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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 24261. Отображено 100.
05-01-2012 дата публикации

Resonator

Номер: US20120001700A1
Автор: Robert J. P. Lander
Принадлежит: NXP BV

A method of manufacturing a MEMS resonator formed from a first material having a first Young's modulus and a first temperature coefficient of the first Young's modulus, and a second material having a second Young's modulus and a second temperature coefficient of the second Young's modulus, a sign of the second temperature coefficient being opposite to a sign of the first temperature coefficient at least within operating conditions of the resonator. The method includes the steps of forming the resonator from the first material; applying the second material to the resonator; and controlling the quantity of the second material applied to the resonator by the geometry of the resonator.

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Номер записи: 1
26-01-2012 дата публикации

Process, composition and method for anion deposition into ferritin for therapeutic and other use

Номер: US20120020879A1
Автор: Richard K. Watt
Принадлежит: BRIGHAM YOUNG UNIVERSITY

Provided herein is a process for production of a metal nanoparticle, the process comprising providing a first solution containing a protein nanocage complex comprising a hydrophobic metal core and an ion-transport mechanism, providing a second solution containing a preselected anionic agent, combining the first and second solutions into a third combined solution, and applying an external method to the third combined solution to manipulate the metal core's redox state, in which reduction of the metal core causes the preselected anionic agent to be imported and incorporated into the metal core. Also provided herein is a composition from the process and a method of use.

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Номер записи: 2
26-01-2012 дата публикации

Nanocomposite bulk magnet and process for producing same

Номер: US20120021221A1
Автор: Toshio Miyoshi
Принадлежит: Hitachi Metals Ltd

In a nanocomposite bulk magnet according to the present invention, nanocomposite magnet powder particles, including an Nd 2 Fe 14 B crystalline phase and an α-Fe phase, are combined together. The composition of the magnet is represented by T 100-x-y-z-n (B 1-q C q ) x R y Ti z M n , where T is at least one transition metal element selected from the group consisting of Fe, Co and Ni and always including Fe, R is at least one rare-earth element including substantially no La or Ce, M is an additive metallic element, and x, y, z, n and q satisfy 4 at %≦x≦10 at %, 6 at %≦y≦10 at %, 0.05 at %≦z≦5 at %, 0 at %≦n≦10 at %, and 0≦q≦0.5, respectively. The powder particles have a minor-axis size of less than 40 μm. And powder particles, of which the major-axis size exceeds 53 μm, account for at least 90 mass % of the entire magnet. And those powder particles are directly combined with each other. Consequently, a full-dense magnet, of which the density is 96% or more of the true density of its material alloy, is realized.

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Номер записи: 3
09-02-2012 дата публикации

Biodegradable implant and method for manufacturing same

Номер: US20120035740A1
Автор: Ja-Kyo Koo, Jong-Tack Kim, Seok Hyun-Kwang, Seok-Jo Yang, Sung-youn Cho, Yu-Chan Kim
Принадлежит: U&I CORP

This invention relates to a biodegradable implant including magnesium, wherein the magnesium contains, as impurities, (i) manganese (Mn); and (ii) one selected from the group consisting of iron (Fe), nickel (Ni) and mixtures of iron (Fe) and nickel (Ni), wherein the impurities satisfy the following condition: 0</(i)≦5, and an amount of the impurities is 1 part by weight or less but exceeding 0 parts by weight based on 100 parts by weight of the magnesium, and to a method of manufacturing the same.

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Номер записи: 4
23-02-2012 дата публикации

Coated silver nanoparticles and manufacturing method therefor

Номер: US20120043510A1
Автор: Masaomi Sakamoto, Masato Kurihara
Принадлежит: Yamagata University NUC

The present invention provides coated silver nanoparticles for use as an electrically conductive material capable of sintering at lower temperatures that is able to be used even with flexible printed substrates having low heat resistance, and a manufacturing method therefor. The coated silver nanoparticles of the present invention have a mean particle diameter of 30 nm or less and are coated with protective molecules amine, and are characterized in that the weight loss rate when heated to 160° C. in thermogravimetric measurement is 30% or more. The coated silver nanoparticles of the present invention are also characterized in that a silver-colored sintered film can be formed by sintering at a temperature of 100° C. or lower for 1 hour or less. These coated silver nanoparticles are manufactured by mixing a silver compound that forms metallic silver when decomposed by heating, an alkylamine and an alkyldiamine to prepare a complex compound, and by thermally decomposing the silver compound by heating the complex compound.

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Номер записи: 5
01-03-2012 дата публикации

Buffer Layer to Enhance Photo and/or Laser Sintering

Номер: US20120049384A1
Автор: Mohshi Yang, Peter B. Laxton, Zvi Yaniv
Принадлежит: Ishihara Chemical Co Ltd

Conductive lines are deposited on a substrate to produce traces for conducting electricity between electronic components. A patterned metal layer is formed on the substrate, and then a layer of material having a low thermal conductivity is coated over the patterned metal layer and the substrate. Vias are formed through the layer of material having the low thermal conductivity thereby exposing portions of the patterned metal layer. A film of conductive ink is then coated over the layer of material having the low thermal conductivity and into the vias to thereby coat the portions of the patterned metal layer, and then sintered. The film of conductive ink coated over the portion of the patterned metal layer does not absorb as much energy from the sintering as the film of conductive ink coated over the layer of material having the low thermal conductivity. The layer of material having the low thermal conductivity may be a polymer, such as polyimide.

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Номер записи: 6
15-03-2012 дата публикации

Article for magnetic heat exchange and method of fabricating an article for magnetic heat exchange

Номер: US20120061066A9
Автор: Matthias Katter, Volker Zellmann
Принадлежит: Vacuumschmelze GmbH and Co KG

An article for magnetic heat exchange comprising a magnetocalorically active phase with a NaZn 13 -type crystal structure is provided by hydrogenating a bulk precursor article. The bulk precursor article is heated from a temperature of less than 50° C. to at least 300° C. in an inert atmosphere and hydrogen gas only introduced when a temperature of at least 300° C. is reached. The bulk precursor article is maintained in a hydrogen containing atmosphere at a temperature in the range 300° C. to 700° C. for a selected duration of time, and then cooled to a temperature of less than 50° C.

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Номер записи: 7
15-03-2012 дата публикации

Method of Making Porous Metal Articles

Номер: US20120065739A1
Автор: Joseph A. Grohowski, Jr.
Принадлежит: Praxis Powder Technology Inc

In one embodiment, the present invention may be a method of making a porous biocompatible metal article by combining a metal powder with a homogenizing aid to form metal granules, including blending the metal granules and an extractable particulate to form a composite, forming the composite into a green article, removing the extractable particulate from the green article to form a metal matrix and pore structure, and sintering the metal matrix and pore structure. Furthermore the present invention may include a second homogenizing aid combined with the extractable particulate. The present invention also includes shaping the metal matrix and pore structure with or without the use of a binder.

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Номер записи: 8
29-03-2012 дата публикации

Metal injection molding process and components formed therewith

Номер: US20120073303A1
Автор: Michael John Mccarren, Michael William Peretti, Stephen William Freund
Принадлежит: General Electric Co

A process of producing a metallic component having a desired shape that includes at least one nonuniform section, as well as metallic components produced by such a process. The process uses a composition containing a mixture of a polymeric binder and a metal powder that includes particles of an alloy having a reactive element that renders the alloy uncastable. The composition is metal injection molded to yield a green compact having a shape corresponding to the shape of the metallic component, including its at least one nonuniform section. A majority of the binder is then removed from the green compact, and then the green compact is sintered to remove a remainder of the binder and fuse particles of the metal powder together to form the metallic component and the nonuniform section thereof.

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Номер записи: 9
29-03-2012 дата публикации

magnetic material

Номер: US20120076684A1
Автор: James W. Herchenroeder, Zhongmin Chen
Принадлежит: Magnequench International LLC

There is disclosed a magnetic material having a composition in atomic percentage of: (MM 1-a R a ) u Fe 100-u-v-w-x-y Y v M w T x B y wherein MM is a mischmetal or a synthetic equivalent thereof; R is Nd, Pr or a combination thereof; Y is a transition metal other than Fe; M is one or more of a metal selected from Groups 4 to 6 of the periodic table; and T is one or more of a metal other than B, selected from Groups 11 to 14 of the periodic table, wherein 0≦a≦1, 7≦u≦13, 0≦v≦20, 0≦w≦5; 0≦x≦5 and 4≦y≦12.

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Номер записи: 10
05-04-2012 дата публикации

Process For Manufacturing Agglomerated Particles Of Tantalum, Mixed Tantalum Powder And Process For Manufacturing Same, Tantalum Pellet And Process For Manufacturing Same, And Capacitor

Номер: US20120081840A1
Автор: Eiji Kataoka, John KOENITZER, Ryosuke Matsuoka, Sridhar Venigalla, Yoshikazu Noguchi
Принадлежит: Cabot Corp

A method for producing agglomerated tantalum particles, comprising: a step for grinding secondary tantalum particles, which are obtained by reducing a tantalum salt, and adding water thereto to give a water-containing mass; a step for drying said water-containing mass to give a dry mass; a step for sieving said dry mass to give spherical particles; and a step for heating said spherical particles. A mixed tantalum powder comprising a mixture of agglomerated tantalum particles (X) with agglomerated tantalum particles (Y), wherein said agglomerated tantalum particles (X) show a cumulative percentage of particles with particle size of 3 μm or less of 5 mass % or less after 25 W ultrasonic radiation for 10 min, while said agglomerated tantalum particles (Y) show a cumulative percentage of particles with particle size of 3 μm or less of 10 mass % or more after 25 W ultrasonic radiation for 10 min.

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Номер записи: 11
12-04-2012 дата публикации

Collimators and methods for manufacturing collimators for nuclear medicine imaging systems

Номер: US20120085942A1
Автор: Yaron Hefetz, Yossi Birman
Принадлежит: Individual

Collimators and methods for manufacturing collimators for nuclear medicine (NM) imaging systems are provided. One method includes forming a plurality of collimator segments from powdered tungsten, wherein the plurality of collimator segments have opposing faces with edges therebetween. The method also includes sintering the powdered tungsten segments and joining the plurality of sintered powdered tungsten segments at least at one or more of the edges to form the collimator for the NM imaging system.

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Номер записи: 12
26-04-2012 дата публикации

Diamond bonded construction with thermally stable region

Номер: US20120097458A1
Автор: Benjamin Randall, Feng Yu, Georgiy Voronin, J. Daniel Belnap
Принадлежит: Smith International Inc

Diamond bonded constructions comprise a polycrystalline diamond body having a matrix phase of bonded-together diamond grains and a plurality of interstitial regions between the diamond grains including a catalyst material used to form the diamond body disposed within the interstitial regions. A sintered thermally stable diamond element is disposed within and bonded to the diamond body, and is configured and positioned to form part of a working surface. The thermally stable diamond element is bonded to the polycrystalline diamond body, and a substrate is bonded to the polycrystalline diamond body. The thermally stable diamond element comprises a plurality of bonded-together diamond grains and interstitial regions, wherein the interstitial regions are substantially free of a catalyst material used to make or sinter the thermally stable diamond element. A barrier material may be disposed over or infiltrated into one or more surfaces of the thermally stable diamond element.

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Номер записи: 13
03-05-2012 дата публикации

Coated conductive particles and method for producing same

Номер: US20120104333A1
Автор: Kenji Takai, Mitsuharu Matsuzawa, Yoshinori Ejiri, Yuuko Nagahara
Принадлежит: Hitachi Chemical Co Ltd

[Problem to be Solved] To provide conductive particles which are capable of providing an anisotropically conductive adhesive that can maintain sufficient insulation characteristics and conduction characteristics even when used for the connection of a very small circuit, while having excellent moisture absorption resistance at a lower cost. [Solution] A coated conductive particle ( 5 ) comprises: a composite conductive particle ( 3 ) that has a resin particle ( 4 ) and a metal layer ( 6 ) that covers the resin particle ( 4 ); and insulating fine particles ( 1 ) that are provided on the outer side of the metal layer ( 6 ) so as to partially cover the surface of the metal layer ( 6 ). The metal layer ( 6 ) has a nickel-palladium alloy plating layer ( 6 a ).

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Номер записи: 14
03-05-2012 дата публикации

Method for producing decorative metallic article with wood grain metal pattern, and decorative metallic article with wood grain metal pattern

Номер: US20120107561A1
Автор: Akiyoshi Yatsugi, Hidekazu Yoshihara, Masashi Hirama, Ryota Mitsuhashi, Tomoaki Kasukawa
Принадлежит: Aida Chemical Industries Co Ltd

Provided are a method for producing a decorative metallic article with a wood grain metal pattern and the decorative metallic article with the wood grain metal pattern; the decorative metallic article comprising a sintered copper part produced by sintering a plastic copper containing clay compound, and a sintered silver part produced by sintering a plastic silver containing clay compound. The method comprises: a plate forming step of forming a copper plate and a silver plate; a multi layering and adhesion step of mutually laminating the copper and silver plates one another by applying water to the surfaces of the plates, and elongating the laminated plates so that a thickness thereof decreases in 10% or more, thereby to adhesively paste together; a wood grain metal plate forming step of forming a wood grain pattern by carving the surface of the multi layered plate produced in the multi layering and adhesion step so as to expose at least a part of the plurality of plate layers, and elongating the surface of the multi layered plate to become flat; a decorative object forming step of forming a decorative object by using the prepared wood grain metal plate; a decorative object drying step of drying the decorative object; and a sinter producing step of sintering the decorative object produced in the decorative object drying step, thereby to obtain the decorative metallic article.

