Hochfeste nicht brennbare Magnesiumlegierung

Hochfeste nicht brennbare Magnesiumlegierung, hergestellt durch Zugeben zumindest eines zusätzlichen Additivs, ausgewählt aus Kohlenstoff (C), Molybdän (Mo), Niob (Nb), Silizium (Si), Wolfram (W), Aluminiumoxid (Al2O3), Magnesiumsilicid (Mg2Si) und Siliziumkarbid (SiC) zu einer nicht brennbaren Magnesiumlegierung, hergestellt durch Zugabe von 0,5 bis 5,0 Massen-% von Kalzium zu einer Magnesiumlegierung.

A high tough alloy material and its semi-solid state sintering process for preparing method and application

MOLYBDENUM MATERIAL

본 발명의 과제는 종래보다도 낮은 온도에서 2차 재결정을 일으키는 것이 가능하고, 또한 2차 재결정 후의 조직이 입계가 적은 거대한 결정립으로 이루어져 내크리프 특성이 우수하도록 하는 것이 가능한 공업적으로 우위성이 있는 몰리브덴재를 제공하는 데 있다. 본 발명의 몰리브덴재는 표면으로부터 판 두께 방향을 향해 전체 두께의 5분의 1의 깊이에 해당하는 영역에 있어서, X선 회절 측정한 경우, 결정 회절면 (110) 및 (220)의 각각의 피크 강도가, (211)의 피크 강도 미만이 되는 영역이 존재하는 부분을 적어도 일부에 갖는다. An object of the present invention is to provide an industrially advantageous molybdenum material which is capable of causing secondary recrystallization at a lower temperature than in the prior art, and in which the structure after secondary recrystallization is made of large crystal grains with a small grain boundary, . The molybdenum material of the present invention has a peak intensity of each of the crystal diffraction planes 110 and 220 in the region corresponding to a depth of 1/5 of the entire thickness from the surface toward the plate thickness direction, At least a part where a region where the peak intensity of the peak is less than the peak intensity of (211) is present.

TEMPERATURE CONTROL SYSTEM FOR ADDITIVE MANUFACTURING AND METHOD FOR SAME

The invention relates to a temperature control system for additive manufacturing and method for same. The temperature control system comprises: a cladding device configured to fuse a material and form a cladding layer, the cladding device comprising a first energy source; a micro-forging device coupled to the cladding device for forging the cladding layer; a detecting device; a control module; and an adjusting module coupled to at least one of the first energy source and the micro-forging device.

Hot compaction and extrusion of L12 aluminum alloys

Hot-strength corrosion resistant compounds and bodies and their production

A rigid body consisting of a compound of silicon and a metal selected from the group consisting of uranium, molybdenum, chromium, zirconium, and titanium, the metal and silicon being in the proportions RSi2, where R is the selected metal, is formed by subjecting the compound in the form of finely comminuted particles to heat and pressure. The compound may be produced in a finely divided state by mixing one molecular part of the powdered metal with two molecular parts of silicon, heating the mixture to a temperature over 800 DEG C. but below the melting point of the metal to form the compound by an exothermic reaction and grinding the powder.ALSO:A rigid body consisting of a compound of silicon and a metal selected from the group consisting of uranium, molybdenum, chromium, zirconium and titanium, the metal and silicon being in the proportions RSi2 where R is the selected metal, is formed by subjecting the compound in the form of finely comminuted particles to heat and pressure. The compound ...

Pulvermetallzahnrad mit variierender Einsatzhärte und Verfahren dafür

Zahnrad, umfassend: eine Mehrzahl von Zähnen (52), wobei jeder Zahn eine erste Oberfläche (54) und einen Zahnfuß (56) aufweist; und ein Profil (58) mit variierender Einsatzhärtetiefe, das in der Mehrzahl von Zähnen ausgebildet ist, wobei das variierende Einsatzhärtetiefenprofil eine verbesserte Tragfestigkeit des Zahns an der ersten Oberfläche und verbesserte Biegeermüdungseigenschaften am Zahnfuß aufweist.

