа и 25-65 мас. % связующего для связывания первых и вторых износостойких частиц при формировании слоя. Распределение размеров износостойких частиц имеет первую моду для первого типа частиц и вторую моду для второго типа частиц. Количество NS первых износостойких частиц, соотносимых с первой модой, больше, чем количество NL вторых износостойких частиц, соотносимых со второй модой, причем вторая мода больше, чем первая мода. Из смеси путем нанесения на подложку ...

Способ получения изделий из гранул, выполненных из сплавов на основе никеля или из сплавов на основе титана

Изобретение относится к металлургии, в частности для области производства изделий на основе гранул никелевых и титановых сплавов, и может быть использовано в аддитивных технологиях построения изделий из порошковых материалов. Способ получения изделий из гранул, выполненных из сплавов на основе никеля или сплавов на основе титана, включает изготовление исходных заготовок распыления, центробежное диспергирование на гранулы, образующиеся при нагреве торца вращающейся исходной заготовки электродуговым плазмотроном, с охлаждением затвердевающих гранул плазмообразующим газом, сепарацию гранул от инородных включений, термическую дегазацию и засыпку гранул в капсулы с вакуумированием и герметизацией заполненных капсул, получение компакта горячим изостатическим прессованием заполненных капсул и термическую обработку компакта с нагревом на 3 градуса выше температуры сольвуса упрочняющей фазы, но ниже температуры солидуса с последующим охлаждением и одноступенчатым/многоступенчатым старением. Исходные ...

СПОСОБ ПОЛУЧЕНИЯ МЕТАЛЛИЧЕСКОГО ПОРОШКА ДЛЯ ПРОЦЕССА АДДИТИВНОГО ПРОИЗВОДСТВА И ПРИМЕНЕНИЕ ТАКОГО ПОРОШКА

Настоящее изобретение относится к порошковой металлургии, в частности к способу получения металлического порошка для аддитивного производства. Может использоваться в автомобильной, авиационной, аэрокосмической областях промышленности. Металлический порошок получают путем сканирования слоя порошка лазерным лучом инфракрасного диапазона. Обработке подвергают порошок, который имеет отражательную способность в оптической области более 70% для длины волны в диапазоне от 800 до 1500 нм. Обработку указанного порошка осуществляют с обеспечением физического и/или химического модифицирования поверхности частиц указанного порошка для снижения отражательной способности в оптической области при заданной длине волны. Частицы после обработки имеют медианный размер зерна d50 от 5 до 50 мкм. Обеспечивается облегчение плавления порошка при лазерной обработке и возможность формирования изделий из труднообрабатываемых лазером порошков. 2 н. и 12 з.п. ф-лы, 10 ил.

Способ формования и активации спекания порошковых конструкционных материалов

Изобретение относится к порошковой металлургии, в частности к способу получения шихты для прессования изделий сложной формы с тонкостенными элементами. Изделия прессуют из шихты на основе распыленного железного порошка с основной фракцией 45-160 мкм, содержащую восстановленный карбонильный порошок железа с размером частиц 0,1-8 мкм в количестве 0,1-4,9 мас.%. Обеспечивается повышение физико-механических свойств спеченного порошкового материала и прочностных характеристик тонкостенных элементов, входящих в состав сложных деталей из порошковых конструкционных сталей. 1 ил., 1 табл.

DUST CORE, METHOD FOR MANUFACTURING DUST CORE, INDUCTOR INCLUDING DUST CORE, AND ELECTRONIC/ELECTRIC DEVICE INCLUDING INDUCTOR

A dust core contains a powder of a crystalline magnetic material powder and a powder of an amorphous magnetic material. The sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 83 mass percent or more. The mass ratio of the content of the crystalline magnetic material powder to the sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 20 mass percent or less. The median diameter D50a of the amorphous magnetic material powder is greater than or equal to the median diameter D50c of the crystalline magnetic material powder. A 10% cumulative diameter D10a in a volume-based cumulative particle size distribution of the amorphous magnetic material powder is 9.5 μm or less.

SmFeN BASED RARE EARTH MAGNET AND PRODUCTION METHOD THEREOF

A method of producing a SmFeN-based rare earth magnet, the method including: heat-treating a SmFeN-based anisotropic magnetic powder having a surface coated with a phosphate at a temperature of at least 80° C. but lower than 150° C.; mixing the heat-treated SmFeN-based anisotropic magnetic powder and a Zn-containing modifier powder by dispersion using resin-coated metal media or resin-coated ceramic media to obtain a powder mixture containing the SmFeN-based anisotropic magnetic powder and the modifier powder; compacting the powder mixture in a magnetic field to obtain a magnetic field compact; and pressure-sintering the magnetic field compact to obtain a sintered compact.

СПОСОБ РЕГЕНЕРАЦИИ В ТЕРМИЧЕСКОЙ ПЛАЗМЕ ОТРАБОТАННЫХ МЕТАЛЛИЧЕСКИХ ПОРОШКОВ АДДИТИВНЫХ ТЕХНОЛОГИЙ

Изобретение относится к области получения микропорошков металлов и сплавов, которые могут быть использованы для изготовления изделий методами аддитивных технологий (АТ, 3D-печать). Способ регенерации отработанных металлических порошков аддитивных технологий в термической плазме включает классификацию отработанного порошка с выделением целевой фракции, обработку целевой фракции в потоке термической плазмы на основе аргона, гелия или их смеси, при этом полученную после классификации целевую фракция подвергают дополнительной классификации с получением как минимум двух фракций с размерами частиц, различающимися внутри каждой фракции не более чем в 2-2,5 раза, которые раздельно обрабатывают в потоке термической плазмы и затем смешивают. Технический результат состоит в снижении содержания примесей наночастиц в регенерируемых микропорошках металлов и сплавов с обеспечением получения сферической формы частиц. 1 табл., 1 пр.

Oxide dispersion-strengthened iron-based alloy powder and characterization method thereof

An oxide dispersion-strengthened (ODS) iron-based alloy powder and a characterization method thereof are provided. The alloy powder comprises a matrix and strengthening phases. The strengthening phases include at least two types of strengthening phase particles with different sizes, wherein a volume of the particles with a particle size of less than or equal to 50 nm accounts for 85-95% of a total volume of all the strengthening phase particles. The matrix is a Fe—Cr—W—Ti alloy. The characterization method of the ODS iron-based alloy powder comprises separating the strengthening phases from the powder matrix through electrolysis, and analyzing and characterizing the strengthening phases using an electron microscope.

Method and device for distributing powder material

Described is an additive manufacturing apparatus for additive manufacturing of three dimensional objects, said apparatus comprises a powder distribution unit movable across a build area for applying a layer of powder material thereon and a solidification device for selectively solidifying the applied powder layer at positions corresponding to a cross section of the object to be manufactured. Said powder distribution unit comprises at least a first and a second powder distributors essentially in parallel with each other and extending in a first direction, said first and second powder distributors are arranged to be adjustably spaced apart in a second direction transversely to said first direction which second direction is essentially in parallel with the direction of movement of said powder distribution unit over said build area.

METAL AND FUSIBLE METAL ALLOY PARTICLES AND RELATED METHODS

A method for producing metal or metal alloy particles may include: mixing a mixture comprising: (a) a metal or a metal alloy, (b) a carrier fluid, and optionally (c) an emulsion stabilizer at a temperature at or greater than a melting point of the metal or the metal alloy to create a dispersion of molten droplets of the metal or the metal alloy dispersed in the carrier fluid; cooling the mixture to below the melting point of the metal or the metal alloy to form metal or metal alloy particles; and separating the metal or metal alloy particles from the carrier fluid, wherein the metal or metal alloy particles comprise the metal or the metal alloy and the emulsion stabilizer, if included.

METHOD FOR APPLYING A PROTECTIVE COATING TO A WORKPIECE

Verfahren zum Aufbringen einer Schutzschicht (A) auf ein Werkstück (B), wobei die Schutzschicht zumindest teilweise Partikel aus einer Eisenbasislegierung und einer Nickelbasislegierung umfasst, das Verfahren umfasst die folgenden Verfahrensschritte: Bereitstellen einer Pulvermischung (PM), wobei die Pulvermischung (PM) ein erstes Pulver (P1) aus der Nickelbasislegierung und ein zweites Pulver (P2) aus der Eisenbasislegierung umfasst; Verarbeiten der Pulvermischung (PM) zu einem Einschmelzschlicker (S, St), Aufbringen des Einschmelzschlickers (S, St) auf das Werkstück (3), Erhitzen des Einschmelzschlicker (ES, ESt) auf eine Prozesstemperatur (TA) oberhalb einer Solidustemperatur (T1u) des ersten Pulvers (P1) und unterhalb einer Solidustemperatur (T2u) des zweiten Pulvers, wobei das Erhitzen insbesondere unter Umgebungsluft erfolgt, Abkühlen des Werkstücks (B) nach einer vorgegeben Einschmelzdauer.

METHOD FOR THE PREPARATION OF SILVER POWDER

Verfahren zur Herstellung von Silberpartikeln durch Umsetzung von Silbernitrat mit Ascorbinsäure, umfassend die aufeinander folgenden Schritte: (1) Vorlegen und Rühren einer auf einen pH-Wert von 8 bis 10 eingestellten wässrigen Lösung, welche 2 bis 4 Gew.-% Stärke und 1,7 bis 5,5 % der im Verfahren insgesamt eingesetzten Ascorbinsäure umfasst, (2) gleichzeitiges separates Zudosieren einer wässrigen Silbernitratlösung und einer wässrigen Ascorbinsäurelösung in die gerührte Vorlage aus Schritt (1), (3) Hydrolyse der Stärke unter Ausbildung einer wässrigen Suspension von Silberpartikeln, und (4) Abtrennen der Silberpartikel aus der wässrigen Suspension, wobei 1,7 bis 2 mol Silbernitrat pro mol Ascorbinsäure eingesetzt werden.

MANUFACTURING APPARATUS AND METHOD

Shaping method and shaping device

An object shaping method includes a step of forming a powder layer using first powder, a step of placing second powder having an average particle diameter smaller than an average particle diameter of the first powder at a part of a region of the powder layer, and a first heating step of heating the powder layer in which the second powder is placed. The average particle diameter is equal to or larger than 1 nm and equal to or smaller than 500 nm, and the first heating step performs heating the powder layer at a temperature at which particles contained in the second powder are sintered or melted.

Member connection method

This member connection method includes a printing step. In the printing step, a coating film-formed region in which the coating film is formed, and a coating film non-formed region in which the coating film is not formed are formed in the print pattern, and the coating film-formed region is divided into a plurality of concentric regions and a plurality of radial regions by means of a plurality of line-shaped regions provided so as to connect various points, which are separated apart from one another in the marginal part of the connection region.

LASER RECHARGING POWDER, ASSOCIATED MANUFACTURING METHOD AND MOULD

ADDITIVE MANUFACTURING POWDERS FOR USE IN ADDITIVE MANUFACTURING PROCESSES RESULTING IN IMPROVED STABILITY OF STEEL MELT-TRACK

SEMICONDUCTOR PACKAGE AND METHOD FOR MANUFACTURING SAME

FUNCTIONALIZED METAL POWDERS BY SMALL PARTICLES MADE BY NON-THERMAL PLASMA GLOW DISCHARGE FOR ADDITIVE MANUFACTURING APPLICATIONS

HIGH MELTING POINT METAL OR ALLOY POWDERS ATOMIZATION MANUFACTURING PROCESSES

INDIUM SOLDER PASTE COMPOSITIONS

APPARATUS FOR FORMING A PLURALITY OF COATED PARTICLES, METHOD FOR FORMING A PLURALITY OF COATED PARTICLES, COATED PARTICLES

IRON-BASED ALLOY POWDER CONTAINING NON-SPHERICAL PARTICLES

The present invention relates to an iron-based alloy powder containing non-spherical particles wherein the alloy comprises the elements Fe (iron), Cr (chrome) and Mo (molybdenum), and at least 40% of the total amount of particles have a non-spherical shape. In said iron-based alloy powder, Cr is present at 10.0 wt. % to 18.3 wt. %, Mo is present at 0.5 wt. % to 2.5 wt. %, C is present at 0 to 0.30 wt. %, Ni is present at 0 to 4.0 wt. %, Cu is present at 0 to 4.0 wt. %, Nb is present at 0 to 0.7 wt. %, Si is present at 0 to 0.7 wt. % and N is present at 0 to 0.20 wt. %, the balance up to 100 wt. % is Fe.

METHOD AND DEVICE FOR PRODUCING MATERIAL POWDER

A method for producing material powder, comprising providing material and an atomization gas charged with an atomization gas pressure by means of an atomization gas compressor to an atomization device, melting the material and pulverizing the molten material into material powder by means of charging the molten material with the atomization gas using the atomization introducing the material powder from the atomization device into a pressurized container and providing a conveyor gas charged with a conveyer gas pressure by means of a conveyer gas compressor to the pressurized container, wherein the conveyor gas pressure is higher than the atmospheric pressure and lower than the atomization gas pressure, as well as a device for carrying out the method.

Composite magnetic material and inductor using the same

A magnetic material and an inductor capable of attaining both higher magnetic permeability and improved DC superposition characteristics. A composite magnetic material contains metal magnetic particles, in which the metal magnetic particles include first particles having a median diameter D50of 1.3 μm or more and 5.0 μm or less (i.e., from 1.3 μm to 5.0 μm), and second particles having a median diameter D50larger than the first particles. The first and second particles each include a core portion made of a metal magnetic material, and an insulating film provided on a surface of the core portion. The insulating film of the second particles has an average thickness of 40 nm or more and 100 nm or less (i.e., from 40 nm to 100 nm). The insulating film of the first particles has an average thickness smaller than that of the insulating film of the second particles.

CERAMIC COMPOSITE MATERIAL

A process for manufacturing ceramic-metal composite material, comprises dissolving ceramic powder into water to obtain an aqueous solution of ceramic; mixing metal powder having a multimodal particle size where largest particle size is one fourth of the minimum dimension of a device, with the aqueous solution of ceramic to obtain a powder containing ceramic precipitated on the surface of metal particles; mixing the powder containing ceramic precipitated on the surface of the metal particles, with ceramic powder having a particle size below 50 μm, to obtain a powder mixture; adding saturated aqueous solution of ceramic to the powder mixture to obtain an aqueous composition containing ceramic and metal; compressing the aqueous composition to form a disc of ceramic-metal composite material containing ceramic and metal; and removing water from the ceramic-metal composite material; wherein ceramic content of the disc is 10 vol-% to 35 vol-%. Alternatively, ceramic-ceramic composite material ...

Nano copper paste and film for sintered die attach and similar applications

A sintering powder comprising copper particles, wherein: the particles are at least partially coated with a capping agent, and the particles exhibit a D10 of greater than or equal to 100 nm and a D90 of less than or equal to 2000 nm.