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Номер записи: 15
10-05-2012 дата публикации

Wear resistant lead free alloy sliding element method of making

Номер: US20120114971A1
Автор: Daniel Meister, David Saxton, Gerd Andler, Ing Holger Schmitt, James R. Toth
Принадлежит: Individual

A sliding element 20 , such as a bushing or bearing, includes a sintered powder metal base 24 deposited on a steel backing 22 . The base 24 includes a tin, bismuth, first hard particles 40 , such as Fe 3 P and MoSi 2 , and a balance of copper. In one embodiment, a tin overplate 26 is applied to the base 24 . A nickel barrier layer 42 can be disposed between the base 24 and the tin overplate 26 , and a tin-nickel intermediate layer 44 between the nickel bather layer 42 and the tin overplate 26 . In another embodiment, the sliding element 20 includes either a sputter coating 30 of aluminum or a polymer coating 28 disposed directly on the base 24 . The polymer coating 28 includes second hard particles 48 , such as Fe 2 O 3 . The polymer coating 28 together with the base 24 provides exceptional wear resistance over time.

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Номер записи: 16
10-05-2012 дата публикации

Method of producing particulate-reinforced composites and composites produced thereby

Номер: US20120115708A1
Автор: Qingyou Han, Zhiwei Liu
Принадлежит: PURDUE RESEARCH FOUNDATION

A process for producing particle-reinforced composite materials through utilization of an in situ reaction to produce a uniform dispersion of a fine particulate reinforcement phase. The process includes forming a melt of a first material, and then introducing particles of a second material into the melt and subjecting the melt to high-intensity acoustic vibration. A chemical reaction initiates between the first and second materials to produce reaction products in the melt. The reaction products comprise a solid particulate phase, and the high-intensity acoustic vibration fragments and/or separates the reaction products into solid particles that are dispersed in the melt and are smaller than the particles of the second material. Also encompassed are particle-reinforced composite materials produced by such a process.

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Номер записи: 17
17-05-2012 дата публикации

Conductor paste for rapid firing

Номер: US20120121798A1
Автор: Kazuhisa Hirao, Ken-Ichi Sugimura
Принадлежит: Noritake Co Ltd

The present invention provides a conductor paste for rapid firing that is applied to a ceramic green sheet and is fired along with the green sheet under high-rate temperature rise conditions at a high heating rate of at least 600° C./hr from room temperature to the maximum firing temperature. The paste includes as a conductor-forming powder material: a conductive metallic powder comprising, as a main component, nickel powder; and barium titanate ceramic powder with a mean particle diameter of 10 nm to 80 nm as an additive. The ceramic powder content is 5 to 25 mass parts per 100 mass parts of the conductive metallic powder.

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Номер записи: 18
24-05-2012 дата публикации

Carbon molds for use in the fabrication of bulk metallic glass parts and molds

Номер: US20120125071A1
Автор: Golden Kumar, Jan Schroers, Marc Madou, Rodrigo Martinez-Duarte
Принадлежит: UNIVERSITY OF CALIFORNIA, YALE UNIVERSITY

Novel molds and methods for Bulk Metallic Glass (BMG) molding using carbon templates obtained from pyrolyzed materials are provided. The method employs the Carbon MEMS (C-MEMS) technique to derive molds of different geometries and dimensions. The resultant carbon structures are stable at very high temperatures and have sufficient mechanical strength to be used as master molds for the thermoplastic forming of BMGs.

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Номер записи: 19
24-05-2012 дата публикации

Components for exhaust system, methods of manufacture thereof and articles comprising the same

Номер: US20120128522A1
Автор: Leonid I. Frayman, Thomas E. Haberberger, Thomas J. Cornelio
Принадлежит: Alpha Sintered Metals Inc

Disclosed herein is a sintered composition comprising iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; and wherein the composition is sintered. Disclosed herein too is a method comprising blending a powdered composition that comprises iron; about 0.05 to about 1 wt % molybdenum; about 3 to about 4.5 wt % silicon; about 0.05 to about 0.5 wt % chromium; about 0.011 to about 0.015 wt % magnesium; all weight percents being based on the total weight of the composition; the composition being devoid of carbon except for trace amounts; compacting and sintering the composition.

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Номер записи: 20
14-06-2012 дата публикации

Nanowire preparation methods, compositions, and articles

Номер: US20120148861A1
Автор: David R. Whitcomb, Doreen C. Lynch, William D. Ramsden
Принадлежит: Individual

Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.

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Номер записи: 21
21-06-2012 дата публикации

Bulk Nanocomposite Magnets and Methods of Making Bulk Nanocomposite Magnets

Номер: US20120153212A1
Автор: J. Ping Liu
Принадлежит: University of Texas at Arlington

The present invention relates to bulk magnetic nanocomposites and methods of making bulk magnetic nanocomposites.

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Номер записи: 22
12-07-2012 дата публикации

METHOD AND SYSTEM FOR PRODUCING SINTERED NdFeB MAGNET, AND SINTERED NdFeB MAGNET PRODUCED BY THE PRODUCTION METHOD

Номер: US20120176212A1
Автор: Masato Sagawa, Michiyasu Asazuma, Shinichi Hayashi, Tetsuhiko Mizoguchi
Принадлежит: Intermetallics Co Ltd

A method and system for producing a slim-shaped sintered NdFeB magnet having a high level of coercive force and high degree of orientation, as well as a sintered NdFeB magnet produced by the aforementioned method or system. A system for producing a slim-shaped sintered NdFeB magnet according to the present invention includes: a filling unit and filling alloy powder; an orienting unit; a sintering furnace; and a conveying unit. The orienting unit is provided with a heating and orienting coil for heating the alloy powder in the molds before and/or after the application of the magnetic field so as to decrease the coercive force of the individual particles of the alloy powder.

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Номер записи: 23
12-07-2012 дата публикации

Bearing steels

Номер: US20120177527A1
Автор: Aidan Michael Kerrigan, Henrik Karlsson, Mohamed Sherif
Принадлежит: SKF AB

There is provided a novel bearing steel composition and a method of forming a bearing. The bearing steel composition comprises: Carbon 0.4 to 0.8 wt %; Nitrogen 0.1 to 0.2 wt %; Chromium 12 to 18 wt %; Molybdenum 0.7 to 1.3 wt %; Silicon 0.3 to 1 wt %; Manganese 0.2 to 0.8 wt %; and Iron 78 to 86.3 wt %.

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Номер записи: 24
19-07-2012 дата публикации

Permanent magnet and manufacturing method thereof

Номер: US20120181476A1
Автор: Izumi Ozeki, Katsuya Kume, Keisuke Hirano, Keisuke Taihaku, Takashi Ozaki, Tomohiro Omure, Toshinobu Hoshino
Принадлежит: Nitto Denko Corp

There are provided a permanent magnet and a manufacturing method thereof capable of efficiently concentrating traces of Dy or Tb in grain boundaries of the magnet and sufficiently improving coercive force due to Dy or Tb while reducing amount of Dy or Tb to be used. To fine powder of milled neodymium magnet material is added an organometallic compound solution containing an organometallic compound expressed with a structural formula of M-(OR) x (M represents Dy or Tb, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, x represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the neodymium magnet powder. Thereafter, a compact body compacted through powder compaction is held for several hours in hydrogen atmosphere at 200 through 900 degrees Celsius for a hydrogen calcination process. Thereafter, through sintering process, the compact body is formed into a permanent magnet.

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Номер записи: 25
26-07-2012 дата публикации

Methods of forming molybdenum sputtering targets

Номер: US20120189483A1
Автор: Brad Lemon, David G. Schwarz, David Meendering, Gary Rozak, James G. Daily, III, Jerome O&#39;Grady, Joseph Hirt, Peter R. Jepson, Prabhat Kumar, Richard Wu, Steven A. Miller, Timothy Welling
Принадлежит: Individual

In various embodiments, tubular sputtering targets are produced by forming a tubular billet at least by pressing molybdenum powder in a mold and sintering the pressed molybdenum powder, working the tubular billet to form a worked billet, and heat treating the worked billet.

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Номер записи: 26
06-09-2012 дата публикации

Apparatus and method for producing a three-dimensional object

Номер: US20120223059A1
Автор: Ulf Ackelid
Принадлежит: ARCAM AB

The invention concerns an apparatus for producing a three-dimensional object layer by layer using a powdery material which can be solidified by irradiating it with an energy beam, said apparatus comprising an electron gun for generating said energy beam and a working area onto which the powdery material is distributed and over which the energy beam sweeps during irradiation. The invention is characterized in that the apparatus is provided with a system for feeding controlled amounts of a reactive gas into the apparatus such as to contact the reactive gas with material positioned on the working area, said reactive gas being capable of, at least when having been exposed to the energy beam, reacting chemically and/or physically with the material positioned on the working area. The invention also concerns a method for operating an apparatus of the above type.

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Номер записи: 27
04-10-2012 дата публикации

Metallic part provided with fibrous reinforcements and having a bevelled edge

Номер: US20120251744A1
Автор: Gilles Klein, Jean-Michel Franchet, Patrick Dunleavy, Richard Masson
Принадлежит: Messier Bugatti Dowty SA

The invention relates to a mechanical part made from a metal preform presenting at least one housing ( 5 ) that extends longitudinally relative to a preferred direction for the application of forces to the mechanical part in service, and into at least one piece of fiber reinforcement is inserted and then bonded to the blank by hot isostatic compression, wherein the piece of fiber reinforcement ( 10 ) presents a chamfered end ( 12 ).

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Номер записи: 28
18-10-2012 дата публикации

Methods for making aluminum nitride armor bodies

Номер: US20120263620A1
Автор: John Carberry
Принадлежит: Schott Corp

A method of making aluminum nitride armor bodies is provided. The method starts with low cost bulk raw material, in the form of aluminum or aluminum alloy, cryogenically mills the raw material into a precursor powder, which is essentially free of oxides and other undesirable impurities. The precursor powder is formed into a pre-form using low cost, short residence time molding processes. Finally, the pre-form is exposed to a nitriding process to convert the pre-form into the aluminum nitride armor body. In this manner, the method avoids the use of high cost aluminum nitride as a starting material and avoids the need for the high cost, single axis densification processes of the prior art.

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Номер записи: 29
25-10-2012 дата публикации

Method for production of titanium welding wire

Номер: US20120269671A1
Автор: Kevin Dring
Принадлежит: Individual

A process for producing a weldable titanium or titanium alloy wire characterised in that full consolidation of the wire is achieved via solid-state processing entailing compaction, extrusion, and rolling, whereby melting of the constituent titanium sponge particles does not occur.

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Номер записи: 30
15-11-2012 дата публикации

Rare earth nanoparticles

Номер: US20120288535A1
Автор: Chittaranjan Patra, Debabrata Mukhopadhyay, Nicholas E. Vlahakis, Priyabrata Mukherjee, Resham Bhattacharya
Принадлежит: Mayo Foundation for Medical Education and Research

This document provides methods and materials related to rare earth particles such as rare earth nanorods (e.g., inorganic lanthanide hydroxide nanorods). For example, rare earth (e.g., lanthanide) particles such as europium hydroxide nanorods, methods and materials for making rare earth particles (e.g., europium hydroxide nanorods), and methods and materials for using rare earth particles (e.g., europium hydroxide nanorods) as an imaging agent and/or to promote angiogenesis are provided.

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Номер записи: 31
15-11-2012 дата публикации

Composite system

Номер: US20120289395A1
Автор: Robert G. Lee
Принадлежит: Individual

A multiphase composite system is made by binding hard particles, such as TiC particles, of various sizes with a mixture of titanium powder and aluminum, nickel, and titanium in a master alloy or as elemental materials to produce a composite system that has advantageous energy absorbing characteristics. The multiple phases of this composite system include an aggregate phase of hard particles bound with a matrix phase. The matrix phase has at least two phases with varying amounts of aluminum, nickel, and titanium. The matrix phase forms a bond with the hard particles and has varying degrees of hard and ductile phases. The composite system may be used alone or bonded to other materials such as bodies of titanium or ceramic in the manufacture of ballistic armor tiles.

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Номер записи: 32
15-11-2012 дата публикации

Method for producing nanoparticles

Номер: US20120289401A1
Автор: Hideki Tanaka
Принадлежит: Seiko Epson Corp

A method for producing nanoparticles includes: producing a nanoparticle dispersion ion gel in which a plurality of nanoparticles are dispersed; and dissolving the nanoparticle dispersion ion gel, thereby producing a liquid in which the plurality of nanoparticles are dispersed.

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Номер записи: 33
22-11-2012 дата публикации

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

Номер: US20120295082A1
Автор: Hidekazu Moriyama, Homare Kuribayashi, Koki HIRATA, Masaru Terada, Masaya Shibatani, Minoru Yamada, Naoyuki Toyoda, Taketoshi KAGOSE, Tomohiro Ogawa, Toshiyuki Kobayashi
Принадлежит: Seiko Epson Corp

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.

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Номер записи: 34
22-11-2012 дата публикации

Process for Producing Metallic Components

Номер: US20120295124A1
Автор: Rainer Schuster
Принадлежит: MAN Truck and Bus SE

A process for producing a metallic component with an opening or a hollow space by selective laser sintering or laser melting includes melting a metallic powder in layers at appropriate cross-sectional regions by using laser radiation. After the laser sintering or laser melting process, the component is subjected to a fracture splitting process, in which the component is fractured into at least two fractional parts along a fracture line and then the at least two fractional parts are connected to one another at the sites of fracture to form the component. The fracture line contacts or passes through the opening or the hollow space.

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Номер записи: 35
29-11-2012 дата публикации

White Tungsten Carbide Jewelry Article

Номер: US20120297825A1
Автор: Glenn A. Miller
Принадлежит: Stuller Inc

An improved jewelry article with a brilliant, preferably white, coating securely bonded to a substrate. The coating comprises predominantly chromium and, where a white finish is desired, a platinum group metal, preferably platinum. The substrate comprises predominantly tungsten carbide and a substantial amount of metal, preferably nickel. The coating is applied to the substrate using vapor deposition, such as physical vapor deposition. The metal and especially nickel will facilitate adhesion between the chromium in the coating and the substrate. The vapor deposition will further provide for superior adhesion as compared to traditional plating techniques. The improved jewelry article will maintain the brilliant, preferably white, finish of the coating due to the hard scratch resistant predominantly chromium coating and the improved adhesion between the coating and substrate.