Verfahren zum Erhalten eines Zahnrads mit variierender Einsatzhärtetiefe

Verfahren zum Erhalten eines Zahnrads, wobei das Zahnrad ein Kegelzahnrad (50) ist, das aus Pulvermetall hergestellt ist, mit einem variierenden Einsatzhärtetiefenprofil, das in einer Mehrzahl von Zähnen ausgebildet ist, welches nacheinander die folgenden Schritte umfasst: Verdichten (24) eines Metallpulvers zu einem Vorformling (84) mit einem nahezu einheitlichem Anfangskohlenstoffgehalt in dem gesamten Vorformling, wobei der Vorformling mindestens eine Querschnittsfläche aufweist, die ein variierendes Einsatzhärtetiefenprofil bekommen soll; Sintern (26) und Aufkohlen ( 28) des Vorformlings, und zwar nacheinander oder gleichzeitig, bei einer gewünschten Temperatur, wobei beim Aufkohlen im Wesentlichen ein Anfangskohlenstoffgehalt erhöht wird, indem eine kontrollierte Kohlenstoffatmosphäre bereitgestellt wird, und der Vorformling während einer vorgegebenen Zeitspanne in der kontrollierten Atmosphäre gehalten wird, um eine im Wesentlichen konstante Kohlenstoff-Einsatzhärtetiefe zu erzielen ...

A method of Forming a Metal Component

A method of forming a metal component

TOOLS WITH THERMALMECHANICALLY CHANGED WORK AREA AND PROCEDURES FOR THE FIGURATION OF SUCH TOOLS

PROCEEDED OF PREPARATION Of a PART IN SUPERALLOY BASES NICKEL AND PART THUS PREPAREE

TOOLS WITH A THERMO-MECHANICALLY MODIFIED WORKING REGION AND METHODS OF FORMING SUCH TOOLS

Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool (10) includes a working region containing steel altered by a thermo-mechanical process to contain modified carbide and/or alloy bands (24). In use, a surface (18) of the working region contacts a workpiece (25) when the tool (10) is used to perform a metal-forming operation.

PROCEEDED OF PREPARATION Of a PART IN SUPERALLOY BASES NICKEL AND PART THUS PREPAREE

Procédé de préparation d'une pièce en superalliage base nickel par métallurgie des poudres: - élaboration d'un superalliage de composition 18% = Cr = 24% ; 6% = Mo = 10%; 2,5% = Nb = 5%; traces = Fe = 10%; traces = Al = 1%; 0,5% = Ti = 2,5% ; traces = B = 0,01%; traces = Mn = 0,35% ; traces = Si = 0,2% ; traces = C = 0,05% ; traces = Co = 2% ; traces = Ta = 0,5% ; traces = Mg = 0,05% ; traces = P = 0,015%; traces = S = 0,01 % ; le reste étant du nickel et des impuretés. - atomisation d'une masse fondue dudit superalliage pour obtenir une poudre ; - tamisage de ladite poudre; - introduction de la poudre dans un container; - fermeture et mise sous vide du container ; - densification de la poudre et du container par mise sous pression de l'ensemble pour obtenir un lingot ou une billette ; - mise en forme à chaud dudit lingot ou de ladite billette; caractérisé en ce que la densification est réalisée à 500 à 1500 bar, à une température à laquelle la fraction volumique de phase liquide dans le superalliage est comprise entre 0,5 et 10%, la température et la pression étant maintenues pendant 3 à 16 h, et en ce que le forgeage est réalisé sans traitement thermique intermédiaire après la densification de la poudre. Pièce mise en forme à chaud ainsi produite. Process for the preparation of a nickel-base superalloy part by powder metallurgy: preparation of a superalloy of composition 18% = Cr = 24%; 6% = Mo = 10%; 2.5% = Nb = 5%; traces = Fe = 10%; traces = Al = 1%; 0.5% = Ti = 2.5%; traces = B = 0.01%; traces = Mn = 0.35%; traces = Si = 0.2%; traces = C = 0.05%; traces = Co = 2%; traces = Ta = 0.5%; traces = Mg = 0.05%; traces = P = 0.015%; traces = S = 0.01%; the rest being nickel and impurities. atomizing a melt of said superalloy to obtain a powder; sieving said powder; - introduction of the powder into a container; - closing and evacuation of the container; densification of the powder and the container by pressurizing the assembly to obtain an ingot or a ...