PROCESS FOR PRODUCING SPHEROIDIZED POWDER FROM FEEDSTOCK MATERIALS

METHOD FOR THE MANUFACTURE OF A FORMULATION AND FORMULATION

Method for producing molybdenum alloy targets

A method of producing a molybdenum-alloy sputtering target by pre-press forming (e.g. by cold isostatic pressing) a mixed powder with a composition for making the molybdenum alloy to obtain a preformed target blank, placing this blank in a capsule, degassing the capsule by preheating, vacuum seal welding the degassed capsule, hot isostatic pressing to obtain a densified prefabricated target, removing the capsule and heat treating the de-capsulised prefabricated target at a higher temperature and lower pressure than used for the HIP, followed by machining to obtain a finished target. The method can be used to make targets comprising (by weight) 90 % molybdenum and 10 % niobium. Hot isostatic pressing can be at a pressure in the range 130-150 MPa, a temperature in the range 1100-1200 0C for 3-4 hours and the heat treatment can be at a pressure in the range 120-130 MPa, a temperature in the range 1250-1400 0C for 1-2 hours.

METAL POWDER FOR ADDITIVE MANUFACTURING

METHOD AND INSTALLATION FOR THE PRODUCTION OF A STARTING MATERIAL FOR PRODUCING OF RARE EARTH MAGNET

Die Erfindung betrifft ein Verfahren zur Herstellung eines pulverförmigen und zur Fertigung von Seltenerd-Magneten vorgesehenen Ausgangsmaterials (AM). Das Verfahren umfasst folgende Schritte: - Zerkleinern einer mindestens ein Seltenerdmetall umfassenden Legierung, wobei aus der einen mindestens ein Seltenerdmetall umfassenden Legierung ein pulverförmiges Zwischenprodukt (ZP) entsteht und - Durchführen mindestens einer auf Partikelgröße und/oder Dichte ausgerichteten Klassierung für das pulverförmige Zwischenprodukt (ZP), wobei eine mittels der mindestens einen Klassierung gebildete Fraktion des pulverförmigen Zwischenproduktes (ZP) das zur Fertigung von Seltenerd-Magneten vorgesehene Ausgangsmaterial (AM) ausbildet. Es ist zudem wenigstens ein dynamischer Sichter vorgesehen. Ein mittels des mindestens statischen Sichters aus dem pulverförmigen Zwischenprodukt (ZP) abgetrennter Anteil dem wenigstens einen dynamischen Sichter (10) zugeführt wird, welcher wenigstens eine dynamische Sichter ...

METHOD OF MANUFACTURING BONDED FILTER MATERIALS

Method And Installation For Manufacturing A Starting Material For Producing Rare Earth Magnets

A method for producing a powdered starting material, which is provided for production of rare earth magnets, including the following steps: pulverizing an alloy, including at least one rare earth metal, wherein a powdered intermediate product is formed from the alloy including at least one rare earth metal, and carrying out at least one classification aimed at particle size and/or density for the powdered intermediate product, wherein a fraction of the powdered intermediate product, which is formed by means of the at least one classification, for fabrication of rare earth magnets. Furthermore, at least one dynamic classifier is provided, implementing at least one classification directed at particle size and/or density for the powdered intermediate product and thereby separates the fraction from the powdered intermediate product, which forms the starting material provided for manufacturing rare earth magnets.

Dust core and inductor element

A dust core includes large particles having an average particle size of 8-15 μm, medium particles having an average particle size of 1-5 μm, and small particles having an average particle size of 300-900 nm when a cross section thereof is observed. An area ratio occupied by the large particles is 50% to 90%, an area ratio occupied by the medium particles is 0% to 30%, and an area ratio occupied by the small particles is 5% to 30%, when a total area ratio occupied by the large particles, the medium particles and the small particles is 100% in the cross section. Vickers hardness (Hv) of the large particles, the medium particles and the small particles is 150-600 respectively. The small particles are alloy powder containing Fe and at least Si or N. The dust core may be included in an inductor element.

Hard particle powder for sintered body

The present invention relates to a hard particle powder for a sintered body, the powder including, in terms of mass %, 0.01≤C≤1.0, 2.5≤Si≤3.3, 0.1≤Ni≤20.0, 5.0≤Cr≤15.0, and 35.0≤Mo≤45.0, with the balance being Fe and inevitable impurities, in which the powder before performing sintering comprises an alloy phase comprising a hexagonal crystal structure of C14 type Laves phase.

METHOD FOR MAKING A CATALYST SYSTEM FOR GAS REACTIONS

MAGNETIC CORE AND MAGNETIC COMPONENT

Provided is a magnetic core containing metal magnetic particles. A total area ratio occupied by the metal magnetic particles on a cross-section of the magnetic core is 75% or more. The metal magnetic particles include first large particles having an amorphous structure and having a Heywood diameter of 3 μm or more on the cross-section of the magnetic core, and second large particles having a nanocrystal structure and having a Heywood diameter of 3 μm or more on the cross-section of the magnetic core. An insulation coating of the first large particles is thicker than an insulation coating of the second large particles.

POWDER METALLURGY METHOD FOR MAKING NICKEL OR COBALT SUPERALLOY COMPONENTS

Ceramic composite material

A process for manufacturing ceramic-metal composite material, comprises dissolving ceramic powder into water to obtain an aqueous solution of ceramic; mixing metal powder having a multimodal particle size where largest particle size is one fourth of the minimum dimension of a device, with the aqueous solution of ceramic to obtain a powder containing ceramic precipitated on the surface of metal particles; mixing the powder containing ceramic precipitated on the surface of the metal particles, with ceramic powder having a particle size below 50μιτι, to obtain a powder mixture; adding saturated aqueous solution of ceramic to the powder mixture to obtain an aqueous composition containing ceramic and metal; compressing the aqueous composition to form a disc of ceramic-metal composite material containing ceramic and metal; and removing water from the ceramic-metal composite material; wherein ceramic content of the disc is 10 vol-% to 35 vol-%. Alternatively, ceramic-ceramic composite material ...

Dust core

A dust core includes a metal magnetic material and a resin. Fine particles exist on a surface of the dust core.

Steel grit dryer

A mobile steel grit dryer used to dry steel grit may be configured with a number of different functions and features to assist a contractor in performing steel or other structure maintenance when using steel grit in resurfacing the structure. The steel grit dryer may be configured with a heat process vacuum bypass so that an off-board vacuum, such as a vacuum on a grit recycling system, may be utilized as opposed to having an onboard vacuum. The dryer may include multiple modes so that an operator may use different modes for different environmental conditions. An exoframe may provide for better durability when being transported to different jobsites. A variety of automation and safety features may also be provided to simplify and improve safety for operators.

STEEL MATERIAL IN POWDER FORM AND PROCESS FOR PRODUCING SAID STEEL MATERIAL

METHOD FOR PRODUCING A PART MADE OF AN HEA/CA ALLOY

Procédé de fabrication d'une pièce en alliage à haute entropie ou en alliage multicomposants par fabrication additive comprenant une étape au cours de laquelle une couche d'un mélange de poudres est localement fondue puis solidifiée, caractérisé en ce que le mélange de poudres comprend : - des premières particules en un alliage à haute entropie ou en un alliage multicomposants, et - des deuxièmes particules en un nitrure métallique choisi parmi un nitrure d'aluminium, un nitrure de cuivre, un nitrure de chrome, un nitrure de silicium, un nitrure de bore, un nitrure de tungstène, un nitrure de fer, un nitrure de nickel, un nitrure de manganèse ou en un de leurs mélanges.

SILVER SINTERING COMPOSITION CONTAINING COPPER ALLOY FOR METAL BONDING

Dust core

The dust core comprises a plurality of soft magnetic iron-based particles, a coating layer disposed on each of the surfaces of the soft magnetic iron-based particles, an interstitial layer disposed between the coating layers, and a nanopowder disposed between the soft magnetic iron-based particles. The coating layer is a layer of a compound comprising Fe, Si, O, B and N; and the nanopowder is a powder of a compound comprising O, N and at least one element selected from the group consisting of Fe, Si, Zr, Co, Al, Mg, Mn and Ni.

POWDER MADE OF SPHERICAL PARTICLES OF A NOBLE METAL ALLOY CONTAINING PLATINUM OR PALLADIUM, USE OF THIS POWDER IN A POWDER-BASED PRODUCTION METHOD FOR PRODUCING A THREE-DIMENSIONAL OBJECT, AND AN ADDITIVE METHOD FOR PRODUCING A THREE-DIMENSIONAL OBJECT USING THE AFOREMENTIONED POWDER

Die Erfindung betrifft ein Pulver aus sphärischen Partikeln einer Edelmetall-Legierung, welche als primäre Legierungskomponente Platin oder Palladium in einem Anteil von 95 bis 99,5 Gew.-%, vorzugsweise in einem Anteil von 95 bis 96 Gew.-% enthält. Erfindungsgemäß ist vorgesehen, dass die Legierung als sekundäre Legierungskomponente 0,5 bis 5 Gew.-%, vorzugsweise 1 bis 5 Gew.-% Gallium enthält, wobei sich die Anteile der primären und der sekundären Legierungskomponente, von üblichen Verunreinigungen und Spurenelementen sowie unter Berücksichtigung von metallurgischen Toleranzen abgesehen, zu 100 Gew.-% ergänzen, und dass das Pulver eine Partikelgrößenverteilung mit einem d10-Wert von größer gleich 5 µm und/oder einem d90-Wert von kleiner gleich 100 µm, vorzugsweise mit einem d10-Wert von größer gleich 5 µm und/oder einem d90-Wert von kleiner gleich 50 µm und weiter vorzugsweise mit einem d10-Wert von größer gleich 10 µm und/oder einem d90-Wert von kleiner gleich 45 µm besitzt.

POWDER MADE OF SPHERICAL PARTICLES OF A NOBLE METAL ALLOY CONTAINING PLATINUM OR PALLADIUM, USE OF THIS POWDER IN A POWDER-BASED PRODUCTION METHOD FOR PRODUCING A THREE-DIMENSIONAL OBJECT, AND AN ADDITIVE METHOD FOR PRODUCING A THREE-DIMENSIONAL OBJECT USING THE AFOREMENTIONED POWDER

Die Erfindung betrifft ein Pulver aus sphärischen Partikeln einer Edelmetall-Legierung, welche als primäre Legierungskomponente Platin oder Palladium in einem Anteil von 95 bis 99,5 Gew.-%, vorzugsweise in einem Anteil von 95 bis 96 Gew.-% enthält. Erfindungsgemäß ist vorgesehen, dass die Legierung als sekundäre Legierungskomponente 0,5 bis 5 Gew.-%, vorzugsweise 1 bis 5 Gew.-% Gallium enthält, wobei sich die Anteile der primären und der sekundären Legierungskomponente, von üblichen Verunreinigungen und Spurenelementen sowie unter Berücksichtigung von metallurgischen Toleranzen abgesehen, zu 100 Gew.-% ergänzen, und dass das Pulver eine Partikelgrößenverteilung mit einem d10-Wert von größer gleich 5 µm und/oder einem d90-Wert von kleiner gleich 100 µm, vorzugsweise mit einem d10-Wert von größer gleich 5 µm und/oder einem d90-Wert von kleiner gleich 50 µm und weiter vorzugsweise mit einem d10-Wert von größer gleich 10 µm und/oder einem d90-Wert von kleiner gleich 45 µm besitzt.

METAL POWDER FOR ADDITIVE MANUFACTURING

A metal powder for additive manufacturing, comprising, in wt%, Ni 9.0-12.0, Cr 2.0-4.5, Mo 3.5-4.5 and Ti 0.1-1.0; and, if present, Si up to 0.5, Mn up to 0.5, Al up to 0.1, Co up to 0.1, N up to 0.05 and/or C up to 0.07; the balance being Fe and usual impurities. Use of the metal powder for additive manufacturing. A process for producing an object by additive manufacturing, comprising building an object by iteratively melting particles of the metal powder and solidifying the melt, and subsequently aging the built object without any preceding solution annealing thereof.

METHOD OF PREPARING AN ELECTRODE FOR USE IN FORMING A HONEYCOMB EXTRUSION DIE

Methods for forming an electrode for use in forming a honeycomb extrusion die. The method includes forming, by means of an additive manufacturing process, an electrode includes a base having a web extending from the base. The web defines a matrix of cellular openings. The method further includes forming a secondary electrode having a plurality of pins. The plurality of pins are shaped and arranged so as to mate with the matrix of cellular openings defined by the web of the electrode. The method further includes machining the electrode using the secondary electrode to smooth surfaces of the electrode formed by the additive manufacturing process.

PASTE COMPOSITION, SEMICONDUCTOR DEVICE, ELECTRICAL COMPONENT AND ELECTRONIC COMPONENT

A paste composition including first copper particles, wherein the first copper particles are formed by covering copper particles serving as a base material with at least one type of compound selected from the group consisting of an amine compound (a) and a carboxylic acid amine salt (b), and a total content of the amine compound (a) and the carboxylic acid amine salt (b) detected in the paste composition is less than 1 mass % of an entire amount of the paste composition.

POWDER AND METHOD FOR THE PREPARATION OF THREE-DIMENSIONAL OBJECTS

METHOD FOR MANUFACTURING A METAL PART MADE FROM TITANIUM, BY RAPID SINTERING, AND SINTERED METAL PART MADE FROM TITANIUM

CONDUCTIVE PASTE, LAMINATE BODY, METHOD OF BONDING COPPER LAMINATE/COPPER ELECTRODE AND CONDUCTOR

An object of the present invention is to provide an electrically conductive paste having excellent bonding strength when bonded to an electronic substrate and the like, a laminated body, and a method for bonding a Cu substrate or Cu electrode to an electrical conductor. An electrically conductive paste comprising: a flake-like silver powder A having a particle size in the range of 1 µm or more and 15 µm or less and having a median diameter D50 of 2 µm or more and 5 µm or less; a silver powder B having a particle size in the range of 25 µm or more and 100 µm or less and having a median diameter D50 of 30 µm or more and 40 µm or less; a silver powder C having a particle size in the range of 10 nm or more and 190 nm or less and having a median diameter D50 of 50 nm or more and 150 nm or less; and a solvent, wherein the content of the silver powder C is more than 5.0 parts by mass and less than 90.0 parts by mass based on 100 parts by mass in total of the flake-like silver powder A, the silver ...

POWDER MIXTURES FOR ADDITIVE MANUFACTURE HAVING AN INCREASED DENSITY

The present in invention relates to powder mixtures for use in additive manufacture, which comprise three particle fractions A, B and C with different median particle sizes, wherein the median particle sizes relate to each other as 0.2 to 0.5 / 1 / 1.3 to 2. These powder mixtures have higher apparent density compared to conventional additive manufacture powders and thus allow for faster processing with les defects. The present invention further relates to methods for the preparation of respective powder mixtures, methods and devices for the preparation of three-dimensional objects from such powder mixtures and three-dimensional objects, which have been prepared accordingly, as well as the use of the powder mixtures for reducing the amount of defects in additive manufacturing processes.