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Номер записи: 36
31-01-2013 дата публикации

Method of controlling the corrosion rate of alloy particles, alloy particle with controlled corrosion rate, and articles comprising the particle

Номер: US20130029886A1
Автор: Michael Johnson, Nicholas Carrejo, Oleg A. Mazyar, Randall Guest, Sean Gaudette, Wayne Furlan, Zhiyue Xu
Принадлежит: Baker Hughes Inc

A composite particle comprises a core, a shielding layer deposited on the core, and further comprising an interlayer region formed at an interface of the shielding layer and the core, the interlayer region having a reactivity less than that of the core, and the shielding layer having a reactivity less than that of the interlayer region, a metallic layer not identical to the shielding layer and deposited on the shielding layer, the metallic layer having a reactivity less than that of the core, and optionally, an adhesion metal layer deposited on the metallic layer.

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Номер записи: 37
14-02-2013 дата публикации

System and method for component material addition

Номер: US20130040074A1
Автор: Dave Keicher, Ed Tucker, Gregory Thomas Krause
Принадлежит: Individual

A system is disclosed for depositing material on a component. The system includes a deposition device operatively coupled to a fiber optic Nd:YAG laser. The deposition device includes a focusing prism that focuses the Nd:YAG laser at a focal area on a bladed disk, where the focal area on the bladed disk is between two blades of the disk. The system further includes an imaging means that views the focal area of the component. The imaging means and the fiber optic Nd:YAG laser each are positioned in a substantially similar optical relationship to the focal area on the bladed disk. The system further includes an additive material delivery means that delivers additive material to the component at the focal area on the component.

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Номер записи: 38
21-02-2013 дата публикации

Injection molding fabrication method

Номер: US20130043615A1
Автор: Billy D. Swearengin, David J. Wills, Jeffrey L. Weigold, Michale E. Waller, Prakash K. Mirchandani
Принадлежит: TDY Industries LLC

A method of forming a composite article by injecting at least two composite materials comprising metal carbides into a mold to form a green compact is disclosed. The composite materials may be metal powders comprising a binder metal, a hard particle. The composite material may further comprise a plastic binder. The two different composite materials are injected into the mold to form the green compact. Additionally, the composite materials may be injected through a die before entering the mold. In a specific embodiment, the die forms at least one internal channel within the green compact.

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Номер записи: 39
07-03-2013 дата публикации

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

Номер: US20130059161A1
Автор: Hidenori Ieda, Kazuro Nagashima, Masayuki Maekawa, Yuji Akimoto
Принадлежит: Individual

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.

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Номер записи: 40
21-03-2013 дата публикации

Thermite compositions from low temperature impact milling

Номер: US20130068353A1
Автор: Dickson Hugus, Edward Dein, Edward Sheridan, Kevin R. Coffey
Принадлежит: Lockheed Martin Corp, University of Central Florida Research Foundation Inc UCFRF

A thermite composition includes at least one composite particle having a convoluted lamellar structure having alternating metal oxide layers including a metal oxide and metal layers including a metal capable of reducing the metal oxide. The metal oxide layers and metal layers both have an average thickness of between 10 nm and 1 μm. Molar proportions of the metal oxide and metal is within 30% of being stoichiometric for a thermite reaction.

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Номер записи: 41
21-03-2013 дата публикации

Titanium alloy complex powder containing ceramic and process for production thereof, consolidated titanium alloy material using this powder and process for production thereof

Номер: US20130071283A1
Автор: Hideo Takatori, Osamu Kano, Satoshi Sugawara
Принадлежит: Toho Titanium Co Ltd

Titanium alloy complex powder is yielded by hydrogenating titanium alloy raw material to generate hydrogenated titanium alloy, grinding and sifting it to obtain hydrogenated titanium alloy powder, adding ceramic powder selected from SiC, TiC, SiO x , TiO x (here, index x is a real number which is in 1≦x≦2) and Al 2 O 3 , and dehydrogenating the mixture of the hydrogenated titanium alloy powder and the ceramic powder. In addition, consolidated titanium alloy material is obtained by CIP process and subsequent HIP process to the titanium alloy complex powder or by HIP process after filling the titanium alloy complex powder into capsule.

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Номер записи: 42
18-04-2013 дата публикации

Low coefficient of thermal expansion cermet compositions

Номер: US20130092449A1
Автор: Anthony Griffo, Dah-Ben Liang, Gregory T. Lockwood, Zhigang Fang
Принадлежит: Smith International Inc

Low coefficient of thermal expansion (CTE) cermet compositions of this invention generally comprise a hard phase material and a ductile phase formed from a binder alloy, wherein the binder alloy is specially designed having a CTE that is closely matched to the hard phase material. Hard phase materials used to form low CTE compositions of this invention are selected from the group of carbides consisting of W, Ti, Mo, Nb, V, Si, Hf, Ta, and Cr carbides. The binder alloy is formed from a mixture of metals selected from the group consisting of Co, Ni, Fe, W, Mo, Ti, Ta, V, Nb, C, B, Cr, and Mn. In a preferred embodiment, low CTE compositions comprises WC as the hard phase material, and a ductile phase binder alloy formed from a mixture of Fe, Co, and Ni. The so-formed low CTE composition has a coefficient of thermal expansion that is less than that of conventional WC—Co at the same temperature and having the same metal content, thereby providing improved resistance to thermal shock and thermal fatigue related failure.

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Номер записи: 43
02-05-2013 дата публикации

Oil-impregnated sintered bearing and method of producing the same

Номер: US20130104400A1
Автор: Teruo Shimizu, Tsuneo Maruyama
Принадлежит: Diamet Corp

An oil-impregnated sintered which does not damage rotating shaft and itself and has a high durability even in the case that the rotating shaft is inclined in the bearing by a large shear load applied thereto, and a method of manufacturing an oil-impregnated sintered bearing which exhibits center deviation-suppressing action of the bearing satisfactorily by accurately forming a bearing hole in an intermediate completely sintered are disclosed.

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Номер записи: 44
30-05-2013 дата публикации

Ceramic, graded resistivity monolith using the ceramic, and method of making

Номер: US20130135078A1
Автор: Mohandas Nayak, Padmaja Parakala, Sudhakar Eddula Reddy, Sundeep Kumar
Принадлежит: General Electric Co

According to one embodiment, a monolithic cassette with graded electrical resistivity is presented. The monolithic cassette has a continuous grain structure between a first end and a second end; wherein electrical resistivity of the monolithic cassette is graded such that the resistance varies continuously from the first end to the second end. Methods and compositions for forming the monolithic cassette are also presented.

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Номер записи: 45
30-05-2013 дата публикации

Solid oxide fuel cell electrode systems and methods

Номер: US20130137012A1
Автор: Brad L. Kirkwood
Принадлежит: Boeing Co

A solid oxide fuel cell (SOFC) interconnect comprises a metal sheet with an air side and a fuel side in accordance with an embodiment of the present invention. The metal sheet comprises a metallic composite having a matrix. The matrix comprises a first metal. The metal sheet also comprises a plurality of discontinuous, elongated, directional reinforcement wires. The reinforcement wires comprise a second metal that is immiscible in the first metal. An oxidation protection layer is disposed on the air side of the metal sheet.

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Номер записи: 46
15-08-2013 дата публикации

Low heat capacity composite for thermal cycler

Номер: US20130210133A1
Автор: Han Oh Park, Jae Ha Kim
Принадлежит: Bioneer Corp

Provided is a low heat capacity composite for a thermal cycler . The low heat capacity composite of the present invention is a low heat capacity composite for a thermal cycler capable of overcoming difficulty in manufacture and reproducibility due to uniqueness of the existing PCR thermal cycler only. The low heat capacity composite of the present invention can reduce the cost of raw material and retain excellent heat property due to the improvement in low heat capacity and physical and mechanical properties, thereby remarkably shortening PCR reaction time and saving energy when used as a thermal block for a thermal cycler.

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Номер записи: 47
22-08-2013 дата публикации

Sintered body, sputtering target and molding die, and process for producing sintered body employing the same

Номер: US20130213801A1
Автор: Hitoshi Nagayama, Kenichi Itoh, Masami Mesuda, Shunsuke Yatsunami, Tetsuo Shibutami
Принадлежит: Individual

Provided is an apparatus that includes a molding die for producing a sintered body. The molding die is configured for cold isostatic pressing and includes a knockdown mold frame comprised of plural frame members and a bottom plate provided in contact with the knockdown mold frame. An upper punch is provided to be movable along the inner surface of the knockdown mold frame. The frame members configured to be movable relative to each other to accommodate an expansion of a green body which takes place at the time of reducing the pressure after the completion of pressing.

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Номер записи: 48
22-08-2013 дата публикации

Starting material for a sintered bond and process for producing the sintered bond

Номер: US20130216847A1
Автор: Andrea Feiock, Daniel Wolde-Giorgis
Принадлежит: ROBERT BOSCH GMBH

The invention relates to a starter material for a sintering compound, said starter material comprising first particles of at least one metal having a first coating which is applied to the first particles and consists of an organic material, and second particles which contain an organic metal compound and/or a precious metal oxide, the organic metal compound and/or the precious metal oxide being converted during heat treatment of the starter material into the fundamental elemental metal and/or precious metal. The invention is characterized in that the second particles have a core of at least one metal and a second coating which is applied to the core and contains the organic metal compound and/or precious metal oxide. Furthermore, the first coating contains a reducing agent by means of which the organic metal compound and/or the precious metal oxide is/are reduced to the elemental metal and/or precious metal at a temperature below the sintering temperature of the elemental metal and/or precious metal.

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Номер записи: 49
29-08-2013 дата публикации

Lubricant system for use in powder metallurgy

Номер: US20130224060A1
Автор: Francis G. Hanejko, William Tambussi
Принадлежит: Hoeganaes Corp

The present invention is directed to metallurgical powder compositions having improved lubricant properties. These compositions of the invention include at least 90 wt. % of an iron-based metallurgical powder; a Group 1 or Group 2 metal stearate; a first wax having a melting range of between about 80 and 100° C.; a second wax having a melting range of between about 80 and 90° C.; inc phosphate; boric acid; acetic acid; phosphoric acid; and polyvinylpyrrolidone. Methods of compacting the compositions, as well as compacted articles prepared using those methods, are also described.

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Номер записи: 50
05-09-2013 дата публикации

Method of forming an object using powder injection molding

Номер: US20130231427A1
Автор: Su Xia Zhang, Tao Li, Yonghui Bai, Zi Yan Ong
Принадлежит: Agency for Science Technology and Research Singapore

A method of forming an object by powder injection molding, the object being formed from an injection molded integral body comprising a green part contiguous with an expendable part, the method comprising debinding the integral body at step 18 to obtain a debound green part contiguous with a debound expendable part; sintering the debound green part at step 20 at a sintering temperature, the debound expendable part configured to at least partially define the debound green part and has a melting point higher than the sintering temperature; and separating the debound expendable part from the sintered debound green part at step 22 to form the object.

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Номер записи: 51
12-09-2013 дата публикации

Collimator for x-ray, gamma, or particle radiation

Номер: US20130235981A1
Автор: Dirk Handtrack, Gerhard Leichtfried, Heinrich Kestler
Принадлежит: Plansee Se

A collimator for x-ray, gamma, or particle radiation has a plurality of collimator elements made of a tungsten-containing material to reduce scattered radiation. At least one collimator element consists of a tungsten alloy having a tungsten content of 72 to 98 wt.-%, which contains 1 to 14 wt.-% of at least one metal of the group Mo, Ta, Nb and 1 to 14 wt.-% of at least one metal of the group Fe, Ni, Co, Cu. The collimator also has very homogeneous absorption behavior at very thin wall thicknesses of the collimator elements.

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Номер записи: 52
26-09-2013 дата публикации

Nano-structured refractory metals, metal carbides, and coatings and parts fabricated therefrom

Номер: US20130251900A1
Автор: Alfred A. Zinn
Принадлежит: Lockheed Martin Corp

Refractory metal and refractory metal carbide nanoparticle mixtures and methods for making the same are provided. The nanoparticle mixtures can be painted onto a surface to be coated and heated at low temperatures to form a gas-tight coating. The low temperature formation of refractory metal and refractory metal carbide coatings allows these coatings to be provided on surfaces that would otherwise be uncoatable or very difficult to coat, whether because they are carbon-based materials (e.g., graphite, carbon/carbon composites) or temperature sensitive materials (e.g., materials that would melt, oxidize, or otherwise not withstand temperatures above 800° C.), or because the high aspect ratio of the surface would prevent other coating methods from being effective (e.g., the inner surfaces of tubes and nozzles). The nanoparticle mixtures can also be disposed in a mold and sintered to form fully dense components.

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Номер записи: 53
03-10-2013 дата публикации

Process for Producing Silver Nanowires and Agent for Controlling Growth of Silver Nanowires

Номер: US20130255444A1
Автор: Tomoaki Kawaguchi, Toshiyuki Hasegawa
Принадлежит: Seiko PMC Corp

Provided is a process for silver nanowire production in which the major-axis length of the silver nanowires can be controlled in a wide range and an agent for controlling the growth of silver nanowires. A process for silver nanowire production which is characterized in that an agent for controlling the growth of silver nanowires which comprises a polymer obtained by polymerizing one or more polymerizable monomers comprising an N-substituted (meth)acrylamide is reacted with a silver compound in a polyol at 25-180° C. The agent for controlling the growth of silver nanowires is characterized by comprising a polymer which has units of an N-substituted (meth)acrylamide as a polymerizable monomer.

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Номер записи: 54
10-10-2013 дата публикации

Magnet Recycling

Номер: US20130263699A1
Автор: Allan Walton, Andrew Williams, Ivor Rex Harris, John D. Speight
Принадлежит: UNIVERSITY OF BIRMINGHAM

The present invention discloses a method for recovering rare earth particulate material from an assembly comprising a rare earth magnet and comprises the steps of exposing the assembly to hydrogen gas to effect hydrogen decrepitation of the rare earth magnet to produce a rare earth particulate material, and separating the rare earth particulate material from the rest of the assembly. The invention also resides in an apparatus for separating rare earth particulate material from an assembly comprising a rare earth magnet. The apparatus comprises a reaction vessel having an opening which can be closed to form a gas-tight seal, a separator for separating the rare earth particulate material from the assembly, and a collector for collecting the rare earth particulate material. The reaction vessel is connected to a vacuum pump and a gas control system, and the gas control system controls the supply of hydrogen gas to the reaction vessel.