TOOLS WITH A THERMO-MECHANICALLY MODIFIED WORKING REGION AND METHODS OF FORMING SUCH TOOLS

Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool (10) includes a working region containing steel altered by a thermo- mechanical process to contain modified carbide and/or alloy bands (24). In use, a surface (18) of the working region contacts a workpiece (25) when the tool (10) is used to perform a metal-forming operation.

Powder metal forging and method and apparatus of manufacture

A method of forming a powder metal forging, including the steps of: forming a preform including a sintered powder metal composition; inserting the preform in a die set having a bottom die and a top die, the die set defining a forge form therewithin, the die set being in a closed position wherein the top die is contacting the bottom die; and compressing the preform in the forge form using an upper punch and a lower punch, the compressing step resulting in a formed part. The closed die set minimizes or eliminates flash in the formed part, particularly in the contoured surfaces, which allows the forging to be through hardened by direct quenching after the forging operation, without the need to remove hardened flash from these surfaces.

LEAD-FREE, HIGH-SULPHUR AND EASY-CUTTING COPPER-MANGANESE ALLOY AND PREPARATION METHOD THEREOF

Disclosed are a lead-free, high-sulphur and easy-cutting copper-manganese alloy and preparation method thereof. The alloy comprises the following components in percentage by weight: 52.0-95.0 wt. % of copper, 0.01-0.20 wt. % of phosphorus, 0.01-20 wt. % of tin, 0.55-7.0 wt. % of manganese, 0.191-1.0 wt. % of sulphur, one or more metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur, with the sum of the contents thereof no more than 2.0 wt. %, and the balance being zinc and inevitable impurities, wherein the metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur are nickel, iron, tungsten, cobalt, molybdenum, antimony, bismuth and niobium. The copper alloy is manufactured by a powder metallurgy method, in which after uniformly mixing the alloy powder, sulphide powder and nickel powder, pressing and shaping, sintering, re-pressing, and re-sintering are carried out to obtain the copper alloy, and the resulting copper alloy is thermally treated. 1. A lead-free , high-sulphur and easy-cutting copper-manganese alloy , wherein: the alloy comprises the following components in percentage by weight are Cu 52.0-95.0 wt. % , P 0.001-0.20 wt. % , Sn 0.01-20 wt. % , Mn 0.55-7.0 wt. % , S 0.191-1.0 wt. %; one or more metals other than Zn that have an affinity to sulphur less than the affinity of manganese to sulphur , with the sum of the contents thereof not more than 2.0 wt. % , and the balance being Zn and inevitable impurities , where Pb is not more than 0.05 wt. %.2. The lead-free claim 1 , high-sulphur and easy-cutting copper-manganese alloy according to claim 1 , wherein: the said metals other than Zn that have an affinity to sulphur less than the affinity of manganese to sulphur are Ni claim 1 , Fe claim 1 , W claim 1 , Co claim 1 , Mo claim 1 , Sb claim 1 , Bi and Nb.3. The lead-free claim 2 , high-sulphur and easy-cutting copper-manganese alloy according to claim 2 , wherein: ...

TOOLS WITH A THERMO-MECHANICALLY MODIFIED WORKING REGION AND METHODS OF FORMING SUCH TOOLS

Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool (10) includes a working region containing steel altered by a thermo-mechanical process to contain modified carbide and/or alloy bands (24). In use, a surface (18) of the working region contacts a workpiece (25) when the tool (10) is used to perform a metal-forming operation.

METHOD OF MAKING A METAL MATRIX COMPOSITE MATERIAL

Described herein is a method for making a metal matrix composite material comprising: (a) forming a metal box comprising a bottom forming plate having a length and a width, a first pair of side forming plates having a length and a height, and a second pair of side forming plates having a width and a height; (b) mixing a metal powder and a ceramic powder to prepare a mixed powder; (c) filling the metal box with the mixed powder; (d) compacting the mixed powder in the metal box to provide the metal box comprising a compacted powder preform; (e) disposing a top forming plate onto the metal box in solid abutment against the metal box comprising the compacted powder preform and sealing around its edges to produce a pre-rolling assembly; and (f) performing hot working on the pre-rolling assembly to obtain the metal matrix composite material with a metal cladding.