Polymer emulsion as binder for conductive composition

Provided herein are metal conductive compositions with improved conductivity. The improved conductivity is attributable to the addition of a sintering agent and a polymer emulsion.

FE-BASED NANOCRYSTALLINE ALLOY POWDER, MAGNETIC COMPONENT, AND DUST CORE

SINTERING POWDER

A sintering powder comprising: a particulate having a mean longest diameter of less than 10 microns, wherein at least some of the particles forming the particulate comprise a metal at least partially coated with a capping agent. A sintering paste and sintering film comprising the sintering powder. A method for making a sintered joint by sintering the sintering powder, paste, or film in the vicinity of two or more workpieces. 128-. (canceled)29. A sintering film comprising a sintering powder and a binder , wherein the sintering powder comprises:a particulate comprising heterogeneous particles having a mean longest diameter of less than 10 microns, wherein at least some of the particles forming the particulate comprise a metal at least partially coated with a capping agent,wherein the particulate comprises a first type of particles having a longest diameter of from 1 to 100 nm and a second type of particles having a longest diameter of from greater than 100 nm to 50 microns, andwherein the particulate comprises from 81 to 99 wt % of the first type of particles and from 1 to 19 wt % of the second type of particles.30. The sintering film of wherein the capping agent comprises an amine and/or a carboxylate functional group.31. The sintering film of wherein the capping agent comprises a straight chain or branched chain aliphatic amine.32. The sintering film of wherein the metal comprises one or more metals selected from silver claim 30 , copper claim 30 , nickel claim 30 , molybdenum claim 30 , tungsten claim 30 , and alloys and mixtures thereof.33. The sintering film of comprising from 0.1 to 3 wt % capping agent.34. The sintering film of claim 29 , wherein the first type of particles have a diameter of from 5 to 75 nm and/or the second type of particles have a diameter of from greater than 100 nm to 20 microns.35. The sintering film of claim 33 , wherein the particulate has a mean longest diameter of from 1 to 100 nm.36. The sintering film of claim 33 , wherein the ...

FE-BASED NANOCRYSTALLINE ALLOY POWDER, MAGNETIC COMPONENT, AND DUST CORE

Provided is a Fe-based nanocrystalline alloy powder that can produce a dust core having excellent magnetic properties (low core loss and high saturation magnetic flux density). The Fe-based nanocrystalline alloy powder has a chemical composition, excluding inevitable impurities, represented by a composition formula of FeaSibBcPdCueMf, where the M in the composition formula is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O, and N, 79 at% ≤ a ≤ 84.5 at%, 0 at% ≤ b < 6 at%, 0 at% < c ≤ 10 at%, 4 at% < d ≤ 11 at%, 0.2 at% ≤ e ≤ 0.53 at%, 0 at% ≤ f ≤ 4 at%, a + b + c + d + e + f = 100 at%, a degree of crystallinity of more than 10 % by volume, and an Fe crystallite diameter of 50 nm or less.

COPPER PASTE FOR JOINING, METHOD FOR MANUFACTURING JOINED BODY, AND JOINED BODY

A copper paste for joining contains copper particles, a polycarboxylic acid having a melting point of 120°C or lower, and a dispersion medium. A method for manufacturing a joined body includes a first step of preparing a laminate in which a first member, a copper paste for joining, and a second member are laminated in this order, and a second step of heating the laminate under a gas atmosphere having a hydrogen concentration of 45% or less to sinter the copper paste for joining. Ajoined body includes a first member, a second member, and a sintered body of a copper paste for joining that joins the first member and the second member.

MULTILAYERED METAL NANOPARTICLES

DENSITY ENHANCEMENT METHODS AND COMPOSITIONS

The present invention relates to granular composite density enhancement, and related methods and compositions. The applications where these properties are valuable include but are not limited to: 1) additive manufacturing (“3D printing”) involving metallic, ceramic, cermet, polymer, plastic, or other dry or solvent-suspended powders or gels, 2) concrete materials, 3) solid propellant materials, 4) cermet materials, 5) granular armors, 6) glass-metal and glass-plastic mixtures, and 7) ceramics comprising (or manufactured using) granular composites.

Soft magnetic alloy powder, dust core, and coil component

A soft magnetic alloy powder contains soft magnetic alloy particles. The soft magnetic alloy particles contain Fe and Si. The soft magnetic alloy particles each include crystal grains and crystal grain boundary between the crystal grains. At least one of the crystal grains has a Si segregation part.

PRECIOUS METAL BASED POWDER AND ITS USE IN THE PREPARATION OF COMPONENTS

MEMBER CONNECTION METHOD BY MEANS OF A COPPER SINTERED FILM WITH A PLURALITY OF RADIALLY ARRANGED REGIONS AND A PLURALITY OF CONCENTRICALLY ARRANGED REGIONS

A member connection method for connecting a first member and a second member by means of a copper sintered compact includes: a printing step of forming a coating film (8) of a copper paste for connection in a connection region (5) of respective members (2) and (3) into a predetermined print pattern (9); a lamination step of laminating the respective members (2) and (3) with the coating film (8) interposed therebetween; and a sintering step of sintering the coating film (8) to form a copper sintered compact (4) and connecting the respective members (2) and (3) by means of this copper sintered compact (4), in which in the printing step, a coating film-formed region (10) in which the coating film (8) is formed and a coating film non-formed region (20) in which the coating film (8) is not formed are formed in the print pattern (9), and the coating film-formed region (10) is divided into a plurality of radial regions (12a) to (12c) and a plurality of concentric regions (13a) and (13b) by means ...

THREE-DIMENSIONAL PRINTING KITS

ELECTRICALLY CONDUCTIVE PASTE AND SINTERED BODY

An object of the present invention is to provide an electrically conductive paste and a sintered body thereof having a low electric resistance value and excellent electrical conductivity when made into a sintered body. An electrically conductive paste comprising: a flake-like silver powder having a median diameter D50 of 15 µm or less; a silver powder having a median diameter D50 of 25 µm or more; and a solvent, wherein the content of the flake-like silver powder is 15 to 70 parts by mass and the content of the silver powder having a median diameter D50 of 25 µm or more is 30 to 85 parts by mass based on 100 parts by mass in total of the flake-like silver powder and the silver powder having a median diameter D50 of 25 µm or more.

POWDER RAPID PROTOTYPING MANUFACTURING

UV pattern forming method using inkjet printing, bezel manufacturing method including same, and bezel manufactured according thereto

A method for forming a UV pattern using inkjet printing, which enables to form a hairline or pattern having metallic luster in a single inkjet patterning process, a method for manufacturing a bezel comprising the same, and a bezel manufactured thereby are disclosed. The method for forming a UV pattern using inkjet printing comprises the steps of a) inkjet printing an ultraviolet curable ink containing metal particles in a non-display area of a cover window for a display to form a UV pattern; and b) curing the UV pattern. The bezel can be used in various fields such as a touch panel, a protective film for an optical disc, and the like.

SUB-MICRON PARTICLES OF RARE EARTH AND TRANSITION METALS AND ALLOYS, INCLUDING RARE EARTH MAGNET MATERIALS

The present disclosure is directed to methods of preparing substantially spherical metallic alloyed particles, having micron and sub-micron (i.e., nanometer)-scaled dimensions, and the powders so prepared, as well as articles derived from these powders. In particular embodiments, these metallic alloyed particles, complising rare earth metals, can be prepared in sizes as small 80 nm in diameter with size variances as low as 2-5%.

Solder material with two different size nickel particles

A solder material may include nickel and tin. The nickel may include first and second amounts of particles. A sum of the particle amounts is a total amount of nickel or less. The first amount is between 5 at % and 60 at % of the total amount of nickel. The second amount is between 10 at % and 95 at % of the total amount of nickel. The particles of the first amount have a first size distribution, the particles of the second amount have a second size distribution, 30% to 70% of the first amount have a particle size in a range of about 5 μm around a particle size the highest number of particles have according to the first size distribution, and 30% to 70% of the second amount have a particle size in a range of about 5 μm around a particle size the highest number of particles have according to the second size distribution.

FE-BASED NANOCRYSTALLINE ALLOY POWDER AND METHOD FOR PRODUCING A MAGNETIC CORE

METHOD FOR PRODUCING A CAST IRON PART WITH INCREASED CORROSION RESISTANCE AND/OR WEAR RESISTANCE, AND THE CAST IRON PART OBTAINED BY SAID METHOD

A method for producing a cast iron part comprising: a) obtaining a reactive paint comprising at least one first metallic material and at least one binder; b) applying the reactive paint to a sand mould; c) drying the sand mould at least partially coated with reactive paint; d) casting a cast iron melt to obtain a cast iron part comprising at least one surface portion modified with the first metallic material; e) conditioning the cast iron part; and f) depositing at least one layer of a second metallic material on at least one of the surface portions modified with the first metallic material by laser directed energy deposition (L-DED), wherein said second metallic material is an anti-corrosion material and/or an anti-wearing material. A cast iron part obtained by said method.

System and Method for Powder Manufacturing

A powder production method includes providing an elongated workpiece and repeatedly contacting an outer surface of the elongated workpiece with a reciprocating cutter according to a predetermined at least one frequency to produce a powder. The powder includes a plurality of particles, wherein at least 95% of the produced particles have a diameter or maximum dimension ranging from about 10 μm to about 200 μm. A system for producing powders having a plurality of particles including a cutter and at least one controller is also provided herein.

METHOD OF MAKING A POWDER FOR ADDITIVE MANUFACTURING

The present invention relates to a method of making a ready-to-print cermet or cemented carbide powder comprising sintered granules comprising sintering the granules in a carburizing atmosphere. Due to the carburizing atmosphere, the granules will have less binder phase on the surface and will not sinter together and will be easy to deagglomerate and the granules will maintain its spherical shape. The present invention also relates to a powder made according to said process as well as the use of the powder in a additive manufacturing process.

ANTIMICROBIAL BIOCOMPATIBLE METAL ALLOY AND MANUFACTURE OF THE SAME

To provide Ti—Cu alloy formulations and additive manufacturing process configurations for fabrication of a bulk metallic glass (BMG) product that is biocompatible and antimicrobial, compositions of Ti-based metal alloy powder, comprising: Ti; Cu within a range of 5-30 atomic percent; transition metal within a range of 0-50 atomic percent, wherein such transition metal is one or a plurality of Zr, Nb, Ta, Pd, and Co, are disclosed. Moreover, additive manufacturing processes disclosed herein are capable of fabricating a bulk metallic glass of one or a combination of following phasic structures: fully amorphous microstructure; amorphous beta titanium phase; amorphous copper phase; and amorphous (Ti,M)Cu phase. The resulting biocompatible metal alloy product may be a medical device, particularly but not limited to a medical implant. 110.-. (canceled)11. A Ti-based metal alloy powder for fabrication of biocompatible bulk metallic glass , comprising:Ti;Cu within a range of 5-30 atomic percent; andtransition metal within a range of 0-50 atomic percent, wherein such transition metal is one or a plurality of Zr, Nb, Ta, Pd, and Co.12. The metal alloy powder of claim 11 , having a relationship of Ti claim 11 , Zr claim 11 , and Cu represented as (TiZr)Cu claim 11 , whereinx is within a range of 0-0.15 atomic percent; andy is within a range of 10-30 atomic percent.13. The metal alloy powder of claim 11 , having a relationship of Ti claim 11 , Zr claim 11 , Pd claim 11 , Cu claim 11 , Co and Ta represented as TiZrPdCuCoTa claim 11 , wherein x is within a range of 0-8 atomic percent.14. The metal alloy powder of claim 11 , having a relationship of Ti claim 11 , Cu claim 11 , Zr and the other transition metals represented as TiCuZrQ claim 11 , whereinQ is one or a plurality of Nb, Ta, Pd, and Co;x is within a range of 60-70 atomic percent;y is within a range of 15-20 atomic percent;z is within a range of 5-10 atomic percent; anda is within a range of 0-10 atomic percent.15. The ...

MAGNETIC CORE AND MAGNETIC DEVICE

A magnetic core includes metal magnetic particles. A total area percentage of the metal magnetic particles in a cross section of the magnetic core is 75% or more and 90% or less. The metal magnetic particles include first particles whose Haywood diameters in the cross section of the magnetic core are 3 μm or more and second particles whose Haywood diameters in the cross section of the magnetic core are less than 3 μm. The second particles include two or more types of small particles with different compositions of films existing on their particle surfaces.

Powder mixture for powder metallurgy and method for producing powder mixture for powder metallurgy

Provided is a powder mixture for powder metallurgy that has excellent fluidity, can be ejected from a green compacting die with little force, and can suppress die galling in forming. The powder mixture comprises: a raw material powder; a copper powder; a binder; a graphite powder; and carbon black. The raw material powder contains an iron-based powder in an amount of 90 mass % or more with respect to the raw material powder. An average particle size of the graphite powder is less than 5 μm. Additive amounts of the binder, the graphite powder, the copper powder, and the carbon black are in specific ranges. A surface of the raw material powder is coated with at least part of the binder. A surface of the binder is coated with at least part of the graphite powder, at least part of the copper powder, and at least part of the carbon black.

Powder comprising coated hard material particles

The present invention relates to a method for producing hard materials that are coated with a cobalt hydroxide compound and to powders that comprise the coated hard material particles, and the use thereof.

Material sets

The present disclosure is drawn to a material set including a powder bed material and a binder fluid. The powder bed material can be from 80 wt % to 100 wt % metal particles having a metal core and a thin metal layer on the core, and the metal particles having a D50 particle size distribution value ranging from 4 μm to 150 μm and the thin metal layer having an average thickness from 20 nm to 2 μm. The binder fluid can adhere a first portion of the powder bed material relative to a second portion of the powder bed material not in contact with the binder fluid.

HDH (HYDRIDE-DEHYDRIDE) PROCESS FOR FABRICATION OF BRAZE ALLOY POWDERS

A method for preparing powders of hard alloys, such as Ti and Ti—Zr alloys, using a hydride-dehydride process, and powders produced by the process, are disclosed. The method can be used to manufacture brazing powders. The method is less hazardous and more cost effective than current methods, such as gas atomization, of preparing such braze materials.

A STEEL POWDER AND A METHOD OF PRODUCING SUCH A POWDER

A steel powder, comprising, in wt.%, C 0.05-2.0, Mn 14.0-30.0, Al 5.0-10.0, Cr 3.0-10.0, Si 0.1-2.0, Ti 0.05-0.5, and, as optionals, Ni 0.0-0.2, N 0.0-1.0, O 0.0-0.50, and balance Fe and unavoidable impurities.