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Номер записи: 55
14-11-2013 дата публикации

Composite soft magnetic material having low magnetic strain and high magnetic flux density, method for producing same, and electromagnetic circuit component

Номер: US20130298730A1
Автор: Hiroaki Ikeda, Hiroshi Tanaka, Kazunori Igarashi
Принадлежит: Diamet Corp, Mitsubishi Materials Corp

A composite soft magnetic material having low magnetostriction and high magnetic flux density contains: pure iron-based composite soft magnetic powder particles that are subjected to an insulating treatment by a Mg-containing insulating film or a phosphate film; and Fe—Si alloy powder particles including 11%-16% by mass of Si. A ratio of an amount of the Fe—Si alloy powder particles to a total amount is in a range of 10%-60% by mass. A method for producing the composite soft magnetic material comprises the steps of: mixing a pure iron-based composite soft magnetic powder, and the Fe—Si alloy powder in such a manner that a ratio of the Fe—Si alloy powder to a total amount is in a range of 10%-60%; subjecting a resultant mixture to compression molding; and subjecting a resultant molded body to a baking treatment in a non-oxidizing atmosphere.

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Номер записи: 56
26-12-2013 дата публикации

Material with high resistance to wear

Номер: US20130343944A1
Автор: Devrim Caliskanoglu, Gert Kellezi
Принадлежит: Boehler Edelstahl GmbH and Co KG

Material and method for the production of material with isotropic, mechanical properties and improved wear resistance and high hardness potential. Method includes producing in a powder metallurgical (PM) method a slug or ingot from a material of ledeburite tool steel alloy, and subjecting one of the slug or ingot or a semi-finished product produced from the slug or ingot to full annealing at a temperature of over 1100° C., but at least 10° C. below the fusing temperature of the lowest melting structure phase with a duration of over 12 hrs. In this manner, an average carbide phase size of the material is increased by at least 65%, a surface shape of the material is rounded and a matrix is homogenized. Method further includes subsequently processing the material into thermally tempered tools with high wear resistance occurs or into parts to which abrasive stress is applied.

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Номер записи: 57
26-12-2013 дата публикации

Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy

Номер: US20130343946A1
Автор: Hiroshi Nagata, Masato Sagawa, Osamu Itatani
Принадлежит: Intermetallics Co Ltd

A method for manufacturing a sintered rare-earth magnet having a magnetic anisotropy, in which a very active powder having a small grain size can be safely used in a low-oxidized state. A fine powder as a material of the sintered rare-earth magnet having a magnetic anisotropy is loaded into a mold until its density reaches a predetermined level. Then, in a magnetic orientation section, the fine powder is oriented by a pulsed magnetic field. Subsequently, the fine powder is not compressed but immediately sintered in a sintering furnace. A multi-cavity mold for manufacturing a sintered rare-earth magnet having an industrially important shape, such as a plate magnet or an arched plate magnet, may be used.

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Номер записи: 58
02-01-2014 дата публикации

Negative electrode active material for electric device, negative electrode for electric device and electric device

Номер: US20140001401A1
Автор: Manabu Watanabe, Masao Yoshida, Osamu Tanaka
Принадлежит: Nissan Motor Co Ltd

A negative electrode active material for an electric device includes an alloy containing silicon in a range from 27% by mass to 100% by mass exclusive, aluminum in a range from 0% by mass to 73% by mass exclusive, niobium in a range from 0% by mass to 58% by mass exclusive, and inevitable impurities as a residue. The negative electrode active material can be obtained with a multi DC magnetron sputtering apparatus by use of, for example, silicon, aluminum and niobium as targets. An electric device using the negative electrode active material can achieve a high cycle property while keeping a high discharge property.

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Номер записи: 59
20-03-2014 дата публикации

METHOD FOR TREATING Cu THIN SHEET

Номер: US20140079891A1
Автор: Naokuni Muramatsu, Shoju Aoshima
Принадлежит: NGK Insulators Ltd

A method for treating a Cu thin sheet is provided. The method comprises the steps of: supplying a slurry in which a diffusion bonding aid (DBA), such as Ni powder, and a reinforcing material (RM), such as a carbide base metal compound, are dispersed in a solvent to a predetermined portion on a Cu or Cu base alloy thin sheet, drying the supplied slurry, and applying a laser to induce melting, solidification, and fixation, so as to form a buildup layer. In the method, the weight ratio of DBA to RM is specified to be 80:20 to 50:50, and the median diameters D 50 of both DBA and RM employed fall within 0.1 to 100 μm, the median diameter D 50 of DBA is larger than the median diameter D 50 of RM, and both the distribution ratio D 90 /D 10 of DBA and the distribution ratio D 90 /D 10 of RM are 4.0 or less.

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Номер записи: 60
27-03-2014 дата публикации

Negative electrode active material for electric device

Номер: US20140086792A1
Автор: Manabu Watanabe, Masao Yoshida, Osamu Tanaka
Принадлежит: Nissan Motor Co Ltd

The negative electrode active material for an electric device of the present invention has an alloy containing Si in a range from 12% by mass or more to less than 100% by mass, Sn in a range from more than 0% by mass to 45% by mass or less, Al in a range from more than 0% by mass to 43% by mass or less, and indispensable impurities as remains. The negative electrode active material can be obtained, for example, using a multiple DC magnetron sputtering apparatus with Si, Sn and Al as targets. Electric devices to which the negative electrode active material of the present invention is applied have an improved cycle life and are excellent in the capacity and cycle durability.

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Номер записи: 61
10-04-2014 дата публикации

Electrode material for aluminum electrolytic capacitor, and process for producing same

Номер: US20140098460A1
Автор: Masashi Mehata, Toshifumi Taira
Принадлежит: Toyo Aluminum KK

The present invention provides an electrode material for an aluminum electrolytic capacitor, which does not require any etching treatment and which has improved bending strength. Specifically, the present invention provides an electrode material for an aluminum electrolytic capacitor, which comprises, as constituent elements, a sintered body of a powder of at least one member selected from the group consisting of aluminum and aluminum alloys and an aluminum foil substrate that supports the sintered body thereon, which is characterized in that (1) the powder has an average particle size D 50 of 0.5 to 100 μm, (2) the sintered body is formed on one surface or both surfaces of the aluminum foil substrate and has a total thickness of 20 to 1,000 μm, and (3) the aluminum foil substrate has a thickness of 10 to 200 μm and an Si content of 10 to 3,000 ppm.

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Номер записи: 62
07-01-2021 дата публикации

Three-dimensional printing

Номер: US20210001401A1
Автор: David A Champion, James Mckinnell, Mohammed S Shaarawi, Vladek Kasperchik
Принадлежит: Hewlett Packard Development Co LP

In an example of a method for three-dimensional (3D) printing, build material layers are patterned to form an intermediate structure. During patterning, a binding agent is selectively applied to define a patterned intermediate part. Also during patterning, i) the binding agent and a separate agent including a gas precursor are, or ii) a combined agent including a binder and the gas precursor is, selectively applied to define a build material support structure adjacent to at least a portion of the patterned intermediate part. The intermediate structure is heated to a temperature that activates the gas precursor to create gas pockets in the build material support structure.

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Номер записи: 63
07-01-2021 дата публикации

NITROGEN SOLID SOLUTION TITANIUM SINTERED COMPACT AND METHOD FOR PRODUCING SAME

Номер: US20210001405A1
Автор: KONDOH Katsuyoshi
Принадлежит:

An nitrogen solid solution titanium sintered compact includes a matrix made of a titanium component having an α-phase, nitrogen atoms dissolved as a solute of solid solution in a crystal lattice of the titanium component, and metal atoms dissolved as a solute of solid solution in the crystal lattice of the titanium component. 115-. (canceled)16. A nitrogen solid solution titanium sintered compact comprising:a matrix made of a titanium component having an α-phase;nitrogen atoms dissolved as a solute of solid solution in a crystal lattice of a hexagonal close-packed structure of said titanium component; andmetal atoms dissolved as a solute of solid solution in the crystal lattice of a hexagonal close-packed structure of said titanium component.17. The nitrogen solid solution titanium sintered compact according to claim 16 , whereina compound of said titanium component and said metal atoms exceeding a solid solubility limit of dissolving into the α-phase is dispersed in said matrix.18. The nitrogen solid solution titanium sintered compact according to claim 16 , wherein a metal of said metal atoms is a metal selected from the group consisting of Al claim 16 , Si claim 16 , Cr claim 16 , V claim 16 , Mo claim 16 , Ta claim 16 , and Zr.19. A nitrogen solid solution titanium material sintered compact comprising:a matrix made of a titanium component having an α-phase;nitrogen atoms dissolved as a solute of solid solution in a crystal lattice of a hexagonal close-packed structure of said titanium component; anda metal component that is present by being dispersed in said matrix.20. The nitrogen solid solution titanium sintered compact according to claim 19 , wherein said metal component is made of metal atoms that are deposited in said matrix.21. The nitrogen solid solution titanium sintered compact according to claim 19 , wherein said metal component is a compound of metal atoms and said titanium component.22. The nitrogen solid solution titanium sintered compact according ...

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Номер записи: 64
07-01-2021 дата публикации

COMPOSITION

Номер: US20210001546A1
Автор: Hower Jason, Kasperchik Vladek, McKinnell James, Monroe Michael G., Shaarawi Mohammed S.
Принадлежит:

An example of a composition includes a host metal present in an amount ranging from about 95.00 weight percent to about 99.99 weight percent, based on a total weight of the composition. A flow additive is present in an amount ranging from about 0.01 weight percent to about 5.00 weight percent, based on the total weight of the composition. The flow additive consists of a metal containing compound that is reducible to an elemental metal in a reducing environment at a reducing temperature less than or equal to a sintering temperature of the host metal. The elemental metal is capable of being incorporated into a bulk metal phase of the host metal in a final metal object. The composition is spreadable, having a Hausner Ratio less than 1.25. 1. A composition , comprising:a host metal present in an amount ranging from about 95.00 weight percent to about 99.99 weight percent, based on a total weight of the composition;a flow additive present in an amount ranging from about 0.01 weight percent to about 5.00 weight percent, based on the total weight of the composition, wherein the flow additive consists of a metal containing compound that is reducible to an elemental metal in a reducing environment at a reducing temperature less than or equal to a sintering temperature of the host metal, wherein the elemental metal is capable of being incorporated into a bulk metal phase of the host metal in a final metal object; andwherein the composition is spreadable, having a Hausner Ratio less than 1.25.2. The composition as defined in wherein the composition is spreadable in a layer having a layer thickness less than 200 micrometers.3. The composition as defined in wherein the reducing environment is an atmosphere of hydrogen gas claim 1 , carbon monoxide gas claim 1 , or mixtures consisting of an inert gas with hydrogen gas or carbon monoxide gas.4. The composition as defined in wherein the composition comprises particles of the host metal and particles of the flow additive.5. The ...

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Номер записи: 65
04-01-2018 дата публикации

METHOD FOR PRODUCING POWDER METAL COMPOSITIONS FOR WEAR AND TEMPERATURE RESISTANCE APPLICATIONS

Номер: US20180001387A1
Автор: "LEsperance Gilles", Beaulieu Philippe, Christopherson, Farthing Leslie John, JR. Denis B., Schoenwetter Todd
Принадлежит:

A powder metal composition for high wear and temperature applications is made by atomizing a melted iron based alloy including 3.0 to 7.0 wt. % carbon; 10.0 to 25.0 wt. % chromium; 1.0 to 5.0 wt. % tungsten; 3.5 to 7.0 wt. % vanadium; 1.0 to 5.0 wt. % molybdenum; not greater than 0.5 wt. % oxygen; and at least 40.0 wt. % iron. The high carbon content reduces the solubility of oxygen in the melt and thus lowers the oxygen content to a level below which would cause the carbide-forming elements to oxidize during atomization. The powder metal composition includes metal carbides in an amount of at least 15 vol. %. The microhardness of the powder metal composition increases with increasing amounts of carbon and is typically about 800 to 1,500 Hv50. 1. A method of forming a powder metal composition , comprising the steps of:providing a melted iron based alloy including 3.0 to 7.0 wt. % carbon, 10.0 to 25.0 wt. % chromium, 1.0 to 5.0 wt. % tungsten, 3.5 to 7.0 wt. % vanadium, 1.0 to 5.0 wt. % molybdenum, not greater than 0.5 wt. % oxygen, and at least 40.0 wt. % iron, based on the total weight of the melted iron based alloy; andatomizing the melted iron based alloy to provide atomized droplets of the iron based alloy.2. The method of including grinding the atomized droplets to remove oxide skin from the atomized droplets.3. The method of claim 1 , wherein the atomizing step includes forming metal carbides in an amount of at least 15 vol. % claim 1 , based on the total volume of the melted iron based alloy.4. The method of claim 3 , wherein the metal carbides are selected from the group consisting of: M8C7 claim 3 , M7C3 claim 3 , M6C claim 3 , wherein M is at least one metal atom and C is carbon.5. The method of claim 4 , wherein M8C7 is (V63Fe37)8C7; M7C3 is selected from the group consisting of: (Cr34Fe66)7C3 claim 4 , Cr3.5Fe3.5C3 claim 4 , and Cr4Fe3C3; and M6C is selected from the group consisting of: Mo3Fe3C claim 4 , Mo2Fe4C claim 4 , W3Fe3C claim 4 , and W2Fe4C.6. ...