IRON-BASED ALLOY POWDER FOR POWDER METALLURGY, AND SINTER-FORGED MEMBER

The present invention contains 2.0-5.0% by mass of Cu, the remainder comprising Fe and unavoidable impurities, 1/10-8/10 of the amount of Cu being diffused and bonded in the form of a powder to the surfaces of an iron powder which is a raw material for an iron-based alloy powder, and the remainder of the Cu being included as a pre-alloy in the iron powder, whereby an iron-based alloy powder for powder metallurgy is obtained which enables manufacturing of a sinter-forged member having excellent compressibility relative to the conventional Cu pre-alloyed iron-based alloy powder while at the same time having high strength despite being sintered at a lower temperature than a conventional-type iron-based alloy powder in which Cu powder is mixed.

Variable case depth powder metal gear and method thereof

A gear and a method of making a forged powder metal gear having a plurality of teeth and a variable case depth profile forged in the plurality of teeth. Each tooth of the plurality of teeth has a first surface and a tooth root. A variable case depth profile is formed in each tooth of the plurality of teeth, whereby the variable case depth profile exhibits greater tooth wear resistance on the first surface and greater impact resistance in the tooth root.

METHOD FOR PRODUCING A COMPONENT FROM A COMPOSITE MATERIAL COMPRISING A METAL MATRIX AND INCORPORATED INTERMETALLIC PHASES

The present invention relates to a method for producing a component of a composite material comprising a metal matrix and incorporated intermetallic phases, which method comprises 1. A method for producing a component of a composite material comprising a metal matrix and incorporated intermetallic phases , wherein the method comprises:providing powders of at least one member from the group which comprises pure chemical elements, alloys, chemical compounds and material composites, the powders corresponding overall to a chemical composition which the composite material to be produced is intended to have, each individual powder having a chemical composition which is different from the chemical composition of the composite material to be produced,compacting the powders,bonding the powders to one another to form a unit and thermoplastically shaping the unit.2. The method of claim 1 , wherein compaction and/or bonding of the powders and/or thermoplastic shaping of the unit are carried out in a combined process.3. The method of claim 1 , wherein compaction and/or bonding of the powders and/or thermoplastic shaping of the unit are carried out in separate individual steps.4. The method of claim 1 , wherein prior to compaction of the powders the powders are mixed.5. The method of claim 1 , wherein after the thermoplastic shaping claim 1 , finishing is carried out claim 1 , the finishing comprising at least one of a heat treatment claim 1 , a mechanical finishing claim 1 , a surface treatment claim 1 , and coating.6. The method of claim 1 , wherein the powders comprise one or more of elemental particles claim 1 , alloy particles claim 1 , coated particles claim 1 , particles of intermetallic phases claim 1 , chemical compounds.7. The method of claim 1 , wherein the metal matrix is formed by a molybdenum alloy in which silicides are incorporated.8. The method of claim 1 , wherein the compaction is carried out by cold pressing.9. The method of claim 1 , wherein the bonding is ...

Powder hot forging manufacturing method for high-silicon steel thin strip

PROCESS FOR PREPARING A NICKEL-BASED SUPERALLOY PART AND PART THUS PREPARED

Process for preparing a nickel-based superalloy part by powder metallurgy: - manufacture of a superalloy with the composition 18 % ≤ Cr ≤ 24 %; 6 % ≤ Mo ≤ 10 %; 2.5 % ≤ Nb ≤ 5 %; traces ≤ Fe ≤ 10 %; traces ≤ Al ≤ 1 %; 0.5 % ≤ Ti ≤ 2.5 %; traces ≤ B ≤ 0,01 %; traces ≤ Mn ≤ 0.35 %; traces ≤ Si ≤ 0.2 %; traces ≤ C ≤ 0.05 %; traces ≤ Co ≤ 2 %; traces ≤ Ta ≤ 0.5 %; traces ≤ Mg ≤ 0.05 %; traces ≤ P ≤ 0.015 %; traces ≤ S ≤ 0.01 %; the rest being nickel and impurities; - atomisation of a molten mass of said superalloy in order to obtain a powder; - screening of said powder; - introduction of the powder into a container; - closure of and application of a vacuum to the container; - densification of the powder and the container by pressurizing them both in order to obtain an ingot or a billet; - hot forming of said ingot or said billet; The densification process is carried out at 500 to 1500 bar, at a temperature at which the fraction by volume of liquid phase in the superalloy is between 0.5 and ...