Dust core, method for manufacturing dust core, inductor including dust core, and electronic/electric device including inductor

A dust core contains a powder of a crystalline magnetic material powder and a powder of an amorphous magnetic material. The sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 83 mass percent or more. The mass ratio of the content of the crystalline magnetic material powder to the sum of the content of the crystalline magnetic material powder and the content of the amorphous magnetic material powder is 20 mass percent or less. The median diameter D50 of the amorphous magnetic material powder is greater than or equal to the median diameter D50 of the crystalline magnetic material powder.

Porous materials via freeze-casting of metal salt solutions

Disclosed here is a method for making a nanoporous material, comprising aerosolizing a solution comprising at least one metal salt and at least one solvent to obtain an aerosol, freezing the aerosol to obtain a frozen aerosol, and drying the frozen aerosol to obtain a nanoporous metal compound material. Further, the nanoporous metal compound material can be reduced to obtain a nanoporous metal material.

METAL POWDER FOR 3D-PRINTING

A three-dimensional article is obtained by a process which includes providing a metal powder, and using the metal powder to build up the three-dimensional article layer by layer. The metal powder is a metal which is selected from the group of tantalum and impurities, titanium and impurities, niobium and impurities, an alloy of tantalum, niobium and impurities, an alloy of titanium, niobium and impurities, and an alloy of tantalum, titanium, niobium and impurities. Particles of the metal powder have a dendritic microstructure. Particles of the metal powder have an average aspect ratio TA of from 0.7 to 1, where ΨA=xFeret min/xFeret max.

PROCESS FOR MANUFACTURING A TITANIUM NIOBIUM ZIRCONIUM (TNZ) BETA-ALLOY WITH A VERY LOW MODULUS OF ELASTICITY FOR BIOMEDICAL APPLICATIONS AND METHOD FOR PRODUCING SAME BY ADDITIVE MANUFACTURING

Electroconductive bonding material, method for bonding conductor, and method for manufacturing semiconductor device

An electro-conductive bonding material includes: metal components of a high-melting-point metal particle that have a first melting point or higher; a middle-melting-point metal particle that has a second melting point which is first temperature or higher, and second temperature or lower, the second temperature is lower than the first melting point and higher than the first temperature; and a low-melting-point metal particle that has a third melting point or lower, the third melting point is lower than the first temperature.

Metal powder, ultraviolet ray curable ink jet composition and recorded object

The invention provides metal powder constituted from metal particles. Each of the metal particles comprises a base particle having a surface and a metal material constituting at least the surface of the base particle. The base particle is subjected to a surface treatment with a fluorine type phosphoric acid ester. Further, the invention also provides an ultraviolet ray curable ink jet composition to be ejected by using an ink jet method. The ultraviolet ray curable ink jet composition comprises a polymerizable compound and metal powder constituted from metal particles. The metal particles of the metal powder are subjected to a surface treatment with a fluorine type phosphoric acid ester.

Metal powder production method, metal powder produced thereby, conductive paste and multilayer ceramic electronic component

Fine, highly-crystallized metal powder is produced at low cost and high efficiency by a method involving: ejecting raw material powder composed of one or more kinds of thermally decomposable metal compound powders into a reaction vessel through a nozzle together with a carrier gas and producing a metal powder by heating the raw material powder at a temperature T 2 which is higher than the decomposition temperature of the raw material powder and not lower than (Tm−200)° C. where Tm is the melting point (° C.) of the metal to be produced, while allowing the raw material powder to pass through the reaction vessel in a state where the raw material powder is dispersed in a gas phase at a concentration of 10 g/liter or less, wherein an ambient temperature T 1 of a nozzle opening part is set to a temperature of 400° C. or higher and lower than (Tm−200)° C.

Method for Manufacturing Resonance Tube, Resonance Tube, and Filter

A method for manufacturing a resonance tube includes: mixing powder materials, to form homogeneous powder particles, where the powder materials comprise iron powder with a weight proportion of 50% to 90%, at least one of copper powder and steel powder with a weight proportion of 1% to 30%, and an auxiliary material with a weight proportion of 1% to 20%; pressing and molding the powder particles, to form a resonance tube roughcast; sintering the resonance tube roughcast in a protective atmosphere, to form a resonance tube semi-finished product; and electroplating the resonance tube semi-finished product, to form the resonance tube. In the method, the resonance tube, and the filter according to embodiments of the present invention, the resonance tube is manufactured by using multiple powder materials.

Composite material for the making of decorative items and procedure for the making of a decorative item

Composite material for the making of decorative items which contains at least a polymeric component and at least a metallic powder dispersed in the polymeric component in an amount in weight between 2% and 95%. The metallic powder includes plate-like particles with a nanometric thickness of between 5 and 300 nm and a preferential growth in a two-dimensional surface with at least a dimension of between 0.6 and 100 μm. A procedure for the making of an ornamental article includes at least a phase for preparing at least a base component of a silicone resin; at least a phase for preparing the metallic powder; at least an initial phase for mixing the metallic powder with the silicone resin base component to obtain an even mixture; and at least an initial phase for reticulating the base component in the even mixture with the metallic powder distributed in a homogeneous way.

Metal powder atomization manufacturing processes

There are provided reactive metal powder atomization manufacturing processes. For example, such processes include providing a heated metal source and contact the heated metal source with at least one additive gas while carrying out the atomization process. Such processes provide raw reactive metal powder having improved flowability. The at least one additive gas can be mixed together with an atomization gas to obtain an atomization mixture, and the heated metal source can be contacted with the atomization mixture while carrying out the atomization process. Reactive metal powder spheroidization manufacturing processes are also provided.

Aluminum alloy products, and methods of making the same

The present disclosure relates to new metal powders for use in additive manufacturing, and aluminum alloy products made from such metal powders via additive manufacturing. The composition(s) and/or physical properties of the metal powders may be tailored. In turn, additive manufacturing may be used to produce a tailored aluminum alloy product.

Preparation Process of an Aluminum-chromium Alloy Cylinder Liner

The invention relates to an aluminum complex alloy cylinder liner preparation process. The raw materials can be vacuum dried and put into a high-speed rolling ball mill for 20-80 hours, before being ground and sieved at 200 mesh. The sieved material can then be mixed with purified water in a stirring mill and stir for 1-4 hours, while a 0.5-2 wt % dispersant and binder are added, to produce a solid content that is a stable slurry of 60-70 wt %. The stable slurry can be dried and granulated into an average particle size of 100-200 mesh. The granulated powder can then be cold isostatic pressed in a mold to form a tube-shaped alloy blank, wherein the molding pressure is 130-250 MPa, and the holding time is 1-10 minutes, high temperature vacuum sintering of the alloy blank, sintering temperature 1500-1600 degrees, heat preservation 3-6 hours, and vacuum degree controlled at −0.098 MPa.

Powder for Mold

Provided is a powder for metal molds that is less likely to cause solidification cracking even in a process involving rapid melt-quenching solidification. The powder for metal molds is made of an alloy. The alloy includes C: 0.25 mass % to 0.45 mass %, Si: 0.01 mass % to 1.20 mass %, Mn: more than 0 mass % to 1.50 mass %, Cr: 2.0 mass % to 5.5 mass %, and V: 0.2 mass % to 2.1 mass %. The alloy further includes at least one of Mo: more than 0 mass % to 3.0 mass %, W: more than 0 mass % to 9.5 mass %, and Co: more than 0 mass % to 4.5 mass %. The balance of the alloy is Fe and incidental impurities. The alloy satisfies the expression: (Mn %) 3 /S %>6.7. The total content of P, S and B in the alloy is 0.020 mass % or less.

Method for Manufacturing Metal Powder

A method for manufacturing metal powder comprising: providing a basic metal salt solution; contacting the basic metal salt solution with a reducing agent to precipitate metal powder therefrom; and recovering precipitated metal powder from the solvent.

Silver-Bismuth Powder,Conductive Paste and Conductive Film

To provide a silver-bismuth powder, which includes: silver; and bismuth, wherein a mass ratio (silver:bismuth) of the silver to the bismuth is 95:5 to 40:60, wherein a cumulative 50% point of particle diameter (D50) of the silver-bismuth powder in a volume-based particle size distribution thereof as measured by a laser diffraction particle size distribution analysis is 0.1 μm to 10 μm, and wherein an oxygen content of the silver-bismuth powder is 5.5% by mass or less.

Methods and devices for 3d printing

The present disclosure provides systems and methods for the formation of three-dimensional objects. A method for forming a three-dimensional object may comprise alternately and sequentially applying a stream comprising a binding substance to an area of a layer of powder material in a powder bed, and generating at least one perimeter of the three-dimensional object in the area. The stream may be applied in accordance with a model design of the three-dimensional object. The at least one perimeter may generated in accordance with the model design.

Resonance Tube, Method for Manufacturing Resonance Tube, and Cavity Filter

A resonance tube, a method for manufacturing a resonance tube, and a cavity filter, which relate to the field of communications devices and can provide a temperature compensation effect of different degrees, reduce a production cost, and improve production efficiency. The resonance tube is manufactured using powder materials, and the powder materials include at least one of carbonyl iron powder and iron powder and at least one of carbonyl nickel powder and nickel powder, a mass percentage of the at least one of carbonyl iron powder and iron powder in the powder materials is 58-70%, and a mass percentage of the at least one of carbonyl nickel powder and nickel powder in the powder materials is 30-42%. The present invention may be used on a communications device, for example, a base station.

Metal particle aggregates, method for producing same, paste-like metal particle aggregate composition, and method for producing bonded body using said paste-like metal particle aggregate composition

A metal particle aggregate includes metal particles and an organic substance. The metal particles include first particles that contain one or both of silver and copper in an amount of 70% by mass or more relative to 100% by mass of all metals and have a particle diameter of 100 nm or more and less than 500 nm at a ratio of 20 to 30% by number, and include second particles that have a particle diameter of 50 nm or more and less than 100 nm, and third particles that have a particle diameter of less than 50 nm at a ratio of 80 to 70% by number in total. Surfaces of the first to third particles are covered with the same protective film.

Material comprising a semi-heusler alloy and process for producing such a material

A material includes at least two different alloy phases. At least two alloy phases are each formed by at least one thermodynamically stable semi-Heusler alloy. The semi-Heusler alloys of the at least two alloy phases are different from one another. At least two of the semi-Heusler alloys have at least partly sintered particles that have an average particle size D 50 in the range of less than or equal to 100 nm. Such a material has particularly good thermoelectric properties. A process is implemented to produce the material.

Method for preparing ferrite/reducing metal composite particles and method for preparing high temperature resistant stealth coating based on 3d laser printing

The present invention relates to a method for preparing ferrite/reducing metal composite particles and a method for preparing a high temperature resistant stealth coating based on 3D laser printing, belonging to the technical field of preparation of absorbing coatings. The present invention aims to solve the problems that an existing high-temperature absorbing coating has insufficient coating/matrix bonding force, the microstructure of the coating is difficult to control, and electromagnetic properties cannot be ensured. In the present invention, nano ferrite powder and nano reducing metal powder are prepared into composite particles by a mixing granulation process. In a sealed preparation chamber of a 3D printing device, composite particles are subjected to laser-induced in-situ reaction on the surface of a substrate to prepare a high temperature resistant stealth coating. The present invention is applied to high temperature resistance and stealth of components and prevention and control of electromagnetic pollution.

Method for manufacturing photo-sintering particle, method for manufacturing photo-sintering target, and photo-sintering method

Provided is a method for manufacturing photonic sintering particles. According to an embodiment, the method includes: preparing nano particles; and forming oxide films having different thicknesses with reference to the thermal conductivity of a substrate, on which the nano particles are to be formed, on surfaces of the nano particles.

Silver paste

The present invention provides a silver paste containing at least a silver powder, a binder resin, and an organic solvent, wherein the silver powder contains a first silver powder having a D50 of 3.50 to 7.50 μm and a second silver powder having a D50 of 0.80 to 2.00 μm, where D50 represents a 50% value of a volume-based cumulative fraction obtained by laser diffraction particle size distribution measurement; a copper content of the whole silver powder is 10 to 5000 ppm by mass; a copper content of the second silver powder is 80 ppm by mass or more; and the first silver powder contains substantially no copper. The present invention provides a silver paste containing a powder in a high concentration and excellent in printability, and provides a silver conductor film that has a high filling factor, a high film density, high electrical conductivity, and excellent migration resistance.

Mixed magnetic powders and the electronic device using the same

Mixed magnetic powders for making a magnetic core or body is disclosed, wherein the mixed magnetic powders comprises: a first magnetic powder; a second magnetic powder, wherein the first magnetic powder and the second magnetic powder are made of a same soft magnetic material, wherein the ratio of the D50 of the first magnetic powder to the D50 of the second magnetic powder is in the range of 5 to 12, wherein the first magnetic powder weighs 50 to 90 percent of the total weight of the first magnetic powder and the second magnetic powder; and the second magnetic powder weighs 10 to 50 percent of the total weight of the first magnetic powder and the second magnetic powder.

High nitrogen steel powder and methods of making the same

Provided are methods and devices for forming high nitrogen steel. The processes include heating a steel precursor to a temperature that transforms the steel into an austenite of FCC wherein the heating is in a nitrogen containing atmosphere. After an optional nitrogen uptake time, the precursor is further heated to a temperature above the TγN of the steel yet below the melting point of the steel thereby preserving a solid and creating a solid solution of nitrogen. The second temperature is optionally maintained for a nitride conversion time, optionally wherein the nitride conversion time is too short to result in sintering of the steel. The process further includes rapid quenching of the precursor powder to maintain the nitrogen solid solution and prevent nitride formation thereby forming a high nitrogen steel with little to no nitride content and including nitrogen in solid solution.

PLASMA ATOMIZATION METAL POWDER MANUFACTURING PROCESSES AND SYSTEMS THEREOF

A plasma atomization metal powder manufacturing process includes providing a heated metal source and contacting the heated metal source with the plasma of at least one plasma source under conditions effective for causing atomization of the heated metal source. The atomization may be carried out using a gas to metal ratio of less than about 20, thereby obtaining a raw metal powder having a 0-106 μm particle size distribution yield of at least 80%. The process may further include aligning the heated metal source with the plasma of at least one plasma source. An atomizing system may include an alignment system positioned upstream of the plasma source and adapted to adjust an orientation of the metal source relative to the at least one plasma source.

Multilayered Metal Nano and Micron Particles

A sintering powder, wherein a least a portion of the particles making up the sintering powder comprise: a core comprising a first material; and a shell at least partially coating the core, the shell comprising a second material having a lower oxidation potential than the first material.

Powder material

A powder material for additive manufacturing providing an improved microstructure and shape of a product including particles, wherein at most 25 wt.-% of the particles provide a particle size differing more than 20% from the D50 based on the value of the D50. A method of additive manufacturing includes the step of manufacturing a product from this powder material or repairing a product utilizing this powder material.