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Номер записи: 66
04-01-2018 дата публикации

CARBON-COATED METAL POWDER, CONDUCTIVE PASTE CONTAINING CARBON-COATED METAL POWDER AND MULTILAYER ELECTRONIC COMPONENT USING SAME, AND METHOD FOR MANUFACTURING CARBON-COATED METAL POWDER

Номер: US20180001388A9
Автор: AKIMOTO Yuji, Iwasaki Mineto, Matsuo Akiko, TANAKA Hideki
Принадлежит:

This invention aims at providing a carbon-coated metal powder having few impurities, a narrower particle size distribution, and sintering properties particularly suitable as a conductive powder of a conductive paste for forming internal conductors in a ceramic multilayer electronic component obtained by co-firing multilayered ceramic sheets and internal conductor layers; a conductive paste containing the carbon-coated metal powder; a multilayer electronic component using the conductive paste; and a method for manufacturing the carbon-coated metal powder. The carbon-coated metal powder has specific properties in TMA or ESCA measurements. The carbon-coated metal powder can be obtained by melting and vaporizing a metallic raw material in a reaction vessel, conveying the generated metal vapor into a cooling tube and rapidly cooling the metal vapor by endothermically decomposing a carbon source supplied into the cooling tube, and forming a carbon coating film on metal nuclei surfaces in parallel with generation of the metal nuclei. 2. The carbon-coated metal powder according to claim 1 , wherein when the temperature width of 200° C. giving the Xis taken as not less than T° C. to not more than (T+200)° C. claim 1 , T° C.>400° C.3. The carbon-coated metal powder according to claim 1 , wherein X′ represented by X′ (%)=(X′/X)×100 is 30 or less claim 1 , when X′is a maximum shrinkage percentage in a range of from a room temperature to 400° C.4. The carbon-coated metal powder according to claim 1 , wherein the metal powder includes at least one of nickel and copper.5. A carbon-coated metal powder comprising a nickel-based powder consisting essentially of nickel only or comprising nickel as a main component claim 1 , and a carbon coating film that covers the nickel-based powder claim 1 , wherein{'sup': '2', 'an oxygen content in a weight proportion of an oxygen component to the carbon-coated metal powder of a unit weight is 1500 ppm or less per specific surface area of 1 m/g of ...

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Номер записи: 67
02-01-2020 дата публикации

FABRICATING COMPOSITE METALLIC COMPONENTS

Номер: US20200001368A1
Автор: Heneveld Benjamin, Paulus John, Wagner Joel H.
Принадлежит:

A method of fabricating a composite component is provided. The method includes manufacturing a cast metallic component including a surface and defining an attachment point along the surface, placing a fugitive mold defining an element feature against the surface such that the element feature aligns with the attachment point, filling the element feature with powdered metallic material and heating the cast metallic component and the powdered metallic material to a temperature above a sintering temperature of the powdered metallic material and below a melting temperature of the cast metallic component. 1. A method of fabricating a composite component , the method comprising:manufacturing a cast metallic component comprising a surface and defining an attachment point along the surface;placing a fugitive mold defining an element feature against the surface such that the element feature aligns with the attachment point;filling the element feature with powdered metallic material; andheating the cast metallic component and the powdered metallic material to a temperature above a sintering temperature of the powdered metallic material and below a melting temperature of the cast metallic component.2. The method according to claim 1 , wherein:the attachment point has undercut features, andthe undercut features comprise one or more of dovetails, zig-zags, spirals, curves and multi-directional extrusions.3. The method according to claim 1 , wherein the cast metallic component comprises a fastening element for fastening a sintered element to the cast metallic component at the attachment point.4. The method according to claim 1 , wherein the element feature comprises an opening with protruding undercuts.5. The method according to claim 1 , further comprising:continuing the heating until the powdered metallic material is cured into an element attached to the surface at the attachment point; andremoving a remainder of the fugitive mold following the heating.6. The method according to ...

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Номер записи: 68
03-01-2019 дата публикации

Metal powder atomization manufacturing processes

Номер: US20190001416A1
Автор: Frederic Larouche, Frederic Marion, Matthieu BALMAYER
Принадлежит: AP&C Advanced Powders and Coatings Inc

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.

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Номер записи: 69
05-01-2017 дата публикации

COATING MATERIAL

Номер: US20170002444A1
Автор: "OSULLIVAN MICHAEL", KATHREIN MARTIN
Принадлежит:

A coating material has Cr-rich regions having a Cr content >95% by mass which form Cr-containing particles. At least some of these particles are present in the form of aggregates or agglomerates, at least some have pores and have in the Cr-rich regions a mean nanohardness of ≦4 GPa and/or a mean surface area, measured by BET, >0.05 m/g. The coating material is particularly suitable for cold gas spraying. There is also described a process for the production of a coating, and to a coating produced by the process. 128-. (canceled)29. A coating material , comprising:Cr-rich regions having a Cr content >95% by mass, said Cr-rich regions forming Cr-containing particles; andwherein one or more of the following is true:at least some of said Cr-containing particles are present in the form of aggregates or agglomerates;at least some of said Cr-containing particles have pores formed therein;{'sub': 'HIT 0.005/5/1/5', 'said Cr-rich regions have a mean nanohardness of ≦4 GPa; or'}said Cr-containing particles have a mean surface area >0.05 m2/g, measured by way of Brunauer-Emmett-Teller.30. The coating material according to claim 29 , configured in powder form or granulate form.31. The coating material according to claim 29 , wherein at least some of said Cr-containing particles have a mean porosity claim 29 , determined by quantitative image analysis claim 29 , of >10% by volume.32. The coating material according to claim 29 , which comprises a material with a lower yield strength than Cr applied to a surface of said Cr-containing particles claim 29 , at least in regions thereof.33. The coating material according to claim 29 , wherein said Cr-containing particles have a mean particle size or granule size d50 claim 29 , measured by laser diffractometry claim 29 , of 5 μm Подробнее

Номер записи: 70
01-01-2015 дата публикации

NANOSTRUCTURED FERRITIC ALLOY AND METHOD OF FORMING

Номер: US20150004044A1
Автор: Alinger Matthew Joseph, Dial Laura Cerully, DiDomizio Richard
Принадлежит: GENERAL ELECTRIC COMPANY

An alloy and method of forming the alloy are provided. The alloy includes a matrix phase, and a multimodally distributed population of particulate phases dispersed within the matrix. The matrix includes iron and chromium, and the population includes a first subpopulation of particulate phases and a second subpopulation of particulate phases. The first subpopulation of particulate phases include a complex oxide, having a median size less than about 15 nm, and present in the alloy in a concentration from about 0.1 volume percent to about 5 volume percent. The second subpopulation of particulate phases have a median size in a range from about 25 nm to about 10 microns, and present in the alloy in a concentration from about 0.1 volume percent to about 15 volume percent. Further embodiments include articles, such as turbomachinery components and fasteners, for example, that include the above alloy, and methods for making the alloy. 1. An alloy , comprising: a first subpopulation of particulate phases comprising a complex oxide, having a median size less than about 15 nm, and present in the alloy in a concentration from about 0.1 volume percent to about 5 volume percent; and', 'a second subpopulation of particulate phases having a median size in a range from about 25 nm to about 10 microns, and present in the alloy in a concentration from about 0.1 volume percent to about 15 volume percent., 'a matrix phase comprising iron and chromium; and a multimodally distributed population of particulate phases dispersed within the matrix, the population comprising2. The alloy of claim 1 , wherein the particulate phases of the first subpopulation comprise at least two elements of the following group: yttrium claim 1 , titanium claim 1 , aluminum claim 1 , zirconium claim 1 , hafnium claim 1 , and magnesium.3. The alloy of claim 2 , wherein the particulate phases of the first subpopulation comprise yttrium and titanium.4. The alloy of claim 1 , wherein the particulate phases of the ...

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Номер записи: 71
02-01-2020 дата публикации

SINTERED NANOCRYSTALLINE ALLOYS

Номер: US20200002791A1
Автор: PARK Mansoo, Schuh Christopher A.
Принадлежит: Massachusetts Institute of Technology

Provided in one embodiment is a method, comprising: sintering a plurality of nanocrystalline particulates to form a nanocrystalline alloy, wherein at least some of the nanocrystalline particulates may include a non-equilibrium phase comprising a first metal material and a second metal material, and the first metal material may be soluble in the second metal material. The sintered nanocrystalline alloy may comprise a bulk nanocrystalline alloy. 1. (canceled)2. A method of forming a sintered alloy , comprising:sintering a plurality of particles comprising Cr, the particles having a grain size of smaller than about 1000 nm prior to the sintering, to produce an alloy comprising the Cr and a second metal material, wherein:the Cr is present in the sintered alloy in an amount of at least about 60 at %, andthe sintered alloy has a relative density of at least about 90%.3. The method of claim 2 , wherein the second metal material comprises Ni.4. The method of claim 2 , wherein the second metal material is present in the sintered alloy in an amount of greater than or equal to 0.3 at %.5. The method of claim 2 , wherein the second metal material comprises at least one of Pd claim 2 , Pt claim 2 , Ni claim 2 , Co claim 2 , Fe claim 2 , Ti claim 2 , V claim 2 , and Sc.6. The method of claim 2 , wherein the sintered alloy comprises the Cr and the second metal material in a solid solution.7. The method of claim 2 , wherein the sintered alloy further comprises Ti.8. The method of claim 2 , wherein the sintered alloy is substantially thermodynamically stable at a temperature that is greater than or equal to about 1 claim 2 ,000° C.9. The method of claim 2 , wherein the sintered alloy has a relative density of at least about 98%.10. The method of claim 2 , wherein the average grain size within the plurality of particles prior to the sintering is less than about 100 nm.11. The method of claim 2 , wherein the second metal material is present in the sintered alloy in an amount greater ...

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Номер записи: 72
07-01-2021 дата публикации

Ti(C,N)-BASED SUPERHARD METAL COMPOSITE MATERIAL AND PREPARATION METHOD THEREOF

Номер: US20210002745A1
Автор: Chen Hui, CHEN Qiaowang, DENG Ling, Deng Ying, Jiang Shan, WU Taibin, YAN Hui, Zhang Yanhua
Принадлежит: Chongqing University of Arts and Sciences

The disclosure relates to a method for preparing Ti(C,N)-based superhard metal composite materials, with Ti(C,N) powder and (W,Mo,Ta)(C,N) powder as main raw materials and Co powder as binding phase for preparation, thereby obtaining a material in which a microstructure is a double-core rim structure that has both a black core rim and a white core rim. The material has a complete and evenly distributed double-core rim structure. In the condition that the ensured hardness of the material is not reduced and even slightly increased, the toughness of the material is significantly improved, wherein the fracture toughness of the material is in the range of 11.3 to 12.5 MPa·m. 1. A preparation method of Ti(C ,N)-based superhard metal composite material , wherein Ti(C ,N) powder and (W , Mo , Ta)(C ,N) powder are adopted as main raw materials , the (W , Mo , Ta)(C ,N) powder is added into the Ti(C ,N) powder , and a Co powder is adopted as a binding phase , then molding and sintering are performed for preparation , thereby obtaining a double-core rim structure having a microstructure with black core rim and white core rim both; wherein mass fractions of the Ti (C , N) powder , the (W , Mo , Ta) (C , N) powder and the Co powder are 40-50% , 40-50% , 10-20% , respectively; the Ti (C , N) powder , the (W , Mo , Ta) (C , N) powder and the Co powder all have a fineness of 0.5 to 3 μm; specific steps are as follows:weigh the Ti(C,N) powder and the (W, Mo, Ta) (C, N) powder and mix them with the Co powder based on a proportion described above, and then add a paraffin wax, thereafter high-energy ball milling, drying, sieving, press-forming, sintering are performed; the sintering is carried out in sequence based on the following conditions: carried out in a solid phase at 1150° C., maintain the temperature for 60 to 80 minutes, sintering is carried out in a liquid phase at 1400° C. to 1450° C., maintain the temperature for 60 to 80 minutes, then fill in with nitrogen at 7 to 10 MPa, ...

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Номер записи: 73
07-01-2021 дата публикации

Polymer Ammunition and Cartridge Primer Insert

Номер: US20210003373A1
Автор: Lonnie Burrow
Принадлежит: TRUE VELOCITY IP HOLDINGS LLC

The present invention provides polymer ammunition having a primer insert having: a top surface; a bottom surface opposite the top surface; a coupling element that extends from the bottom surface, wherein the coupling element comprises an interior surface and an exterior surface, wherein the interior surface comprises: a transition region that transitions from the bottom surface to a second segment wherein the transition region has a radius of from 0.02 to 0.2; a first segment extending from the second segment and terminates at a tip, wherein the first segment has a first segment distance from 0.02 to 0.18 inches and the second segment has a second segment distance from 0.02 to 0.18 inches, wherein the second segment has a second segment angle from +3 to −3 degrees relative to the first segment angle and the first segment has a first segment angle from +6 to −6 degrees from perpendicular to the top surface; a primer recess in the top surface that extends toward the bottom surface; a primer flash aperture positioned in the primer recess through the bottom surface; and a flash aperture groove in the primer recess and positioned around the primer flash aperture and adapted to receive a polymer overmolding through the primer flash aperture.

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Номер записи: 74
03-01-2019 дата публикации

METHOD AND APPARATUS FOR DIRECT WRITE MASKLESS LITHOGRAPHY

Номер: US20190004435A1
Автор: De Jager Pieter Willem Herman, MAURY Pascale Anne, VAN DE MOOSDIJK Michaël Josephus Evert, VAN DER WERF Robert Albertus Johannes
Принадлежит: ASML Netherlands B.V.

A patterning apparatus, including: a substrate holder constructed to support a substrate; a particle generator configured to generate particles in the patterning apparatus, the particle generator configured to deposit the particles onto the substrate to form a layer of particles on the substrate; and a pattern generator in the patterning apparatus, the pattern generator configured to applying a pattern in the patterning apparatus to the deposited layer of particles. 1. A patterning apparatus , comprising:a substrate holder constructed to support a substrate;a particle generator configured to generate particles in the patterning apparatus, the particle generator configured to deposit the particles onto the substrate to form a layer of particles on the substrate; anda pattern generator in the patterning apparatus, the pattern generator configured to applying a pattern in the patterning apparatus to the deposited layer of particles.2. The apparatus of claim 1 , wherein the pattern generator is configured to project a beam of radiation onto the substrate to at least partially sinter at least part of the particles on the substrate.3. The apparatus of claim 2 , further comprising an actuator to move the substrate and wherein the pattern generator is configured to project a plurality of modulated beams to the moving substrate in a pixel-grid imaging fashion.4. The apparatus of claim 1 , wherein the particle generator is configured to generate particles such that a width of a majority of the particles is less or equal to 15 nanometers.5. The apparatus of claim 1 , wherein the pattern generator is configured to produce a pattern in the layer by at least partially sintering at least part of the particles in the layer at a temperature of less than or equal to 200° C.6. The apparatus of claim 1 , wherein the particle generator comprises a spark discharge generator comprising an anode and a cathode and configured to generate a spark between the anode and the cathode claim 1 , ...