IRON-BASED ALLOY POWDER FOR POWDER METALLURGY, AND SINTER-FORGED MEMBER

The present invention contains 2.0-5.0% by mass of Cu, the remainder comprising Fe and unavoidable impurities, 1/10-8/10 of the amount of Cu being diffused and bonded in the form of a powder to the surfaces of an iron powder which is a raw material for an iron-based alloy powder, and the remainder of the Cu being included as a pre-alloy in the iron powder, whereby an iron-based alloy powder for powder metallurgy is obtained which enables manufacturing of a sinter-forged member having excellent compressibility relative to the conventional Cu pre-alloyed iron-based alloy powder while at the same time having high strength despite being sintered at a lower temperature than a conventional-type iron-based alloy powder in which Cu powder is mixed.

선택적 소결에 의한 3D 프린팅 방법 및 장치

... 3차원 대상체를 빌드하기 위한 시스템은, 빌딩 트레이 상에 파우더 재료의 층을 적용하기 위한 파우더 운반 스테이션, 상기 층 상에 마스크 패턴을 프린트하기 위한 디지털 프린팅 스테이션, 소결되는 것으로 상기 마스크에 의해서 규정된 상기 층의 상기 부분을 선택적으로 소결하기 위한 소결 스테이션 및 상기 3차원 대상체를 함께 형성하는 복수 개의 층들을 빌드하기 위해, 상기 빌딩 트레이를 상기 파우더 운반 스테이션, 디지털 프린팅 스테이션 및 소결 스테이션의 각각으로 반복적으로 진행시키는 스테이지를 포함한다. 상기 마스크 패턴은 소결되는 상기 층의 네거티브 부분(negative portion)을 규정한다.

금속 매트릭스 복합 재료의 제조 방법

... 본 명세서에는 (a) 길이와 폭을 갖는 하단 형성 판, 길이와 높이를 갖는 제1 쌍의 측면 형성 판, 및 폭과 높이를 갖는 제2 쌍의 측면 형성 판을 포함하는 금속 상자를 형성하는 단계; (b) 금속 분말 및 세라믹 분말을 혼합하여 혼합 분말을 제조하는 단계; (c) 금속 상자를 혼합 분말로 충전하는 단계; (d) 혼합 분말을 금속 상자 내에서 컴팩팅하여 컴팩팅된 분말 프리폼을 포함하는 금속 상자를 제공하는 단계; (e) 상단 형성 판을 컴팩팅된 분말 프리폼을 포함하는 금속 상자에 대해서 단단히 접합하게 금속 상자 상에 배치하고, 그의 모서리 둘레를 밀봉하여 프리-압연 어셈블리를 제조하는 단계; 및 (f) 프리-압연 어셈블리 상에서 열간 가공을 수행하여 금속 클래딩을 갖는 금속 매트릭스 복합 재료를 수득하는 단계를 포함하는, 금속 매트릭스 복합 재료의 제조 방법이 기술되어 있다.

Hot compaction and extrusion of L12 aluminum alloys

A method and apparatus produces high strength aluminum alloys from a powder containing L1 2 intermetallic dispersoids. The powder is degassed, sealed under vacuum in a container, consolidated by vacuum hot pressing, and extruded into useful shapes.

Method for preparing Fe-6.5% Si strip by powder hot forging and diffusion sintering processes

一种粉末热锻与扩散烧结制备Fe‑6.5％Si带材的方法，选取还原Fe粉与水雾化Fe粉，按照4:6～6:4的比例混合，再添加Si含量为70～80％的高纯硅铁粉，形成Fe‑Si混合粉。模压成方形坯，再加热到950～1020℃实现Fe相奥氏体化，经多次锻造后终锻温度为850～920℃，使得压坯接近全致密，然后将粉末热锻坯在1060～1160℃进行真空或还原气氛保护烧结，多次冷轧、低温烧结，在1250～1320℃高温扩散烧结，实现均质合金化，获得含4.5～6.7％Si的0.1～0.5mm厚，密度≥7.39g/cm 3 的高硅钢带材。

Method for producing magnesium-based thermoelectric conversion material, method for producing magnesium-based thermoelectric conversion element, magnesium-based thermoelectric conversion material, magnesium-based thermoelectric conversion element, and th