High temperature component and method for producing same

A method for producing a high temperature component includes a shaping step of shaping a powder compact of a desired high temperature component shape using a specific powder shaping method, from an alloy powder of γ′ precipitation strengthening-type Ni-based alloy, and a crystal grain coarsening step of coarsening a crystal grain size of the powder compact by heat treatment, wherein the powder compact contains 0.002% or more and 0.07% or less of C, and 5.40% or more and 8.40% or less of Al+Ti by mass percentage.

THREE-DIMENSIONAL PRINTING WITH GLYCIDYL COMPOUNDS

The present disclosure describes binder agents for printing three-dimensional green body objects, three-dimensional printing kits, and methods of three-dimensional printing. In one example, a binder agent for printing a three-dimensional green body object can include water, an organic co-solvent, a glycidyl compound having two or more glycidyl groups per molecule, and latex particles. The latex particles can include polymerized monomers. The polymerized monomers can include a first monomer having an acid group, and a second monomer having a vinyl group and without an acid group. 1. A binder agent for printing a three-dimensional green body object comprising:water;an organic co-solvent;a glycidyl compound having two or more glycidyl groups per molecule; and a first monomer having an acid group, and', 'a second monomer having a vinyl group and without an acid group., 'latex particles comprising polymerized monomers, wherein the polymerized monomers include2. The binder agent of claim 1 , wherein the glycidyl compound has a molecular weight from about 100 g/mol to about 1 claim 1 ,000 g/mol.3. The binder agent of claim 1 , wherein the glycidyl compound is glycerol diglycidyl ether claim 1 , neopentyl glycol diglycidyl claim 1 , trimethylolpropane triglycidyl ether claim 1 , polyethylene glycidyl ether claim 1 , glycidyl triglycerol ether claim 1 , 1 claim 1 ,4-butanediol diglycidyl ether claim 1 , or a combination thereof.4. The binder agent of claim 1 , wherein the glycidyl compound is present in an amount from about 0.1 wt % to about 25 wt % with respect to the total weight of the binder agent.5. The binder agent of claim 1 , wherein the first monomer comprises acrylic acid claim 1 , methacrylic acid claim 1 , itaconic acid claim 1 , carboxyethyl acrylate claim 1 , carboxyethyl methacrylate claim 1 , carboxypropyl acrylate claim 1 , carboxypropyl methacrylate claim 1 , or a combination thereof claim 1 , and the second monomer comprises C1-C20 linear or branched alkyl ...

THREE-DIMENSIONAL PRINTING WITH GAS-ATOMIZED STAINLESS STEEL PARTICLES

A three-dimensional printing kit can include a binding agent and a particulate build material. The binding agent can include a binder in a liquid vehicle. The particulate build material can include from about 80 wt % to 100 wt % gas-atomized stainless steel particles. The gas-atomized stainless steel particles can include from about 3 wt % to about 15 wt % nickel and from about 10 wt % to about 20 wt % chromium and can have an average oxygen content of from about 1200 ppm to about 2200 ppm by weight. 1. A three-dimensional printing kit comprising:a binding agent including a binder in a liquid vehicle; anda particulate build material including from about 80 wt % to 100 wt % gas-atomized stainless steel particles, wherein the gas-atomized stainless steel particles include from about 3 wt % to about 15 wt % nickel and from about 10 wt % to about 20 wt % chromium and wherein an average oxygen content of the gas-atomized stainless steel particles is from about 1200 ppm to about 2200 ppm by weight.2. The three-dimensional printing kit of claim 1 , wherein the binder is a latex binder and the binding agent includes from about 2 wt % to about 30 wt % latex particles.3. The three-dimensional printing kit of claim 1 , wherein the gas-atomized stainless steel particles have a D50 particle size ranging from about 5 μm to about 20 μm.4. The three-dimensional printing kit of claim 1 , wherein the gas-atomized stainless steel particles have a D90 particle size from about 10 μm to about 30 μm.5. The three-dimensional printing kit of claim 1 , wherein the average oxygen content of the gas-atomized stainless steel particles ranges from about 1400 ppm to about 1800 ppm by weight.6. The three-dimensional printing kit of claim 1 , wherein the gas-atomized stainless steel particles include an average carbon content from about 50 ppm to about 1200 ppm by weight.7. The three-dimensional printing kit of claim 1 , wherein the gas-atomized stainless steel particles include from about 10 wt % ...

POWDER AND METHOD FOR THE PREPARATION OF THREE-DIMENSIONAL OBJECTS

The present invention relates to a powder for the preparation of three-dimensional objects comprising, or consisting of, supraparticles () comprising at least a first population of first primary particles, wherein the first primary particles are thermo-plastic polymeric particles, wherein the first primary particles have a volume-averaged median particle diameter of from 10 to 2000 nm; wherein the primary particles are agglomerated and/or partially sintered together to form the supraparticles, and/or wherein the supra-particles have a volume-averaged median particle diameter of from 2.5 to 100 pm. The invention also relates to a method for preparing in a powder for the preparation of three-dimensional objects comprising a1) providing an at least first population of first primary particles in a first dispersion medium, thereby forming a first dispersion (); and/or a2) providing an at least second population of second primary particles in a second dispersion medium, thereby forming a second dispersion (); and/or a3) mixing the first dispersion and the second dispersion, thereby forming a mixture () of the first and second dispersion; and b) atomizing () the first, second or mixture of the first and second dispersion thereby forming droplets of the first, second or mixture of the first and second dispersion; and c) removing all dispersion media, preferably evaporating all dispersion media by spray drying (), thereby obtaining supraparticles (). 2. The powder for the preparation of three-dimensional objects according to claim 1 , wherein the supraparticles compriseat least a second population of second primary particles, whereby the second primary particles are selected from the group of thermoplastic organic particles, duroplastic organic metal particles, metal oxide particles, transition metal oxide particles, metal salt particles, ceramic particles, silicate particles, silica-based particles, zeolites, glass particles, metal organic frameworks, carbonaceous particles ...

Nano copper paste and film for sintered die attach and similar applications

A sintering powder comprising copper particles, wherein: the particles are at least partially coated with a capping agent, and the particles exhibit a D10 of greater than or equal to 100 nm and a D90 of less than or equal to 2000 nm.

Light metal joining method and joint filler for same

A light metal joint filler is provided. The light metal joint filler is formed by uniformly mixing a solvent with a light metal powder and a silver powder, where a powder particle size of the light metal powder is on a micron scale, and a powder particle size of the silver powder is on a nanometer scale or a submicron scale. A metal joining method of the present disclosure includes: coating a joint of two to-be-joined light metal pieces with the light metal joint filler; and hot pressing the two to-be-joined light metal pieces, so that the silver powder is sintered and bonded with the light metal powder and surfaces of the two to-be-joined light metal pieces, and completing joining of the two to-be-joined light metal pieces after the silver powder is condensed.

Powder mixture

A powder mixture of the present invention is characterized in that it comprises: an iron powder or an iron-based alloy powder, wherein a graphite powder is adhered to a surface of the iron powder or the iron-based alloy powder by a binding agent containing a polyolefin wax; and a negatively-charged powder to be mixed with the iron powder or the iron-based alloy powder, and consisting of an iron powder and/or an iron-based alloy powder treated for negatively charging. This enables keeping the good adhering property of a graphite powder in a mixed powder and high flowability as a mixture of the raw material powder.

ADDITIVE MANUFACTURING POWDERS WITH IMPROVED PHYSICAL CHARACTERISTICS, METHOD OF MANUFACTURE AND USE THEREOF

In additive manufacturing operations, powders used in stereolithographic processes need to be precisely spread out in a uniform fashion at every pass of the stereolithographic process to ensure predictability in powder surface morphology. Typically, this is difficult to achieve with conventional powders because often these powders suffer from poor flowability, which may further deteriorate over time, and impairs the efficiency of the stereolithographic processes. The present disclosure describes additive manufacturing powders having improved physical characteristics such as flowability and tap density, which are less sensitive or insensitive to ambient humidity. For example, there is described a powder that includes spherical particles having a particle size distribution of less than 1000 micrometers and having a measurable flowability as determined in accordance with ASTM B213 at 75% relative humidity. 1. Additive manufacturing powder , comprising spherical particles having a particle size distribution (PSD) of from about 0 micrometers (μm) to about 1000 μm and having a flowability of ≤20 s determined in accordance with ASTM B213 at 30% relative humidity.2. The additive manufacturing powder according to claim 1 , having a flowability of ≤15 s determined in accordance with ASTM B213 at 30% relative humidity.3. The additive manufacturing powder according to or claim 1 , comprising particles having a PSD of 0 μm to 25 μm.4. The additive manufacturing powder according to or claim 1 , comprising particles having a PSD of 5 μm to 25 μm.5. The additive manufacturing powder according to or claim 1 , comprising particles having a PSD of 10 μm to 45 μm.6. The additive manufacturing powder according to or claim 1 , comprising particles having a PSD of 15 μm to 63 μm.7. The additive manufacturing powder according to or claim 1 , comprising particles having a PSD of 15 μm to 45 μm.8. The additive manufacturing powder according to or claim 1 , comprising particles having a PSD ...

POWDER MATERIAL AND PRODUCING METHOD FOR THE SAME

The present invention relates to a powder material including metal particles, in which in a mass basis cumulative particle size distribution, the metal particles have a 10% particle diameter dof less than 16 μm and a 90% particle diameter dof more than 35 μm and when a specific energy obtained as a value yielded by dividing a flow energy measured as an energy acting on a blade spiraling upward in the powder material by a mass of the powder material is normalized with a bulk density of the powder material, a resulting value is less than 0.47 mJ·ml/gand relates to a producing method for the same. 1. A powder material comprising metal particles ,{'sub': 10', '90, 'wherein in a mass basis cumulative particle size distribution, the metal particles have a 10% particle diameter dof less than 16 μm and a 90% particle diameter dof more than 35 μm, and'}{'sup': '2', 'when a specific energy obtained as a value yielded by dividing a flow energy measured as an energy acting on a blade spiraling upward in the powder material by a mass of the powder material is normalized with a bulk density of the powder material, a resulting value is less than 0.47 mJ·ml/g.'}2. The powder material according to claim 1 , wherein the powder material has an avalanche angle of less than 40°.3. The powder material according to claim 1 , wherein the powder material has a packing density of 57% or more.4. The powder material according to claim 2 , wherein the powder material has a packing density of 57% or more.5. The powder material according to claim 1 , wherein the powder material further comprises nanoparticles comprising a metal or a metal oxide.6. The powder material according to claim 2 , wherein the powder material further comprises nanoparticles comprising a metal or a metal oxide.7. The powder material according to claim 3 , wherein the powder material further comprises nanoparticles comprising a metal or a metal oxide.8. The powder material according to claim 4 , wherein the powder material ...

METHOD FOR PRODUCING SILVER PARTICLES, THERMOSETTING RESIN COMPOSITIONS, SEMICONDUCTOR DEVICE, AND ELECTRICAL AND/OR ELECTRONIC COMPONENTS

Provided is a thermosetting resin composition containing: (A) silver particles including secondary particles having an average particle size from 0.5 to 5.0 μm, the secondary particles being formed by aggregation of primary particles having an average particle size from 10 to 100 nm; and (B) a thermosetting resin. 1. A thermosetting resin composition comprising:(A) a silver particle comprising secondary particles having an average particle size from 0.5 to 5.0 μm, the secondary particles being formed by aggregation of primary particles having an average particle size from 10 to 100 nm; and(B) a thermosetting resin,wherein the silver particle (A) is a hollow particle having a void within the particle.2. The thermosetting resin composition according to claim 1 , wherein the silver particle (A) has a tap density from 4.0 to 7.0 g/cm claim 1 , and a specific surface area from 0.5 to 1.5 m/g as determined by the BET method.3. The thermosetting resin composition according to claim 1 , wherein the silver particle (A) has a positive thermal expansion coefficient at temperatures between 150° C. and 300° C.4. The thermosetting resin composition according to claim 1 , wherein the thermosetting resin (B) is contained in an amount from 1 to 20 parts by mass relative to 100 parts by mass of the silver particle (A).5. The thermosetting resin composition according to claim 1 , wherein the thermosetting resin (B) is at least one selected from a cyanate resin claim 1 , an epoxy resin claim 1 , an acrylic resin claim 1 , and a maleimide resin.6. The thermosetting resin composition according to claim 1 , further comprising (C) a diluent claim 1 , wherein the diluent (C) is contained in an amount from 3 to 20 parts by mass relative to 100 parts by mass of the silver particle (A).7. A semiconductor device formed by adhering a semiconductor element and a substrate through a die attach material containing the thermosetting resin composition described in .8. Electrical and/or electronic ...

Copper powder, and copper paste, electrically conductive coating material and electrically conductive sheet each produced using said copper powder

Provided is a copper powder in which the number of contact points between copper powder particles is increased to allow excellent electric conductivity to be achieved, and which can be used suitably in use applications including an electrically conductive paste and an electromagnetic wave shield. The copper powder according to the present invention has a dendritic shape composed of a main stem that is grown linearly and multiple branches that are branched from the main stem, wherein the main stem and the branches are composed of a flat-plate-like cupper particle having a cross section with an average thickness of 0.2 to 1.0 μm, and the average particle diameter (D50) of the copper powder is 5.0 to 30 μm. A copper paste having excellent electric conductivity can be produced by mixing the dendritic copper powder with a resin.

Dust core and method of manufacturing the same

A dust core achieving both a high magnetic permeability and a high voltage resistance and a method of manufacturing the same are provided. The dust core is a dust core containing a powder of a soft magnetic composition. The powder of the soft magnetic composition includes at least an ellipsoidal powder having a flatness within a range from 3.0 to 6.0.

R-t-b based permanent magnet

An object of the present invention is to provide an R-T-B based permanent magnet showing high residual magnetic flux density Br and coercive force HcJ, and further showing the same also after heavy rare earth element is diffused along grain boundaries. Provided is an R-T-B based permanent magnet in which, R is a rare earth element, T is an element other than the rare earth element, B, C, O or N, and B is boron. T at least includes Fe, Cu, Co and Ga, and a total of R content is 28.0 to 30.2 mass %, Cu content is 0.04 to 0.50 mass %, Co content is 0.5 to 3.0 mass %, Ga content is 0.08 to 0.30 mass %, and B content is 0.85 to 0.95 mass %, relative to 100 mass % of a total mass of R, T and B.

Bonding material and bonding method using the same

A method of bonding two different substances includes the steps of: applying a bonding material containing a flux component that includes an organic material having at least two carboxyl groups to a bonding surface of a bonding object, disposing an object to be bonded on the bonding material, performing preliminary firing at a preset temperature in a state in which the object to be bonded is disposed, and performing a main firing by heating at a temperature higher than the temperature of the preliminary firing.