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Номер записи: 75
20-01-2022 дата публикации

A DEVICE FOR REMOVING FLAWS IN SITU DURING THE ADDITIVE PRINTING OF METAL PARTS

Номер: US20220016709A1
Автор: COLOSIMO Bianca Maria, DEMIR Ali Gokhan, GRASSO Marco Luigi Giuseppe, GROSSI Eligio Gianni, Previtali Barbara
Принадлежит: Politecnico di Milano

A device for removing flaws in situ during the additive molding of metal parts forms the subject of the invention. The device comprises: a hopper adapted to contain metal powder; a printing platform, sliding along an axis; a metal powder releasing device, to allow the powder to fall from the hopper onto the printing platform; a doctor blade for distributing the powder onto the printing platform, forming a bed of powder; a laser source and associated laser beam scanning system, for selectively melting the bed of powder; a grinder for removing flawed layers and a monitoring system, configured to detect possible flaws in the layers, wherein said monitoring system is connected to an electronic control unit, configured to activate the aforesaid grinder in order to remove the flaws detected by the monitoring system. 1. A device for removing flaws in metal parts , in situ , said device comprising:a hopper adapted to contain metal powder;a printing platform sliding along an axis;a powder releasing device to allow the powder to fall from the hopper onto the printing platform;a doctor blade for distributing the powder onto the printing platform forming a bed of powder;a laser source for selectively melting the bed of powder; and the device further comprises:a grinder for removing flawed layers; anda monitoring system configured to detect possible flaws in the layers, wherein said monitoring system connected to an electronic control unit configured to activate the aforesaid grinder in order to remove the flaws detected by the monitoring system.2. The device according to claim 1 , wherein the grinder is mounted onto a grinder cart claim 1 , which allows a longitudinal feeding movement of the grinder.3. The device according to claim 1 , wherein the monitoring system comprises at least one sensor configured to inspect a melted pool of material in the bed of powder.4. The device according to claim 1 , wherein the monitoring system comprises at least one sensor outside the optical ...

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Номер записи: 76
12-01-2017 дата публикации

WORKING ADDITIVELY MANUFACTURED PARTS

Номер: US20170008080A1
Автор: Xu JinQuan
Принадлежит:

A method of working an additively manufactured part includes applying a layer of wax to a part manufactured with an additive manufacturing process. Then a mold is formed over the layer of wax on the part. The wax is then removed from between the mold and the part. The part is then melted in the mold, and then the part is re-solidified in the mold. Finally, the mold is removed. 1. A method of working an additively manufactured part , the method comprising:applying a coating to a part manufactured with an additive manufacturing process;forming a mold over the coating on the part;removing the coating between the mold and the part;melting the part in the mold;re-solidifying the part in the mold; andremoving the mold.2. The method of claim 1 , wherein the part is manufactured with an additive manufacturing process selected from the group consisting of direct metal laser sintering claim 1 , electron beam freeform fabrication claim 1 , electron-beam melting claim 1 , selective laser melting claim 1 , selective laser sintering claim 1 , and combinations thereof.3. The method of claim 1 , wherein interior surfaces of the mold have an average surface roughness Requal to or less than 125 microinches (3.2 micrometers).4. The method of claim 3 , wherein interior surfaces of the mold have an average surface roughness Rbetween 60 microinches (1.5 micrometers) and 125 microinches (3.2 micrometers).5. The method of claim 1 , wherein the mold that is formed over the part is a ceramic mold.6. The method of claim 5 , wherein the ceramic mold and the part are placed in a furnace and heated to a temperature that is lower than the melting temperature of the part to sinter the mold.7. The method of claim 6 , wherein the ceramic mold and the part are heated in the furnace to a temperature that is greater than the melting temperature of the part to melt the part in the ceramic mold.8. The method of claim 1 , wherein the part is re-solidified on a chill block to control the crystallization of ...

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Номер записи: 77
12-01-2017 дата публикации

METHOD FOR PRODUCING NICKEL POWDER

Номер: US20170008083A1
Автор: Heguri Shin-ichi, IKEDA Osamu, Kudo Yohei, Ohara Hideki, Ozaki Yoshitomo, Yanagisawa Kazumichi, Yoneyama Tomoaki, ZHANG Junhao
Принадлежит:

Provided is a method for producing nickel powder from a nickel ammine sulfate complex solution, comprising treatment steps of: (1) a seed crystal production step of producing nickel powder having an average particle size of 0.1 to 5 μm; (2) a seed crystal addition step of adding the nickel powder obtained in the step (1) as seed crystals to form a mixed slurry; (3) a reduction step of forming a reduced slurry containing nickel powder formed by precipitation of a nickel component in the mixed slurry on the seed crystals; and (4) a growth step of performing solid-liquid separation to separate and recover the nickel powder as a solid phase component and then blowing hydrogen gas into a solution prepared by adding the nickel ammine sulfate complex solution to the recovered nickel powder to grow the nickel powder to form high purity nickel powder. 1. A method for producing nickel powder from a nickel ammine sulfate complex solution , the method comprising treatment steps of:(1) a seed crystal production step of mixing a nickel sulfate solution and hydrazine to produce nickel powder having an average particle size of 0.1 to 5 μm serving as seed crystals;(2) a seed crystal addition step of adding the nickel powder having an average particle size of 0.1 to 5 μm obtained in the step (1) as seed crystals to the nickel ammine sulfate complex solution to form a mixed slurry;(3) a reduction step of blowing hydrogen gas into the mixed slurry obtained in the seed crystal addition step (2) to form a reduced slurry containing nickel powder formed by precipitation of a nickel component in the mixed slurry on the seed crystals; and(4) a growth step of subjecting the reduced slurry obtained in the reduction step (3) to solid-liquid separation to separate and recover the nickel powder as a solid phase component and then blowing hydrogen gas into a solution prepared by adding the nickel ammine sulfate complex solution to the recovered nickel powder to grow the nickel powder to form high ...

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Номер записи: 78
12-01-2017 дата публикации

TITANIUM POWDER CONTAINING SOLID-SOLUTED NITROGEN, TITANIUM MATERIAL, AND METHOD FOR PRODUCING TITANIUM POWDER CONTAINING SOLID-SOLUTED NITROGEN

Номер: US20170008087A1
Автор: KONDOH Katsuyoshi
Принадлежит:

A method for producing titanium powder containing a solid-soluted nitorogen comprises the step of heating titanium powder comprised of titanium particles in a nitrogen-containing atmosphere to dissolve nitrogen atoms and form a solid solution of nitrogen atom in a matrix of the titanium particle. 1. A method for producing titanium powder containing a solid-soluted nitrogen , the method comprising:heating titanium powder comprising titanium particles in a nitrogen-containing atmosphere to dissolve nitrogen atoms and form a solid solution of nitrogen atoms in a matrix of the titanium particles.2. The method for producing the titanium powder containing the solid-soluted nitrogen according to claim 1 , whereina heating temperature for forming the solid solution of the nitrogen atoms in the matrix of the titanium particles is 400° C. or more and 800° C. or less.3. A titanium powder containing the solid-soluted nitrogen produced by the method according to whereinthe titanium particles have a nitrogen content of 0.1 mass % or more and 0.65 mass % or less.4. A titanium material formed with the titanium powder containing the solid-soluted nitrogen according to into a predetermined shape.5. The titanium material according to claim 4 , whereinthe titanium material is an extruded material formed by extrusion of the titanium powder containing the solid-soluted nitrogen,the extruded material has a nitrogen content of 0.1 mass % or more and 0.65 mass % or less, andthe extruded material has an elongation to failure of 10% or more.6. The method for producing the titanium powder containing the solid-soluted nitrogen according to claim 1 , wherein the titanium powder is heated for a predetermined period of time to cause the titanium particles in the matrix of titanium particles to have a nitrogen content of 0.1 mass % or more and 0.65 mass % or less claim 1 , the nitrogen content being based claim 1 , at least in part claim 1 , on the predetermined period of time. The present ...

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Номер записи: 79
12-01-2017 дата публикации

COATED METAL FINE PARTICLE AND MANUFACTURING METHOD THEREOF

Номер: US20170008088A1
Автор: KURIHARA Masato, Sakamoto Masatomi
Принадлежит:

Objects of the invention are to provide a method in which coated metal fine particles are smoothly manufactured when the coated metal fine particles are manufactured using a metal amine complex decomposition method, and, particularly, to provide coated metal fine particles that can be smoothly sintered even at a low temperature. The manufacturing method of coated metal fine particles includes a first step of mixing an amine liquid mixture of an alylamine having 6 or more carbon atoms and an alkylamine having 5 or less carbon atoms with a metal compound including one or more metal atoms, thereby generating a complex compound including the metal compound and amines; and a second step of heating and decomposing the complex compound, thereby generating coated metal fine particles. 1. A manufacturing method of coated metal fine particles comprising:a first step of mixing an amine liquid mixture of an alkylamine having 6 or more carbon atoms and an alkylamine having 5 or less carbon atoms with a metal compound including one or more metal atoms, thereby generating a complex compound including the metal compound and amines; anda second step of heating and decomposing the complex compound, thereby generating metal fine particles.2. The manufacturing method of coated metal fine particles according to claim 1 ,wherein a molar ratio of the alkylamine having 5 or less carbon atoms is in a range of 10% to 80% with respect to a total amount of amines in the amine liquid mixture.3. The manufacturing method of coated metal fine particles according to claim 1 ,wherein a fatty acid is included in the amine liquid mixture.4. The manufacturing method of coated metal fine particles according to claim 1 ,wherein the metal compound contains silver atoms.5. The manufacturing method of coated metal fine particles according to claim 1 ,wherein the metal compound contains silver oxalate.6. The manufacturing method of coated metal fine particles according to claim 1 , wherein the alkylamine ...

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Номер записи: 80
12-01-2017 дата публикации

Brazing and soldering alloy wires

Номер: US20170008130A1
Автор: Abdelouahab Ziani, Mark Miklos
Принадлежит: Morgan Advanced Ceramics Inc

Brazing alloy wire formed from a composite comprising a sheath of at least one ductile first phase and a core comprising particles of a different composition to the sheath, in which: the sheath has an annealing temperature in degrees K the particles have a melting point at least 20% above the annealing temperature of the sheath the particles have a size distribution in which 25% by weight or less comprise particles less than 25 μm in size the particles are discrete

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Номер записи: 81
11-01-2018 дата публикации

METAL OBJECTS AND METHODS FOR MAKING METAL OBJECTS USING DISPOSABLE MOLDS

Номер: US20180009032A1
Автор: CHAN Pong Kwok, Kelkar Rajendra Madhukar, LEMAN John T., McCarren Michael John, Natarajan Arunkumar, PRABHJOT Singh
Принадлежит:

Methods of making metal objects are provided. These methods generally involve adding a metal powder slurry into a sacrificial mold, such as a mold made by three dimensional printing, and heating the slurry/mold mixture. The heating steps may include curing the slurry to make a green part inside the mold, debinding to burn off the mold and binder to make a brown part, sintering, and hot isostatic pressing. Metal products, such as aircraft engine parts, are also provided. 1. A method for making a metal object comprising:(a) introducing a metal powder slurry into a sacrificial mold; and(b) applying one or more heating steps to produce a solid metallic body and eliminate the sacrificial mold.2. The method of claim 1 , wherein the sacrificial mold is removed by heating in the range of 100-600° C.3. The method of claim 1 , wherein said metal powder slurry comprises a binder and a metal powder.4. The method of claim 3 , wherein the metal powder is a metal alloy powder.5. The method of claim 1 , wherein more than 50% of the total volume of the slurry is metal powder.6. The method of claim 1 , wherein more than 65% of the total volume of the slurry is metal powder.7. The method of claim 1 , wherein the sacrificial mold is removed by heating in a carbon-free atmosphere comprising nitrogen and oxygen.8. The method of claim 1 , further comprising (i) producing a green body and curing said green body; (ii) debinding the cured green body to produce a brown body; and (iii) sintering the brown body to prepare a metal object.9. The method of claim 8 , wherein said curing comprises heating to a temperature between 50-70° C. for 6-24 hours under nitrogen.10. The method of claim 9 , wherein said curing comprises heating to a temperature of 55° C. for 18 hours under nitrogen.11. The method of claim 10 , wherein the brown body is sintered at a temperature in the range of 1000-1600° C.12. The method of claim 1 , further comprising at least one step of hot isostatic pressing after said ...

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Номер записи: 82
27-01-2022 дата публикации

POROUS ELECTROLYZER GAS DIFFUSION LAYER AND METHOD OF MAKING THEREOF

Номер: US20220023946A1
Автор: Ballantine Arne, Karuppaiah Chockkalingam, Nguyen Dien, Nguyen James
Принадлежит:

A porous titanium sheet configured to function as an anode side gas diffusion layer of a proton exchange membrane (PEM) electrolyzer is formed by a powder technique, such as tape casting or powder metallurgy. 1. A porous titanium sheet configured to function as an anode side gas diffusion layer of a proton exchange membrane (PEM) electrolyzer , wherein the porous titanium sheet is formed by a powder technique.2. The porous titanium sheet of claim 1 , wherein a first major side of the porous titanium sheet has a higher porosity than an opposite second major side of the porous titanium sheet.3. The porous titanium sheet of claim 2 , wherein the first major side of the porous titanium sheet is configured to face an anode side flow plate claim 2 , and the second major side of the porous titanium sheet is configured to face an anode electrode.4. The porous titanium sheet of claim 2 , wherein the first major side of the porous titanium sheet has the porosity which is at least 10 percent higher than the opposite second major side of the porous titanium sheet.5. The porous titanium sheet of claim 1 , wherein a first major side of the porous titanium sheet includes a groove and an opposite second major side of the porous titanium sheet has a substantially planar surface which lacks a groove.6. The porous titanium sheet of claim 1 , wherein:the porous titanium sheet contains a titanium nitride coating on at least one surface thereof; andthe porous titanium sheet comprises pure titanium or an alloy of titanium containing more than 50 atomic percent titanium and less than 50 atomic percent of at least one of molybdenum, vanadium, niobium, tantalum, or zirconium.7. The porous titanium sheet of claim 1 , wherein the porous titanium sheet includes a bimodal pore size distribution comprising micropores having an average pore size in a range of 1 to 5 microns claim 1 , and macropores having an average pore size in a range of 30 to 40 microns.8. The porous titanium sheet of claim 1 , ...