Iron powder for exothermic composition, production method therefor, exothermic composition using said iron powder, and exothermic body production method

An iron powder for an exothermic composition according to the present invention has a bulk density of 0.3 to 1.5 g/cm 3 . Furthermore, an exothermic composition according to the present invention contains the iron powder, a carbon material, a halide salt, and water. Furthermore, an exothermic body production method according to the present invention includes: forming a coated member by coating a base material sheet with a flowable exothermic composition containing the iron powder, a carbon material, and water; and adjusting an amount of moisture in the coated member by removing water from the coated member. Furthermore, the present invention is directed to a production method for the iron powder (an iron powder for an exothermic composition) including: a reducing step of reducing iron oxide to obtain reduced iron; and a step of milling the reduced iron. In the reducing step, the iron oxide is reduced by introducing iron oxide and a solid reductant with a volatile matter content of 10% by mass or more into a heating furnace whose internal portion contains no sulfur gas or is set to an air or inert gas atmosphere, and setting the internal portion to a reducing gas atmosphere through heating under a condition that an ambient temperature of the internal portion is from 900 to 1000° C.

Singulated liquid metal droplet generator

This disclosure pertains to a system, methods, and apparatus configured for generating singulated metal droplets and collecting powder metal. The system comprises crucible apparatus each including a crucible housing, a gas inlet, and an alloy nozzle. The crucible housing is operatively coupled to an induction heating element and power supply to provide induction heating of the crucible housing and electromagnetically levitate a mass of molten metal. The gas inlet is operatively coupled to a gas supply and configured to receive a pressurized gas pulse via the gas supply, the pressurized gas pulse being directed at the mass of molten metal. The alloy nozzle is configured to release a metal droplet singulated from the mass of molten level due to the pressurized gas pulse. The system includes a powder collection unit configured to collect powder from one or more dispensing channel configured to catch the falling singulated liquid metal droplet.

Powder mixture for powder metallurgy and method for producing powder mixture for powder metallurgy

Provided is a powder mixture for powder metallurgy that has excellent fluidity, can be ejected from a green compacting die with little force, and can suppress die galling in forming. The powder mixture comprises: a raw material powder; a copper powder; a binder; a graphite powder; and carbon black. The raw material powder contains an iron-based powder in an amount of 90 mass % or more with respect to the raw material powder. An average particle size of the graphite powder is less than 5 μm. Additive amounts of the binder, the graphite powder, the copper powder, and the carbon black are in specific ranges. A surface of the raw material powder is coated with at least part of the binder. A surface of the binder is coated with at least part of the graphite powder, at least part of the copper powder, and at least part of the carbon black.

Process for additive manufacturing of parts by melting or sintering particles of powder(s) using a high-energy beam with powders adapted to the targeted process/material pair

A method of fabricating parts out of metallic, intermetallic, ceramic, ceramic matrix composite, or metal matrix composite material with discontinuous reinforcement, includes melting or sintering powder particles by means of a high-energy beam. The powder used is a single powder of particles that present sphericity lying in the range 0.8 to 1.0 and of form factor lying in the range 1 to √2, each powder particle presenting substantially identical mean composition, and the grain size distribution of the particles of the powder is narrowed around the mean diameter value d50% in such a manner that: (d90%−d50%)/d50%≦0.66; and (d50%−d10%)/d50%≦0.33; with a “span”: (d90%−d10%)/d50%≦1.00.

Multilayered metal nano and micron particles

A sintering powder, wherein a least a portion of the particles making up the sintering powder comprise: a core comprising a first material; and a shell at least partially coating the core, the shell comprising a second material having a lower oxidation potential than the first material.

Magnetic powder, compressed powder core, method of preparation thereof

Disclosed are magnetic powders, compressed magnetic powders and a preparation method thereof. The magnetic powder contains a plate-shaped particle whose aspect ratio defined in a following relationship 1 is equal to or larger than 4: [relationship 1] aspect ratio=length of long side of plate-shaped particle/length of short side of plate-shaped particle.

Powder for dust core and dust core

A powder for dust core used for a dust core includes a plurality of crystal grains, and the powder has at least two maximal values when a number ratio that is a ratio of the number of the crystal grains at each crystal grain diameter to the number of the crystal grains each crystal grain diameter of which has been measured is plotted with respect to each crystal grain diameter of the crystal grains.

Electroconductive adhesive

Provided is an electroconductive adhesive which is less apt to suffer cracking, chipping, etc. upon sintering and gives sintered objects having excellent mechanical strength. The electroconductive adhesive comprises metallic microparticles which include a protective layer comprising one or more amines and have an average particle diameter of 30-300 nm, the amines comprising a C5-7 monoalkylamine and/or an alkoxyamine represented by the following general formula (1). NH2—R2—O—R1 (1) In the protective layer, the ratio of the C5-7 monoalkylamine and/or alkoxyamine represented by the general formula (1) to one or more amines different therefrom is in the range of 100:0 to 10:90. [In formula (1), R1 represents a C1-4 alkyl group and R2 represents a C1-4 alkylene group.]

Powder material for powder additive manufacturing and powder additive manufacturing method using same

[Problem] To provide a powder material that has good fluidity and is used for powder additive manufacturing. [Solution] The powder material of this invention is used in powder additive manufacturing. The powder material is formed of particles having a form of secondary particles that are formed with primary particles bound three-dimensionally with interspaces. The secondary particles forming the powder material preferably have an average particle diameter of 1 μm or larger, but 100 μm or smaller. The secondary particles forming the powder material are preferably granulated particles. The powder additive manufacturing method of this invention is carried out, using the powder material.

Lamination shaping copper powder and laminated and shaped product

In this invention, a copper powder to which phosphorus (P) is added is developed such that a high-density laminated and shaped product can be obtained by a laminating and shaping method using a fiber laser as a heat source by appropriately reducing the electrical conductivity of copper, so a laminated and shaped product having a high density and a high electrical conductivity can be obtained. This invention is a copper powder for lamination shaping in which a phosphorus element is added to pure copper. The copper powder desirably contains 0.01 wt % or more of the phosphorus element. The copper powder more desirably contains 0.04 wt % or more of the phosphorus element. The copper powder desirably contains 0.30 wt % or less of the phosphorus element. The copper powder more desirably contains 0.24 wt % or less of the phosphorus element. No element other than the phosphorus element is desirably added to the copper powder.

Mixed powder for powder metallurgy, sintered body, and method of manufacturing sintered body

Provided is a mixed powder for powder metallurgy having a chemical system not using Ni which causes non-uniform metallic microstructure in a sintered body. A mixed powder for powder metallurgy comprises: a partially diffusion alloyed steel powder in which Mo diffusionally adheres to a particle surface of an iron-based powder; a Cu powder; and a graphite powder, wherein the mixed powder for powder metallurgy has a chemical composition containing Mo: 0.2 mass % to 1.5 mass %, Cu: 0.5 mass % to 4.0 mass %, and C: 0.1 mass % to 1.0 mass %, with the balance consisting of Fe and inevitable impurities, and the partially diffusion alloyed steel powder has: a mean particle diameter of 30 μm to 120 μm; a specific surface area of less than 0.10 m 2 /g; and a circularity of particles with a diameter in a range from 50 μm to 100 μm of 0.65 or less.

Metal powder feedstocks for additive manufacturing, and system and methods for producing the same

Systems and methods for producing metal powder feedstocks for additive manufacturing are disclosed. In one embodiment, a method includes first gathering a first feedstock from a first powder supply of an additive manufacturing system, second gathering a second feedstock from a second powder supply of the additive manufacturing system, wherein at least one of the first feedstock and the second feedstock includes metal particles therein, combining the first and second feedstocks, thereby producing a metal powder blend, and providing the metal powder blend to a build space of the additive manufacturing system.

Conductive paste and glass article

A conductive paste contains at least a conductive powder, glass frit, and an organic vehicle. The conductive powder is a mixed powder of an atomized powder prepared by an atomization method and a wet reduced powder prepared by a wet reduction method and the conductive powder contains the atomized powder in the range of 5 to 40 wt %. The atomized powder is 5.2 to 9 μm in average particle size and the content of a chlorine component mixed in the conductive powder is 42 ppm or less. The conductive paste is applied in the form of a line onto a glass substrate 1 and subjected to firing to form conductive films. This conductive paste can prevent glass substrates from undergoing color changes and prevent base layers for conductive films from having structural defects such as cracks.

Method for the surface treatment of particles of a metal powder and metal powder particles obtained thereby

A method for surface treatment of a metal material in a powder state is provided, the method including obtaining a powder formed from a plurality of particles of the metal material to be treated; and subjecting the powder to an ion implantation process by directing a beam of singly-charged or multi-charged ions towards an outer surface of the particles, the beam being produced by a source of singly-charged or multi-charged ions, whereby the particles have an overall spherical shape with a radius (R). There is also provided a material in a powder state formed from a plurality of particles having a ceramic outer layer and a metal core, the particles having an overall spherical shape.

Silver-coated copper powder and method for producing same

There is provided a silver-coated copper powder, which has excellent storage stability (reliability), and a method for producing the same. A silver-coated copper powder obtained by coating the surface of a copper powder, which is obtained by the atomizing method or the like, with 5 wt % or more (with respect to the silver-coated copper powder) of a silver containing layer of silver or a silver compound, is added to a gold plating solution, which is a potassium gold cyanide solution (to which at least one of tripotassium citrate monohydrate, anhydrous citric acid and L-aspartic acid is preferably added), to cause 0.01 wt % or more (with respect to the silver-coated copper powder) of gold to be supported on the surface of the copper powder coated with the silver containing layer.

Multi-phase sintering in binder jetting fabrication of metal objects

Devices, systems, and methods are directed to the use of nanoparticles for improving fabrication of three-dimensional objects formed through layer-by-layer delivery of an ink onto a powder of metal particles in a powder bed. More specifically, the ink may include nanoparticles of an inorganic material (e.g., a metal) that undergoes at least one phase change as the three-dimensional objects are heated. This phase change may facilitate achieving more uniform distribution of the inorganic material relative to the metal particles in the three-dimensional objects which, in turn, may improve strength of the three-dimensional objects being fabricated. Further, or instead, improved distribution of the inorganic material may reduce the likelihood of defects associated with subsequent processing of the three-dimensional objects.

Bipyramid-templated synthesis of monodisperse noble metal nanocrystals

Methods for forming samples of noble metal bipyramid nanocrystals having very low size and shape polydispersities from samples of mixed noble metal nanocrystals are provided. The samples include those comprising high purity, substantially monodisperse, plasmonic gold bipyramid nanocrystals. Also provided are methods of growing secondary twinned metal nanocrystals using the noble metal bipyramid nanocrystals as seed particles. Like the seed bipyramid nanocrystals from which they are grown, the secondary nanocrystals are twinned nanocrystals and may also be characterized by very low size and shape polydispersities. Secondary twinned nanocrystals grown by these methods include enlarged metal bipyramid nanocrystals and nanocrystals with anisotropic “dumbbell” shapes having a variety of tip geometries. Methods for using noble metal bipyramid nanocrystals as plasmonic heaters to heat reaction solutions via plasmonic-photothermal radiation-to-heat conversion are also provided.

Titanium alloys for additive manufacturing

Disclosed are titanium alloys for use in additive manufacturing that comprise a titanium material and a beta eutectoid stabilizer. The beta eutectoid stabilizer can be present in an effective amount to produce an equiaxed grain structure when the titanium alloy is melted or sintered during an additive manufacturing process. Also provided are methods of forming objects via additive manufacturing processes as well as methods of forming titanium alloys for use in additive manufacturing.

Method for preparing NdFeB magnet powder

The present disclosure refers to a method of preparing a NdFeB magnet powder. The method includes a hydrogen treatment process including the steps of: a) charging NdFeB alloy flakes into a hydrogen treatment furnace, wherein the NdFeB alloy flakes include a neodymium-rich phase and a main phase; b) performing a hydrogen absorption by heating the hydrogen treatment furnace in a first stage to a temperature at which only the neodymium-rich phase undergoes a hydrogen absorption reaction, then introducing and maintaining hydrogen at a predetermined pressure until the hydrogen absorption of the neodymium-rich phase is finished, then stop heating of the hydrogen treatment furnace in a second stage, where the temperature falls to a temperature at which the main phase undergoes a hydrogen absorption reaction; and c) when the hydrogen absorption of step b) is finished, performing a vacuum dehydrogenation of the obtained coarse magnet powder.

Silver-coated copper powder, and conductive paste, conductive coating material and conductive sheet, each of which uses said silver-coated copper powder

Provided is a dendritic silver-coated copper powder which is prevented from agglomeration, while ensuring excellent electrical conductivity by increasing contact points in cases where silver-coated dendritic copper powder particles are in contact with each other. This dendritic silver-coated copper powder is suitable for use in conductive pastes, electromagnetic shielding materials and the like. A dendritic silver-coated copper powder 1 according to the present invention has a dendritic form which comprises a linearly grown main trunk 2 and a plurality of branches 3 arising from the main trunk 2. The main trunk 2 and the branches 3 are configured of copper particles which have plate-like shapes having an average cross-sectional thickness of 0.2-1.0 μm, and the surfaces of which are coated with silver. This dendritic silver-coated copper powder 1 has an average particle diameter (D50) of 5.0-30 μm as determined by a laser diffraction/scattering particle size distribution measuring method.

Alloy steel powder for powder metallurgy, and sintered body

An Fe—Mo—Cu—C-based alloy steel powder for powder metallurgy has a chemical composition containing Mo: 0.2 mass % to 1.5 mass %, Cu: 0.5 mass % to 4.0 mass %, and C: 0.1 mass % to 1.0 mass %, with a balance being Fe and incidental impurities, wherein an iron-based powder has a mean particle size of 30 μm to 120 μm, and a Cu powder has a mean particle size of 25 μm or less. Despite the alloy steel powder for powder metallurgy having a chemical composition not containing Ni, a part produced by sintering a press formed part of the powder and further carburizing-quenching-tempering the sintered part has mechanical properties of at least as high tensile strength, toughness, and sintered density as a Ni-added part.

Tungsten Sintered Compact Sputtering Target and Tungsten Film Formed Using Said Target

A tungsten sintered compact sputtering target, wherein a molybdenum strength detected with a secondary ion mass spectrometer (D-SIMS) is equal to or less than 1/10000 of the tungsten strength. This target reduces the specific resistance of a tungsten film sputtered using the tungsten sintered compact target by reducing the molybdenum in the tungsten sintered compact sputtering target and adjusting the grain size distribution of the W powder that is used during sintering.

Additive Manufacturing

A method of additive manufacturing is disclosed, comprising using a powder comprising a first particulate component ( 1 ) with a first mean particle diameter, and a second particulate component ( 2 ) with a second mean particle diameter. The first mean particle diameter is at least twice the second mean particle diameter. The particles ( 2 ) of the second component are bonded to the particles ( 1 ) of the first component, and the first and second components comprise different materials. The powder is deposited.

Three-dimensional shaped article production method

A three-dimensional shaped article production method is a three-dimensional shaped article production method for producing a three-dimensional shaped article by stacking layers and includes a first metal powder supply step of supplying a first metal powder having a first average particle diameter to a shaping table, a layer formation step of forming the layer by compressing the first metal powder supplied to the shaping table, a first liquid supply step of supplying a first liquid containing a second metal powder having a second average particle diameter and a binder to a portion of a constituent region of the three-dimensional shaped article, a second liquid supply step of supplying a second liquid containing at least either the second meal powder at a lower concentration than the first liquid or a third metal powder having a larger average particle diameter than the second average particle diameter and containing a binder to at least a portion of a surface layer region, and a sintering step of sintering a metal in the constituent region by heating a stacked body.

Mixed magnetic powders and the electronic device using the same

Mixed magnetic powders for making a magnetic core or body is disclosed, wherein the mixed magnetic powders comprises a first magnetic powder and a second magnetic powder, each of the first magnetic powder and the second magnetic powder being made of a soft magnetic material, wherein the average particle diameter of the first magnetic powder is greater than that of the second magnetic powder, and each of the first magnetic powder and the second magnetic powder has a pre-configured particle size distribution for increasing the density of the magnetic body.

Composition containing metal powder for three-dimensional printing, three-dimensional printing method using same as raw material, and three-dimensional printing device

The present invention relates to a composition containing a metal powder for three-dimensional printing, a three-dimensional printing method using the same as a raw material, and a three-dimensional printing device, which enable a metal product, which requires high precision as well as high strength, to be produced by a three-dimensional printing technique using a raw material containing a metal powder as a feedstock for three-dimensional printing. In particular, the composition containing a metal powder for three-dimensional printing, according to the present invention, is used as a feedstock supplied to an extrusion head of a three-dimensional printer, and is produced by kneading, pulverizing, and pelletizing the metal powder and a polymer binder.

Bipyramid-templated synthesis of monodisperse noble metal nanocrystals

Methods for forming samples of noble metal bipyramid nanocrystals having very low size and shape polydispersities from samples of mixed noble metal nanocrystals are provided. The samples include those comprising high purity, substantially monodisperse, plasmonic gold bipyramid nanocrystals. Also provided are methods of growing secondary twinned metal nanocrystals using the noble metal bipyramid nanocrystals as seed particles. Like the seed bipyramid nanocrystals from which they are grown, the secondary nanocrystals are twinned nanocrystals and may also be characterized by very low size and shape polydispersities. Secondary twinned nanocrystals grown by these methods include enlarged metal bipyramid nanocrystals and nanocrystals with anisotropic “dumbbell” shapes having a variety of tip geometries. Methods for using noble metal bipyramid nanocrystals as plasmonic heaters to heat reaction solutions via plasmonic-photothermal radiation-to-heat conversion are also provided.

Soft magnetic powder and method for producing sintered body

A soft magnetic powder contains Fe in a proportion of 45.0 mass % or more and 52.0 mass % or less, Co in a proportion of 47.0 mass % or more and 52.0 mass % or less, and V in a proportion of 0.10 mass % or more and less than 2.0 mass %, wherein in a mass-based particle size distribution measured by a laser diffraction particle size distribution analyzer, when a particle diameter at a cumulative frequency from a small diameter side of 10% is represented by D10, a particle diameter at a cumulative frequency of 50% is represented by D50, and a particle diameter at a cumulative frequency of 90% is represented by D90, (D90−D10)/D50 satisfies 1.0 or more and 3.5 or less.

Electrode material and method for producing electrode material

An electrode material obtained by press molding a mixed powder where a Cu powder, a Cr powder and a refractory metal powder (for example, a Mo powder) are mixed and then sintering the thus-obtained molded body in a non-oxidizing atmosphere at a temperature that is not higher than the melting point of Cu. As the Cr powder to be mixed in the mixed powder, a Cr powder wherein the volume-based relative particle amount of particles having particle diameters of 40 μm or less is less than 10% is used. The Cr powder is mixed in the mixed powder in an amount of 10-50% by weight, while the refractory metal powder is mixed in the mixed powder in an amount of 1-10% by weight.

Power inductor

Provided is a power inductor. The power inductor includes a body including metal powder and a polymer, at least one base provided in the body, and at least one coil pattern disposed on at least one surface of the base. The metal powder includes at least three metal powder of which middle values of grain-size distribution are different from each other.

Silver nanoparticle method on zinc oxide films

A method of preparing silver nanoparticles, including silver nanorings. A zinc oxide thin film is formed initially by direct-current sputtering of a zinc target onto a substrate. A silver thin film is then formed by a similar sputtering technique, of a silver target onto the zinc oxide thin film. After that, the silver thin film is subject to an annealing treatment. The temperature, duration and atmosphere of the annealing treatment can be varied to control the average particle size, average distance between particles (density), particle size distribution of the silver nanoparticles. In at least one embodiment, silver nanoparticles of ring structure are produced.

Erosion resistant hard composite materials

A hard composite composition may comprise a binder and a polymodal blend of matrix powder. The polymodal blend of matrix powder may have at least one first local maxima at a particle size of about 0.5 nm to about 30 μm, at least one second local maxima at a particle size of about 200 μm to about 10 mm, and at least one local minima between a particle size of about 30 μm to about 200 μm that has a value that is less than the first local maxima.

Method for forming noble metal nanoparticles on a support

Provided is a method for forming noble metal nanoparticles on a support. In particular, the method includes heating precursors of the noble metal nanoparticles in a spiral glass tube reactor to reduce the precursors to form the noble metal nanoparticles on the support.

Density enhancement methods and compositions

The present invention relates to granular composite density enhancement, and related methods and compositions. The application where the properties are valuable include but are not limited to: 1) additive manufacturing (“3D printing”) involving metallic, ceramic, cermet, polymer, plastic, or other dry or solvent-suspended powders or gels, 2) concrete materials, 3) solid propellant materials, 4) cermet materials, 5) granular armors, 6) glass-metal and glass-plastic mixtures, and 7) ceramics comprising (or manufactured using) granular composites.

Sputtering Target Material

A method of making a sputtering target in which an atomized powder including, in at. %, 10 to 50% of B, 0 to 20% in total of one or more elements selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Re, Ru, Rh, Ir, Ni, Pd, Pt, Cu, and Ag, and a balance of one or both of Co and Fe, and unavoidable impurities is provided. Fine particles are removed from the atomized powder to obtain a powder having a particle distribution where the cumulative volume of particles having a particle diameter of 5 μm or less is 10% or less, and the cumulative volume of particles having a particle diameter of 30 μm or less is 5-40%. The obtained powder is sintered to form a sputtering target comprising a sintered body. The sputtering target comprises hydrogen of 20 ppm or less.

Method for manufacturing material layer, method for manufacturing three-dimensional object, material-layer-forming apparatus, and additive manufacturing system

A method for manufacturing a material layer includes a first step S 101 of arranging first particles P 1 in a pattern on a base material 11 and a second step S 102 of arranging second particles in regions in which the first particles P 1 are not arranged on the base material 11 . The second step S 102 includes a step of rubbing bearing materials S 2 that carry the second particles P 2 against the base material 11 on which the first particles P 1 are arranged.

Three-dimensional shaping method

A three-dimensional shaping method for forming a shaped object using a powder made up of first particles, on a vertically movable shaping stage within a shaping container, the method includes a step of forming a powder layer made up of the first particles, on the shaping stage on which second particles that have a larger particle size than a particle size of each of the first particles are disposed along a gap between the shaping container and the shaping stage. R1 is an average particle size of the first particles, R2 is an average particle size of the second particles and d is a distance of the gap between the shaping container and the shaping stage. Expression (1) is satisfied: R 1≤ d<R 2   (1).

Stainless Steel Powder for Producing a Shaped Article

An object of the present invention is to provide: a stainless steel powder which can be used in a powder-shaping method involving a rapid melting process and a rapid cooling process for solidification to produce a shaped article that is less susceptible to solidification cracking; a powder material for producing a shaped article, containing the stainless steel powder; and a method of producing a shaped article using the stainless steel powder, and, to achieve the object, the present invention provides a powder of a stainless steel, including: Cr in an amount of 10.5% by mass or more and 20.0% by mass or less; Ni in an amount of 1.0% by mass or more and 15.0% by mass or less; C, Si, Mn and N in a total amount of 0% by mass or more and 2.0% by mass or less; Mo, Cu and Nb in a total amount of 0% by mass or more and 5.0% by mass or less; and P and S in a total amount of 0% by mass or more and 0.03% by mass; with the balance being Fe and unavoidable impurities; wherein the stainless steel satisfies the following formula (1): Cr eq /Ni eq 1.5  (1).

Nanoparticle production and corresponding structures

Methods are described that have the capability of producing submicron/nanoscale particles, in some embodiments dispersible, at high production rates. In some embodiments, the methods result in the production of particles with an average diameter less than about 75 nanometers that are produced at a rate of at least about 35 grams per hour. In other embodiments, the particles are highly uniform. These methods can be used to form particle collections and/or powder coatings. Powder coatings and corresponding methods are described based on the deposition of highly uniform submicron/nanoscale particles.

Nanoparticle-based power coatings and corresponding structures

Methods are described that have the capability of producing submicron/nanoscale particles, in some embodiments dispersible, at high production rates. In some embodiments, the methods result in the production of particles with an average diameter less than about 75 nanometers that are produced at a rate of at least about 35 grams per hour. In other embodiments, the particles are highly uniform. These methods can be used to form particle collections and/or powder coatings. Powder coatings and corresponding methods are described based on the deposition of highly uniform submicron/nanoscale particles.

Nanoparticle-based power coatings and corresponding structures

Methods are described that have the capability of producing submicron/nanoscale particles, in some embodiments dispersible, at high production rates. In some embodiments, the methods result in the production of particles with an average diameter less than about 75 nanometers that are produced at a rate of at least about 35 grams per hour. In other embodiments, the particles are highly uniform. These methods can be used to form particle collections and/or powder coatings. Powder coatings and corresponding methods are described based on the deposition of highly uniform submicron/nanoscale particles.

Magnetic nanoparticles useful in magnetic sensor detection, especially in biosensor applications

Es wird ein Prozess für das Herstellen von magnetischen Nanopartikeln (MNPs) offenbart, der in sehr empfindlichen MNPs resultiert, die bei einer Vielzahl von Diagnose- und Analyseverfahren verwendet werden können. Die MNPs weisen Superparamagnetismus auf und finden speziell bei Riesenmagnetowiderstand-(GMRS)-Sensoren Verwendung. Die MNPs werden durch einen Prozess hergestellt, der erlaubt, die Größe von Nanopartikeln auf einen Bereich von 10 bis 20 Nanometer mit einer sehr kleinen Größenverteilung von +/–2 Nanometer oder weniger einzustellen. Die MNPs können mit einer Vielzahl von Markierern markiert werden und finden daher in vielen analytischen Tests, Zellsortiertechniken, Abbildungsverfahren, Medikamentenverabreichungsverfahren und Krebsbehandlungen Verwendung. Die erfindungsgemäßen MNPs können in Magnetfeldstärken von 2000 Oe oder weniger detektiert werden. A process for making magnetic nanoparticles (MNPs) that results in very sensitive MNPs that can be used in a variety of diagnostic and analytical methods is disclosed. The MNPs have superparamagnetism and are especially used in giant magnetoresistance (GMRS) sensors. The MNPs are made by a process that allows the size of nanoparticles to be set in a range of 10 to 20 nanometers with a very small size distribution of +/- 2 nanometers or less. The MNPs can be labeled with a variety of markers and therefore find use in many analytical assays, cell sorting techniques, imaging procedures, drug delivery procedures, and cancer treatments. The MNPs according to the invention can be detected in magnetic field strengths of 2000 Oe or less.

在载体上形成贵金属纳米粒子的方法

本发明涉及一种用于在载体上形成贵金属纳米粒子的方法。具体地，本发明包括在螺旋玻璃管式反应器中加热贵金属纳米粒子的前体，以还原该前体，从而在载体上形成贵金属纳米粒子。

一种细粒度金刚石锯片的制备方法

本发明公开了一种细粒度金刚石锯片的制备方法，其中金刚石胎体材料其各组分及其质量百分比为：50～55％的骨架材料，Fe：80～83％，Cu：15～17％，Sn：2～3％；10～20％的低熔点材料，Cu：84～86％，Sn：14～16％；30～35％的脆性材料，Mn：14～15％，Si：7～8％，Ni：6～8％，Co：6～7％；余量为Fe。本发明既能保持锋利度的同时又能保持很好的切边质量。

粉末の焼結方法

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

特にバイオセンサ用途における磁気センサ検出に有用な磁性ナノ粒子

様々な診断方法および解析方法で使用することができる非常に感度のよい磁性ナノ粒子（ＭＮＰ）が得られる、ＭＮＰの調製方法を開示する。ＭＮＰは、超常磁性を示し、巨大磁気抵抗センサ（ＧＭＲＳ）での特段の使用が見出されている。ＭＮＰは、ナノ粒子のサイズの範囲を１０〜２０ナノメートル、粒子サイズ分布を非常に小さい±２ナノメートル以下に調整することを可能にするプロセスによって作製される。ＭＮＰは、様々なマーカーでタグ付けすることができ、それにより、多くの分析アッセイ、細胞選別技術、画像診断法、薬物送達法、および癌治療での使用が見出されている。本発明のＭＮＰは、２０００Ｏｅ以下の磁場の強さにおいて検出することができる。

制备钕铁硼永磁材料的微粉、靶式气流磨制粉方法及出粉

本发明公开了制备钕铁硼永磁材料的微粉、制备该微粉所采用的靶式气流磨制粉方法及气流磨出粉。所述微粉的球形度≥90％，颗粒附着率≤10％；所述靶式气流磨制粉方法中，靶心的直径A、侧喷嘴的直径B、靶心和侧喷嘴之间的距离C的关系为：A/B＝m×(C/A+B)，其中，m的取值范围为1～7，侧喷嘴的喷射气流速度为320～580m/s，分级轮的直径F与所述靶心的直径A的关系为：F＝p×A，其中，p的取值范围为3～6；由该方法得到的气流磨出粉由超细粉和所述微粉组成；其中，超细粉的质量与气流磨出粉总质量的比例≤0.5％。本发明中的微粉粒度分布均匀、范围窄，含氮量低，适合大规模生产高品质烧结钕铁硼永磁材料，且由该靶式气流磨方法得到的出粉中不含吐料，节省了后续工艺。

Способ послойного изготовления детали селективным плавлением или селективным спеканием слоев порошка с оптимальной плотностью посредством высокоэнергетического пучка

Изобретение относится к послойному изготовлению детали из порошка. Способ включает этапы, на которых a) берут материал в виде порошка, b) осаждают первый слой порошка на опору, c) сканируют первый слой высокоэнергетическим пучком для локального нагрева порошка с обеспечением селективного плавления или селективного спекания порошка и образования по меньшей мере первого единичного элемента, d) наносят второй слой порошка, e) сканируют по меньшей мере одну область второго слоя для локального нагрева порошка с обеспечением селективного плавления или селективного спекания порошка и образования по меньшей мере одного второго единичного элемента, f) повторяют этапы d) и е) для каждого нового слоя порошка с обеспечением формирования детали. Используют порошок с многомодальным распределением зерен по размеру. Между этапами а) и b) порошок непрерывно подогревают в бункере-питателе до температуры Тр, которая меньше температуры спекания порошка. Создают поток инертного газа, проходящий через порошок, с обеспечением уменьшения влажности воздуха, адсорбированного на поверхности частиц порошка. Обеспечивается снижение пористости детали. 15 з.п. ф-лы, 1 табл., 8 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 665 653 C2 (51) МПК B22F 3/105 (2006.01) B33Y 30/00 (2015.01) B33Y 40/00 (2015.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B22F 3/105 (2006.01); B33Y 30/00 (2006.01); B33Y 40/00 (2006.01) (21)(22) Заявка: 2015125546, 27.11.2013 (24) Дата начала отсчета срока действия патента: Дата регистрации: 03.09.2018 27.11.2012 FR 1203196 (43) Дата публикации заявки: 10.01.2017 Бюл. № (56) Список документов, цитированных в отчете о поиске: RU 2011105661 A, 27.08.2012. US 20060083652 A1, 20.04.2006. RU 2052773 C1, 20.01.1996. SU 983407 A, 23.12.1982. US 20120237745 A1, 20.09.2012. 1 (45) Опубликовано: 03.09.2018 Бюл. № 25 (86) Заявка PCT: C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 29.06.2015 FR 2013/052867 ( ...