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Номер записи: 83
12-01-2017 дата публикации

PROCESS FOR PRODUCING A TARGET FORMED OF A SINTERING-RESISTANT MATERIAL OF A HIGH-MELTING POINT METAL ALLOY, SILICIDE, CARBIDE, NITRIDE OR BORIDE

Номер: US20170009335A1
Автор: Yamakoshi Yasuhiro
Принадлежит:

A target is formed of a sintering-resistant material of high-melting point metal alloy, high-melting point metal silicide, high-melting point metal carbide, high-melting point metal nitride or high-melting point metal boride comprising a structure in which a material formed of a sintering-resistant material of high-melting point metal alloy, high-melting point metal silicide, high-melting point metal carbide, high-melting point metal nitride or high-melting point metal boride and a high-melting point metal plate other than the target are bonded. A production method of such a target is provided. Further the generation of cracks during the target production and high power sputtering, and the reaction of the target raw material with the die during hot pressing can be inhibited effectively, and the warpage of the target can be reduced. 1. A production method of a composite sputtering target including a sputtering target comprising a sintered body formed of a powder of a sinter-resistant material of an alloy of high-melting point metals or a silicide , carbide , nitride or boride of a high-melting point metal , comprising the steps of:placing a secondary plate having a thickness of 2 to 6 mm and made of a high-melting point metal different from the high-melting point metals constituting the alloy or the high melting point metal of the silicide, carbide, nitride or boride of the sputtering target in a die;filling the die with powder formed of the alloy of high-melting point metals or the silicide, carbide, nitride or boride of the high-melting point metal of the sinter-resistant material of the sputtering target, the high-melting point metal or metals of the sputtering target having a melting point of 1700° C. or higher;additionally inserting a further secondary plate made of a high-melting point metal different from the metal or metals of the sputtering target on the filled powder to obtain a trilaminar structure;subsequently subjecting the trilaminar structure to ...

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Номер записи: 84
14-01-2021 дата публикации

SYSTEMS AND METHODS FOR CREATING NANOCRYSTALLINE ALLOY ARTICLES USING ADDITIVE MANUFACTURING

Номер: US20210008619A1
Автор: Lund Alan C., Schuh Christopher A.
Принадлежит: Veloxint Corporation

Embodiments described herein relate generally to systems and methods for using nanocrystalline metal alloy particles or powders to create nanocrystalline and/or microcrystalline metal alloy articles using additive manufacturing. In some embodiments, a manufacturing method for creating articles includes disposing a plurality of nanocrystalline particles and selectively binding the particles together to form the article. In some embodiments, the nanocrystalline particles can be sintered to bind the particles together. In some embodiments, the plurality of nanocrystalline particles can be disposed on a substrate and sintered to form the article. The substrate can be a base or a prior layer of bound particles. In some embodiments, the nanocrystalline particles can be selectively bound together (e.g., sintered) at substantially the same time as they are disposed on the substrate. 123-. (canceled)24. A method , comprising:disposing a plurality of nanocrystalline metal microparticles and a binder;binding at least a portion of the nanocrystalline metal microparticles together to form a green body;applying heat to the green body during a first time period to substantially vaporize the binder and form a substantially binderless green body; andapplying heat during a second time period to sinter the substantially binderless green body to form an alloy article.25. The method of claim 24 , wherein the nanocrystalline metal microparticles are disposed onto a substrate.26. The method of claim 24 , wherein the nanocrystalline metal microparticles are disposed using an additive manufacturing process.27. The method of claim 26 , wherein the nanocrystalline metal microparticles are disposed on at least one of a substrate and at least a portion of a prior layer from the additive manufacturing process.28. The method of claim 24 , wherein the plurality of nanocrystalline metal microparticles include a first plurality of nanocrystalline microparticles comprising a first metal material ...

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Номер записи: 85
14-01-2021 дата публикации

Method And System For Manufacturing Small Adaptive Engines

Номер: US20210008620A1
Автор: Andrew VanOs LaTour, Christopher Paul Eonta, Stephen Ziegenfuss
Принадлежит: Molyworks Materials Corp

A method for manufacturing small adaptive engines uses a battlefield repository having cloud services that is configured to enable additive manufacturing (AM) of engine parts and assemblies. The method also uses a compilation of recipes/signatures for building the engine parts and the assemblies using additive manufacturing (AM) processes and machine learning programs. An additive manufacturing system and an alloy powder suitable for performing the additive manufacturing (AM) processes can be provided. In addition, the engine parts can be built using the additive manufacturing (AM) system, the alloy powder, the battlefield repository and the compilation of recipes/signatures. A system for manufacturing small adaptive engines includes the battlefield repository, the compilation of recipes/signatures, a foundry system for providing the alloy powder and an additive manufacturing (AM) system configured to perform the additive manufacturing (AM) processes.

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Номер записи: 86
14-01-2021 дата публикации

CALIBRATION METHOD

Номер: US20210008626A1
Автор: Muller Christian
Принадлежит:

The invention relates to a method for calibrating, in particular, sintered pressed parts, wherein a calibration procedure of each individual pressed part is controlled depending on at least one specific pressed part parameter of the respective pressed part measured before calibration and/or depending on at least one production parameter of a preceding pressing and/or sintering step of the respective pressed part. 1. A method for calibrating sintered pressed parts comprising controlling a calibration procedure of each individual pressed part depending on at least one specific pressed part parameter of the respective pressed part measured before calibration and/or depending on at least one production parameter of a preceding pressing and/or sintering step of the respective pressed part.2. The method according to claim 1 , wherein the calibration of each individual pressed part is controlled depending on a weight and/or a density and/or a geometric dimension.3. The method according to wherein the calibration of each individual pressed part is controlled depending on a pressing position and/or a pressing force of a preceding (powder) pressing procedure.4. The method according to claim 1 , wherein the control of the calibration sequence comprises a control of a pressing force and/or a pressing position during calibration.5. The method according to claim 1 , wherein a calibration press device is not stopped during calibration of a plurality of pressed parts and/or a/the calibration press device is not stopped during calibration of an individual pressed part.6. A method of producing a calibrated press part claim 1 , comprising the steps ofpressing a starting material into a pressed part,sintering of the pressed part,{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'calibrating of the sintered pressed part according to .'}7. A control device for controlling a calibration of sintered pressed parts according to claim 1 , wherein the control device is configured to control a ...

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Номер записи: 87
09-01-2020 дата публикации

MANUFACTURING METHOD OF GRAPHENE METAL COMPOSITE MATERIAL

Номер: US20200009653A1
Автор: Lin Tzu-Yao, SHIH Yang-Ming, TSENG Wei-Lin
Принадлежит:

A manufacturing method of a graphene metal composite material includes the steps of providing metal powder including metal particles, graphene powder including graphene pieces and binder including wax material, wherein each graphene piece includes graphene molecules connected with each other and including six carbon atoms annually connected, and one of the carbon atom of each graphene molecule is bonded with a functional group by an SP3 bond; mixing the powders and the binder into a powder material, wherein the SP3 bond is heated and broken by friction, and the graphene molecules are connected with each other via the broken SP3 bond to wrap the respective metal particles; melting and molding the powder material to form a green part; removing the binder from the green part to form a brown part; and sintering the brown part to form a metal main part embedded a three-dimensional mash formed by the graphene molecules. 1. A manufacturing method of a graphene metal composite material , comprising the following steps:a) providing metal powder, graphene powder and a binder, the metal powder comprising a plurality of metal particles, the binder comprising a wax material, the graphene powder comprising a plurality of graphene pieces, each graphene piece comprising a plurality of graphene molecules connected with each other, each graphene molecule comprising six carbon atoms annually connected with each other, one of the carbon atoms of each graphene molecule is connected with a functional group by an SP3 bond;b) mixing the metal powder, the graphene powder and the binder into a powder material, and the SP3 bond bonding each functional group being heated to broken by friction and functional groups thereby being separated from respective graphene molecules, each graphene molecule being bonded with another graphene molecule by the broken SP3 bond, and respective metal particles being thereby wrapped by the graphene molecules;c) heating the powder material to melt into a liquid ...

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Номер записи: 88
09-01-2020 дата публикации

Method and Device for Machining a Workpiece

Номер: US20200009659A1
Автор: Flögel Rupert
Принадлежит:

In a method for machining a workpiece (), the workpiece () is secured to a carrier element () by at least one connecting element () or is produced by a generative production method. In an embedding step, the workpiece () is introduced into a casting mould surrounding the workpiece () and a curing carrier material () surrounding the workpiece () is introduced into the casting mould, such that the workpiece () is embedded and fixed in the carrier material (). In an exposure step, the carrier material () is separated from the workpiece () and the workpiece () is exposed from a side facing the carrier element (), in order, in a subsequent second machining step, for it to be possible to machine the workpiece () partially embedded in the carrier material (). The workpiece () can be produced by a generative production method on the carrier element (), wherein at least one connecting element () that joins the workpiece () to the carrier element () is produced at the same time. Arranged on the carrier element () are protruding positioning elements (), which, when the workpiece () is introduced into the casting mould (), come into engagement with matching recesses in the casting mould, in order to define a position of the carrier element () with the workpiece () secured thereto relative to the casting mould and to allow subsequent referencing of the workpiece (). 121.-. (canceled)22. A method for machining a workpiece which is fixed on a carrier element by at least one connecting element , comprising:an embedding step, in which the workpiece is inserted into a casting mold enclosing the workpiece and a curing carrier material enclosing the workpiece is introduced into the casting mold, so that the workpiece is embedded and fixed in the carrier material;an exposure step, in which the carrier element is separated from the workpiece and the workpiece is exposed from a side facing the carrier element; anda subsequent machining step, in which the workpiece partially embedded in ...

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Номер записи: 89
09-01-2020 дата публикации

SINTERED NANOCRYSTALLINE ALLOYS

Номер: US20200010937A1
Автор: PARK Mansoo, Schuh Christopher A.
Принадлежит: Massachusetts Institute of Technology

Provided in one embodiment is a method, comprising: sintering a plurality of nanocrystalline particulates to form a nanocrystalline alloy, wherein at least some of the nanocrystalline particulates may include a non-equilibrium phase comprising a first metal material and a second metal material, and the first metal material may be soluble in the second metal material. The sintered nanocrystalline alloy may comprise a bulk nanocrystalline alloy. 1. (canceled)2. A sintered nanocrystalline alloy comprising tungsten (W) and a second metal material , wherein the W is present in an amount of at least about 60 at % , the nanocrystalline alloy has a relative density of at least about 90% , and the nanocrystalline alloy has a grain size of smaller than about 1000 nm.3. The sintered nanocrystalline alloy of claim 2 , wherein the second metal material comprises chromium (Cr).4. The sintered nanocrystalline alloy of claim 3 , wherein the sintered nanocrystalline alloy further comprises Ti.5. The sintered nanocrystalline alloy of claim 2 , wherein the second metal material is present in an amount greater than or equal to 0.3 at %.6. The sintered nanocrystalline alloy of claim 2 , wherein the second metal material is present in an amount greater than or equal to 1 at %.7. The sintered nanocrystalline alloy of claim 2 , wherein the second metal material is present in an amount greater than or equal to 5 at %.8. The sintered nanocrystalline alloy of claim 2 , wherein the W is present in an amount of at least about 60 at % and less than or equal to about 95 at %.9. The sintered nanocrystalline alloy of claim 2 , wherein the sintered nanocrystalline alloy is substantially thermodynamically stable at a temperature that is greater than or equal to about 1 claim 2 ,000° C.10. The sintered nanocrystalline alloy of claim 2 , wherein the sintered nanocrystalline alloy has a relative density of at least about 98%.11. The sintered nanocrystalline alloy of claim 2 , wherein the second metal ...

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Номер записи: 90
12-01-2017 дата публикации

Cu-Ga ALLOY SPUTTERING TARGET AND METHOD FOR PRODUCING SAME

Номер: US20170011895A1
Автор: Ishiyama Kouichi, Mori Satoru, Yoshida Yuuki
Принадлежит:

According to the present invention, a Cu—Ga alloy sputtering target which is a sintered body has a composition with 29.5 atom % to 43.0 atom % of Ga and a balance of Cu and inevitable impurities. A Cu—Ga alloy crystal particle in the sintered body has a structure in which γ phase particles are dispersed in a γ-phase crystal particle. A method for producing the sputtering target includes a step of performing normal pressure sintering by heating a molded body formed of a powder mixture of a pure Cu powder and a Cu—Ga alloy powder in a reducing atmosphere, and a step of cooling the obtained sintered body at a cooling rate of 0.1° C./min to 1.0° C./min, at a temperature having a range of 450° C. to 650° C. 1. A Cu—Ga alloy sputtering target , whereinthe Cu—Ga alloy sputtering target is a sintered body which has a composition with 29.5 atom % to 43.0 atom % of Ga and a balance of Cu and inevitable impurities, and{'sub': '1', 'a Cu—Ga alloy crystal particle in the sintered body has a structure in which γ phase particles are dispersed in a γ-phase crystal particle.'}2. The Cu—Ga alloy sputtering target according to claim 1 , wherein{'sub': '1', 'an average number of the γ phase particles in one γcrystal particle is 6 to 36, and'}{'sub': '1', 'an average particle diameter of γphase particles is 15.0 μm to 75.0 μm.'}3. The Cu—Ga alloy sputtering target according to claim 1 , whereinan amount of oxygen in the sintered body is equal to or less than 200 mass ppm.4. The Cu—Ga alloy sputtering target according to claim 1 , whereinthe sintered body further contains 0.05 atom % to 10.0 atom % of Na, anda Na compound phase is dispersed in the sintered body.5. The Cu—Ga alloy sputtering target according to claim 4 , wherein{'sub': 2', '2', '3', '6, 'the Na compound phase is formed of at least one of NaF, NaS, NaSe, and NaAlF.'}6. A method for producing the Cu—Ga alloy sputtering target according to claim 1 , the method comprising:a step of performing normal pressure sintering by ...