Composite powder particles

A liquid coating composition including a coating vehicle and composite powder particles disposed within the coating vehicle. Each composite powder particle may include a magnesium component, a zinc component, and an indium component.

Method for obtaining pharmaceutical agent for inhibiting proliferative activity of tumor cells

FIELD: medicine. SUBSTANCE: present invention relates to the field of medicine, namely to experimental research in oncology, and can be used to obtain a pharmaceutical agent for inhibiting the proliferative activity of cervical cancer cells Hela, including the use of a metal powder obtained by an electric explosion of a metal wire in a gas atmosphere, while an electric explosion of a low-carbon steel wire is conducted at a specific energy of 7-18 kJ/g and a pulse duration of 1.2-2 microseconds in the reactor previously evacuated to a residual pressure of 10 -2 Pa, and then filled with carbon monoxide to a pressure of 10 5 Pa at a gas flow circulation rate in the reactor of 10 m/s, the explosion products deposited in the trap are passivated in the air atmosphere for at least 48 hours, the resulting powder is extracted and mixed with a solution of the RPMI-1640 nutrient medium with L-glutamine, whose pH is 7.2, in the proportion of the powder mass to the volume of the specified solution from 1:10 to 2.7:10, then centrifuged until the phases are separated, the liquid phase is drained and used as a pharmaceutical agent. EFFECT: expansion of the arsenal of means for inhibiting the proliferative activity of tumor cells. 1 cl, 12 dwg, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 754 617 C1 (51) МПК A61K 33/26 (2006.01) A61P 35/00 (2006.01) B82B 3/00 (2006.01) B22F 9/14 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК A61K 33/26 (2021.05); A61P 35/00 (2021.05); B82B 3/00 (2021.05); B22F 9/14 (2021.05) (21)(22) Заявка: 2021100394, 11.01.2021 (24) Дата начала отсчета срока действия патента: Дата регистрации: 06.09.2021 (45) Опубликовано: 06.09.2021 Бюл. № 25 Адрес для переписки: 634029, г. Томск, ул. Белинского, 21/1, кв. 49, Батурина Оксана Николаевна 2 7 5 4 6 1 7 C 1 (56) Список документов, цитированных в отчете о поиске: RU 2560432 C2, 20.08.2015. RU 2699886 C1, 11.09.2019. RU 2674952 C1, 13.12.2018. JP 6174185 ...

Tantalum powder and preparation method thereof, and sintered anode made by same

본 발명은 희소 금속 제련 분야에 관한 것이며, 특히 본 발명은 커패시터를 제조하기 위한 탄탈룸 분말 및 상기 탄탈룸 분말의 제조방법, 및 탄탈룸 분말로부터 소결된 애노드에 관한 것이다. 본 발명에 의해 제공된 탄탈룸 분말은, 그 1차 탄탈룸 분말이 3.0 내지 4.5 m 2 /g의 BET 값을 갖는다. 2차 응집 후, 탄탈룸 분말은 큰 입자 크기를 갖는다. 탄탈룸 분말은 평균 1.2 내지 3.0 μm의 평균 피셔 서브시브(Fisher sub-sieve) 크기(FSSS)를 가지며, 표준 체 메쉬로 측정되었을 때 평균 75% 초과 탄탈룸 분말이 +325-메쉬의 입자 크기를 가지며, 60 μm 를 초과하는 입도 분포 D50를 갖게 되는데, 이는 2차 입자 크기가 높다는 것을 의미한다. 본 발명의 탄탈룸 분말을 1200 ℃에서 20분간 소결하고 20 V의 전압을 인가하여 제조된 커패시터 애노드는 140,000 내지 180,000 μFV/g의 비용량 및 1.0 nA/μFV 미만의 잔류 전류를 갖는다. 또한, 본 발명은 경제적인 탄탈룸 분말의 제조방법을 제공한다. The present invention relates to the field of smelting rare metals, and in particular, the present invention relates to a tantalum powder for producing a capacitor, a method for producing the tantalum powder, and an anode sintered from the tantalum powder. In the tantalum powder provided by the present invention, the primary tantalum powder has a BET value of 3.0 to 4.5 m 2 /g. After the secondary agglomeration, the tantalum powder has a large particle size. The tantalum powder has an average Fisher sub-sieve size (FSSS) of 1.2 to 3.0 μm on average, and the average greater than 75% tantalum powder has a particle size of +325-mesh as measured with a standard sieve mesh, It has a particle size distribution D50 in excess of 60 μm, which means that the secondary particle size is high. The capacitor anode prepared by sintering the tantalum powder of the present invention at 1200° C. for 20 minutes and applying a voltage of 20 V has a specific capacity of 140,000 to 180,000 μFV/g and a residual current of less than 1.0 nA/μFV. In addition, the present invention provides an economical method for producing tantalum powder.

材料组

本公开涉及一种材料组，其包含粉末床材料和粘合剂流体。所述粉末床材料可以是80重量％至100重量％具有金属核和在核上的薄金属层的金属粒子，所述金属粒子具有4μm至150μm的D50粒度分布值且所述薄金属层具有20nm至2μm的平均厚度。所述粘合剂流体可相对于未与粘合剂流体接触的粉末床材料的第二部分粘合粉末床材料的第一部分。

Method and apparatus for producing a raw material for making rare-earth magnets

FIELD: metallurgy.SUBSTANCE: group of inventions relates to a method and apparatus for producing powdered and recycled raw material for making rare-earth magnets. First, at least one magnetic material (M) and/or at least one rare-earth-containing alloy is prepared, which contains low-concentration impurities and which are milled into a powdered intermediate product (ZP) with impurity concentration increased under certain conditions. Then, powdered intermediate product (ZP) is subjected to classification by at least one criterion, wherein for classification of powdered intermediate product (ZP) with high concentration of impurities in it is provided use of at least one dynamic classifier, which separates the powdered intermediate (ZP) with impurities on the basis of at least one criterion to at least two fractions (F, F), in the first (F) of which impurities are accumulated in at least one high concentration, and in the second (F) impurities do not accumulate or accumulate in at least one concentration lower than the first fraction (F), wherein fraction without impurities or with low concentration thereof forms initial material for making rare-earth magnets.EFFECT: reduced amount of impurities in initial material and higher quality of rare-earth magnet.12 cl, 2 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 730 314 C1 (51) МПК B22F 9/04 (2006.01) H01F 41/02 (2006.01) C22C 1/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B22F 9/04 (2020.05); H01F 41/02 (2020.05); C22C 1/04 (2020.05); B22F 1/0014 (2020.05) (21)(22) Заявка: 2019114899, 16.05.2019 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): НЕЧ ТРОККЕНМАЛЬТЕХНИК ГМБХ (DE) Дата регистрации: 21.08.2020 (56) Список документов, цитированных в отчете о поиске: EP 2273513 A1, 12.01.2011. EP 0414376 A2, 27.02.1991. WO 2007045320 A1, 26.04.2007. RU 2317149 C1, 20.02.2008. 24.05.2018 DE 102018112406.6 (45) Опубликовано: 21.08.2020 Бюл. № ...

铜粉

本发明提供一种新铜粉，其即使为微粒铜粉，压粉电阻也低且可确保优异的导电性。本发明提出一种铜粉，其特征在于，通过激光衍射散射式粒度分布测定装置所测定的体积累积粒径D50为0.20μm～0.70μm，并且，微晶粒径相对于该D50的比例(微晶粒径/D50)为0.15～0.60(μm/μm)。

Heat resistant aluminum powder material

FIELD: metallurgy.SUBSTANCE: invention relates to metallurgy, namely to heat-resistant aluminum alloys with high structure stability for use in additive technologies in powder form. Alloy contains nickel, manganese, iron, zirconium, cerium, at least one element from group: copper, magnesium, zinc, as well as at least one element from the group: silicon, calcium, wherein Ni>Mn+Fe, one or more eutectic phases such as AlNi, AlMnNi, AlFeNi, having thermal stability, as well as dispersoids of type AlZr, which provides ultimate strength of article in state after printing or annealing of not lower than 370 MPa.EFFECT: development of new heat-resistant aluminum material for its use in the form of powder having good processability during printing, as well as high strength properties at room temperature after printing, without strong reduction of strength after annealing.7 cl, 3 dwg, 7 tbl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 730 821 C1 (51) МПК C22C 1/04 (2006.01) C22C 21/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C22C 1/04 (2020.02); C22C 21/00 (2020.02) (21)(22) Заявка: 2019144429, 27.12.2019 (24) Дата начала отсчета срока действия патента: Дата регистрации: 26.08.2020 (45) Опубликовано: 26.08.2020 Бюл. № 24 2 7 3 0 8 2 1 R U (56) Список документов, цитированных в отчете о поиске: WO 2017077137 A2, 11.05.2017. CN 108582920 A, 28.09.2018. JP 4107236 A, 08.04.1992. RU 2673593 C1, 28.11.2018. RU 2215055 C2, 27.10.2003. (54) ЖАРОПРОЧНЫЙ ПОРОШКОВЫЙ АЛЮМИНИЕВЫЙ МАТЕРИАЛ (57) Реферат: Изобретение относится к области типа Al3Zr, что обеспечивает предел прочности металлургии, а именно к жаропрочным изделия в состоянии после печати или отжига не алюминиевым сплавам с высокой стабильностью ниже 370 МПа. Техническим результатом структуры для использования в аддитивных является разработка нового жаропрочного технологиях в виде порошка. Сплав содержит алюминиевого материала для его использования никель, ...

Selective material dispensing and melting of multiple layers in laminate manufacturing

적층 제조는 지지부 상에 복수의 층을 연속적으로 형성하는 단계를 포함한다. 상기 복수의 층으로부터의 층을 퇴적시키는 단계는 제1 입자들을 디스펜싱하는 단계, 개체의 표면에 대응하는 선택된 영역들에 제2 입자들을 선택적으로 디스펜싱하는 단계, 및 상기 층의 적어도 부분을 용융시키는 단계를 포함한다. 상기 층은 전체에 걸쳐 상기 제1 입자들을 갖고 상기 선택된 영역들에서 상기 제2 입자들을 갖는다. 대안적으로 또는 추가로, 상기 복수의 층을 형성하는 단계는 층들의 다수의 그룹을 퇴적시키는 단계를 포함한다. 층들의 그룹을 퇴적시키는 단계는, 상기 층들의 그룹 내의 각 층에 대해, 상기 층을 제공하도록 피드 재료를 디스펜싱하는 단계; 및 상기 피드 재료를 디스펜싱한 후에, 그리고 후속 층을 디스펜싱하기 전에, 상기 층의 선택된 부분을 용융시키는 단계를 포함한다. 상기 층들의 그룹 내의 모든 층이 디스펜싱된 후에, 상기 층들의 그룹 내의 모든 층을 통해 확장되는 상기 층들의 그룹의 용적이 용융된다.

Silver powder for ink or paint

【課題】美観に優れた塗膜が得られる銀粉の提供。【解決手段】銀粉は、主成分が銀である多数の粒子２を含んでいる。フレーク状であって単結晶構造を有しかつその最大平面が格子面（１１１）である粒子２の数の、粒子の総数に対する比率は、９５％以上である。この銀粉は、水分散性である。この銀粉の、メジアン径Ｄ５０は０．１μｍ以上１０μｍ以下であり、粒径の標準偏差は５μｍ以下であり、平均厚みＴａｖｅは３００ｎｍ以下であり、アスペクト比（Ｄ５０／Ｔａｖｅ）は４以上である。【選択図】図１ [Problem] To provide a silver powder from which a coating film excellent in aesthetics is obtained. The silver powder includes a large number of particles 2 whose main component is silver. The ratio of the number of particles 2 that are flaky and have a single crystal structure and whose maximum plane is the lattice plane (111) to the total number of particles is 95% or more. This silver powder is water dispersible. The silver powder has a median diameter D50 of 0.1 μm or more and 10 μm or less, a standard deviation of particle diameter of 5 μm or less, an average thickness Tave of 300 nm or less, and an aspect ratio (D50 / Tave) of 4 or more. [Selection] Figure 1

Moulding method and apparatus, particularly for metals and/or ceramics

本发明提供一种用于制造一模制层状产品的方法及设备，包括：打印一第一模具以定义所述产品的一层；用一铸造材料填充所述第一模具，从而形成一第一层；在所述第一层的顶部上打印一第二模具以定义一第二层；以及用一铸造材料填充所述第二模具在所述第一层上。所述铸造材料可以是一浆糊。继续选替的模具打印及铸造，直到形成一模制层状产品或部件产品。

Metal powder metallurgy with lubricator, the manufacture method of its manufacture method, metal-powder compositions and metal powder metallurgy product

本发明的金属粉末冶金用润滑剂包含含有选自下述通式(1)表示的酰胺系化合物和下述通式(2)表示的酰胺系化合物中的1种以上酰胺系化合物的粒状体，粒径大于198μm的粒子低于1质量％，且粒径10μm以下的粒子为10质量％以下，本发明的金属粉末冶金用润滑剂可不阻碍润滑性而实现低密度和低磨耗值，且提供没有裂纹、缺陷和密度不平衡的生坯体和烧结体。 (式中，R 1 和R 2 各自独立地表示碳数13～27的脂族烃基，m表示1～6的数。)R 3 ‑CONH 2 (2)(式中，R 3 表示碳数13～27的脂族烃基)。

Alloy gold clay