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Номер записи: 91
12-01-2017 дата публикации

Assembly comprising two elements of different thermal expansion coefficients and a sintered joint of heterogeneous density and process for manufacturing the assembly

Номер: US20170012017A1
Автор: Benoit Thollin, Rabih KHAZAKA
Принадлежит: Commissariat a lEnergie Atomique et aux Energies Alternatives CEA

An assembly comprises a first element having a first thermal expansion coefficient, a second element having a second thermal expansion coefficient and at least one joint connecting the first element and second element, wherein the joint is heterogeneous and includes a stack of at least one first elementary joint of first density and of a second elementary joint of second density, the first and second densities being different. A process for manufacturing an assembly according to the invention is provided.

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Номер записи: 92
03-02-2022 дата публикации

HIERARCHICAL POROUS METALS WITH DETERMINISTIC 3D MORPHOLOGY AND SHAPE VIA DE-ALLOYING OF 3D PRINTED ALLOYS

Номер: US20220032369A1
Автор: Biener Juergen, Chen Wen, Duoss Eric, Qi Zhen, Spadaccini Christopher, WORSLEY Marcus A., Ye Jianchao, Zhu Cheng
Принадлежит:

The present disclosure relates to a system for using a feedstock to form a three dimensional, hierarchical, porous metal structure with deterministically controlled 3D multiscale porous architectures. The system may have a reservoir for holding the feedstock, the feedstock including a rheologically tuned alloy ink. A printing stage may be used for receiving the feedstock. A processor may be incorporated which has a memory, and which is configured to help carry out an additive manufacturing printing process to produce a three dimensional (3D) structure using the feedstock in a layer-by-layer fashion, on the printing stage. A nozzle may be included for applying the feedstock therethrough onto the printing stage. A de-alloying subsystem may be used for further processing the 3D structure through a de-alloying operation to form a de-alloyed 3D structure having several distinct, differing pore length scales ranging from a digitally controlled macroporous architecture to a nanoporosity introduced by the de-alloying operation. 1. A system for using a feedstock to form a three dimensional , hierarchical , porous metal structure with deterministically controlled 3D multiscale porous architectures , the system comprising:an reservoir for holding the feedstock, the feedstock being formed as a rheologically tuned alloy ink;a printing stage for receiving the feedstock;a processor including a memory and configured to help carry out an additive manufacturing printing process to produce a three dimensional (3D) structure using the feedstock in a layer-by-layer fashion, on the printing stage;a nozzle for applying the feedstock therethrough onto the printing stage;a de-alloying subsystem for further processing the 3D structure through a de-alloying operation to form a de-alloyed 3D structure having several distinct, differing pore length scales ranging from a digitally controlled macroporous architecture to a nanoporosity introduced by the dealloying operation.2. The system of claim ...

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Номер записи: 93
09-01-2020 дата публикации

MOLYBDENUM CONTAINING TARGETS

Номер: US20200013598A1
Автор: Gaydos Mark E., Hogan Patrick Alan, Rozak Gary Alan, Sun Shuwei
Принадлежит:

The invention is directed at sputter targets including 50 atomic % or more molybdenum, a second metal element of titanium, and a third metal element of chromium or tantalum, and deposited films prepared by the sputter targets. In a preferred aspect of the invention, the sputter target includes a phase that is rich in molybdenum, a phase that is rich in titanium, and a phase that is rich in the third metal element. 121.-. (canceled)22. A process comprising:providing a sputtering target and a substrate within a sputtering chamber; andsputtering the sputtering target to remove atoms therefrom, whereby at least some of the atoms removed from the sputtering target are deposited over the substrate as a layer, a continuous first phase comprising at least 50 atomic % molybdenum;', 'dispersed within the first phase, a discrete second phase comprising at least 50 atomic % of a first element selected from the list consisting of titanium, tantalum, chromium, hafnium, zirconium, and tungsten; and', 'dispersed within the first phase and/or within the second phase, a discrete third phase comprising at least 50 atomic % of a second element selected from the list consisting of titanium, tantalum, chromium, hafnium, zirconium, and tungsten, wherein the first and second elements are different., 'wherein (i) the layer comprises molybdenum and at least two additional elements selected from the list consisting of titanium, tantalum, chromium, hafnium, zirconium, and tungsten, and (ii) the sputtering target comprises23. The process of claim 22 , wherein the sputtering target is sputtered at a pressure of about 100 Torr or less.24. The process of claim 22 , wherein the sputtering target is sputtered using a magnetic field and/or an electric field.25. The process of claim 22 , wherein a thickness of the layer is about 200 nm or less.26. The process of claim 22 , wherein the substrate comprises silicon.27. The process of claim 22 , wherein the substrate comprises glass.28. The process of ...

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Номер записи: 94
19-01-2017 дата публикации

Magnesium base alloy tube and its manufacturing method

Номер: US20170014881A1
Автор: Kenji Tasaki, Toshinobu MIYATA, Yoshinori Goho
Принадлежит: Gohsyu Corp

[Problem] To present a small-diameter magnesium base alloy tube and its manufacturing method of long length, high dimensional precision, and excellent mechanical properties. [Solving Means] A raw material 1 of aluminum base alloy is extruded and formed by using a forming pattern comprising an upper pattern 2 having plural through-holes 21 for supplying the raw material into diaphragms of equal angles on the circumference and circular cylindrical protrusions 22 positioned in the center of plural through-holes 21 so as to be surrounded by plural through-holes 21 at the exit side of the through-holes 21, and a lower pattern 3 positioned in the concave portions commonly penetrating at the exit of the plural through-holes 21 of the upper pattern 2, having through-holes 32 for inserting the protrusions of circular circumference of the upper pattern by providing a tube forming gap, positioned in the center of concave portions 31 of the concave portions 31 in the circular columnar shape of the upper pattern 2.

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Номер записи: 95
19-01-2017 дата публикации

Three-dimensional fabricating system, method of manufacturing three-dimensional fabricated object, information processing apparatus, method of generating shrinkage suppression structure of three-dimensional fabricated object, and program for generating shrinkage suppression structure of three-dimensional fabricated object

Номер: US20170014903A1
Автор: Yukito SUGIURA
Принадлежит: Technology Research Association for Future Additive Manufacturing (TRAFAM)

This invention provides an information processing apparatus for fabricating a desired three-dimensional fabricated object by suppressing shrinkage of a fabricated object caused by a temperature drop in a laminated portion at a fabricating time of the three-dimensional fabricated object. This information processing apparatus includes an acquirer that acquires laminating and fabricating data of a three-dimensional fabricating model, and a data generator that generates laminating and fabricating data of a three-dimensional fabricating model added, when a width in a predetermined direction on a laminating surface of a fabricated object is equal to or larger than a threshold, with a shrinkage suppression structure model for suppressing shrinkage after laminating and fabricating, in the predetermined direction. The shrinkage suppression structure model is a plate-like structure model extending in the predetermined direction and having a length which can suppress shrinkage after laminating and fabricating.

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Номер записи: 96
19-01-2017 дата публикации

ADDITIVE MANUFACTURING WITH COOLANT SYSTEM

Номер: US20170014906A1
Автор: Frey Bernard, Joshi Ajey M., Krishnan Kasiraman, Kumar Ashavani, Ng Eric, Ng Hou T., Patibandla Nag B., Swaminathan Bharath
Принадлежит:

An additive manufacturing system includes a platen having a top surface to support an object being manufactured, a feed material dispenser to deliver a plurality of successive layers of feed material over the platen, an energy source positioned above the platen to fuse at least a portion of an outermost layer of feed material, and a coolant fluid dispenser to deliver a coolant fluid onto the outermost layer of feed material after at least a portion of the outermost layer has been fused. 1. An additive manufacturing system , comprising:a platen having a top surface to support an object being manufactured;a feed material dispenser to deliver a plurality of successive layers of feed material over the platen;an energy source positioned above the platen to fuse at least a portion of an outermost layer of feed material; anda coolant fluid dispenser to deliver a coolant fluid onto the outermost layer of feed material after at least a portion of the outermost layer has been fused.2. The system of claim 1 , wherein the coolant fluid dispenser includes a conduit configured to deliver coolant fluid simultaneously across a width of the platen claim 1 , and comprising an actuator coupled to the conduit to move the conduit along a length of the platen.3. The system of claim 2 , wherein the conduit comprises a plurality of spaced apart apertures extending across the width of the platen.4. The system of claim 2 , wherein the conduit comprises a contiguous slot extending across the width of the platen.5. The system of claim 2 , wherein the energy source is configured to apply heat to a region that scans at least along the length of the platen claim 2 , and the system is configured to cause the actuator to move the conduit in conjunction with motion of the region along the length of the platen.6. The system of claim 5 , wherein the energy source is configured to generate a beam that scans in both length and width directions across the outermost layer of feed material.7. The system of ...

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Номер записи: 97
19-01-2017 дата публикации

METHOD FOR REINFORCING METAL MATERIAL BY MEANS OF GRAPHENE

Номер: US20170014908A1
Автор: Dai Shenglong, Hong Qihu, Lin Zuoming, Liu Dabo, Yan Shaojiu, Yang Cheng
Принадлежит: AVIC BEIJING INSTITUTE OF AERONAUTICAL MATERIALS

A method of reinforcing a metallic material includes adding graphene to an alcohol solution; subjecting the alcohol solution containing graphene to sonication; mixing a metal powder with the alcohol solution containing graphene; milling the metal powder and alcohol solution containing graphene mixture; drying the metal powder and alcohol solution containing graphene mixture to form a composite powder; subjecting the composite powder to a densification process followed by a hot isostatic pressing treatment to form a composite material; and molding the composite material by hot extrusion. 1. A method of reinforcing a metallic material , comprising:adding graphene to an alcohol solution;subjecting the alcohol solution containing graphene to sonication;mixing a metal powder with the alcohol solution containing graphene;milling the metal powder and alcohol solution containing graphene mixture;drying the metal powder and alcohol solution containing graphene mixture to form a composite powder;subjecting the composite powder to a densification process followed by a hot isostatic pressing treatment to form a composite material; andmolding the composite material by hot extrusion.2. The method of claim 1 , wherein the alcohol solution containing graphene is sonicated for about 30 minutes.3. The method of claim 1 , wherein a ratio of mass of metal powder added to a volume of the alcohol containing graphene solution is about 10:1 to 0.5:1.4. The method of claim 1 , wherein the densification process comprises:loading the composite powder into a sheath,vacuumizing the composite powder in the sheath; and{'sup': '−3', 'sealing the sheath by welding with the composite powder inside when the pressure reaches 1.0×10Pa.'}5. The method of claim 1 , wherein the hot isostatic pressing treatment is performed at 480° C. and 110 MPa for two hours.6. The method of claim 1 , wherein the molding by hot extrusion occurs at a temperature of 440° C. to 480° C. The present invention is a method of ...

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Номер записи: 98
19-01-2017 дата публикации

METHOD FOR MANUFACTURING ADDITIVE MANUFACTURED OBJECT, AND MIXED MATERIAL

Номер: US20170014909A1
Автор: MACHIDA Morihiro, Ohno Hiroshi, TANAKA Masayuki
Принадлежит: KABUSHIKI KAISHA TOSHIBA

A method for manufacturing an additive manufactured object according embodiments includes supplying a powdered first material capable of being melted or sintered by irradiation with energy rays; supplying a powdered second material through which the energy rays are transmitted; melting or sintering the first material by irradiation with the energy rays; and solidifying the first material after melting or solidifying the first material by sintering. 1. (canceled)2. A method for manufacturing an additive manufactured object , the method comprising:supplying a powdered first material capable of being melted or sintered by irradiation with energy rays;supplying a powdered second material having absorptivity of the energy rays lower than the first material; andmelting or sintering the first material by irradiation with the energy rays, whereinthe first material and the second material are adjacent to each other.3. The method according to claim 2 , whereinthe supplying of the first material includes supplying the first material, andthe supplying of the second material includes supplying the second material to a second region adjacent to the first region.4. The method according to claim 3 , whereinthe first material includes a plurality of different first materials,the supplying of the first material includes the plurality of different first materials to the first region.5. The method according to claim 3 , wherein the first region claim 3 , and a third region being a part of the second region and being adjacent to the first region are irradiated with the energy rays claim 3 , in the melting or sintering of the first material.6. The method according to claim 2 , wherein the second material is removed claim 2 , after solidifying the first material after melting the first material claim 2 , or after sintering the first material.7. (canceled)8. A method for manufacturing an additive manufactured object claim 2 , the method comprising:supplying a powdered first material ...

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Номер записи: 99
19-01-2017 дата публикации

Composite Tungsten Carbide Insert With Heterogeneous Composition And Structure And Manufacturing Method Thereof

Номер: US20170014912A1
Автор: Beibei Chen, Dacheng Luo, Shun Lin
Принадлежит: Shanghai Gogoal Industry Co Ltd

A composite tungsten carbide insert (B, I) with heterogeneous composition and structure has a working part (W) and a non-working part (N). The working part (W) is made of a tungsten carbide material consisting of tungsten carbide powder and cobalt powder or nickel. The non-working part (N) is made of a low density tungsten carbide material consisting of titanium carbide powder, tungsten carbide powder, and cobalt powder or nickel powder. During pressing, the tungsten carbide material for the working part (W) and the low density tungsten carbide material for the non-working part (N) are weighed and added to a steel die successively for molding and then sintering. The non-working part (N) which accounts for most of the overall product volume has low density and less material consumption, and can greatly reduce the raw material costs of the product, significantly improving the performance-cost ratio of the insert (B, I).

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Номер записи: 100