Gear, gear ring and method for integrally forming gear and gear ring through powder metallurgy

MOLYBDENUM MATERIAL

METHOD AND APPARATUS FOR 3D PRINTING BY SELECTIVE SINTERING

A system (100) for building a three dimensional object includes a powder delivery station (10) for applying a layer of powder material on a building tray (200), a digital printing station (30) for printing a mask pattern on the layer, a sintering station (50) for selectively sintering the portion of the layer that is defined by the mask to be sintered and a stage (250) for repeatedly advancing the building tray (200) to each of the powder delivery station, digital printing station and sintering station to build a plurality of layers that together form the three dimensional object. The mask pattern defines a negative portion of the layer to be sintered. Optionally, the system includes a die compaction station (40) for compacting per layer of powder material.

Method for preparing oxide dispersion strengthened alloy through powder forging

Kontinuierliches Strangpressverfahren für ein metallhaltigesSchüttgut und Metallpulverstrangpressanlage

Kontinuierliches Strangpressverfahren für ein metallhaltiges Schüttgut (13) zur Herstellung eines Strangpresskörpers, mit den folgenden Schritten: Einführen des metallhaltigen Schüttguts (13) in einen Presskanal (8) einer Metallpulverstrangpressanlage (1), der von einem rotierenden Extrusionsrad (2) und Presswerkzeugkomponenten begrenzt wird, die einen Dichtungsplatten (5, 6, 7) aufweisenden Einlaufbereich und einen Umlenkungsbereich mit einem Gegenhalter (11) und einer Zuführplatte (10) umfassen, Zuführen des metallhaltigen Schüttguts (13) über eine umlaufende Nut (3) des rotierenden Extrusionsrads (2) zu dem Gegenhalter (11) und Umlenken des verdichteten metallhaltigen Schüttguts (13) im Umlenkungsbereich durch die eine Öffnung aufweisende Zuführplatte (10) zu einer Matrize (12), wobei wenigstens eine der im Einlaufbereich angeordneten Dichtungsplatten (5, 6, 7) mittels einer Kühleinrichtung gekühlt wird. Daneben betrifft die Erfindung eine Metallpulverstrangpressanlage, die für die Durchführung ...

분말야금용 철계 합금 분말 및 소결단조부재

Cu를 2.0~5.0 질량% 함유하고, 잔부가 Fe 및 불가피한 불순물로 이루어지며, 이 Cu량의 1/10~8/10은 분말의 형태로 철계 합금 분말의 원료가 되는 철 분말의 표면에 확산부착하고, 또한 나머지 Cu는 예비 합금으로서 상기 철 분말에 포함함으로써, 종래의 Cu 예비 합금화 철계 합금 분말보다도 압축성이 우수함과 동시에, 종래의 Cu 분말을 혼합한 계통의 철계 합금 분말보다도 저온에서 소결하였다 해도 고강도의 소결단조부재를 제조하는 것이 가능한 분말야금용 철계 합금 분말을 얻는다.

Pulvermetall-Verbundzahnrad mit variierender Grenze sowie Verfahren

Geschmiedetes Verbundzahnrad, umfassend: einen Kern (56), der im Wesentlichen ein erstes Pulvermetallmaterial umfasst; eine Mehrzahl von Zähnen (52), die sich von dem Kern aus erstrecken und zumindest teilweise ein zweites Pulvermetallmaterial umfassen; und ein variierendes Grenzprofil (58), das zwischen dem ersten Pulvermetallmaterial und dem zweiten Pulvermetallmaterial ausgebildet ist, wobei das erste Pulvermetallmaterial eine größere Schlagfestigkeit vermittelt und das zweite Pulvermetallmaterial eine größere Verschleißfestigkeit vermittelt.

Verfahren zum Ausbilden eines Zahnrads mit mindestens zwei unterschied-lichen Pulvermetallmaterialien

Verfahren zum Ausbilden eines Zahnrads aus mindestens zwei unterschiedlichen Pulvermetallmaterialien, das nacheinander die folgenden Schritte umfasst: Vorformen mindestens zweier unterschiedlicher Pulvermetallmaterialien zu einem Vorformling (84) mit folgenden Schritten: Füllen (221) eines ersten Abschnitts einer Verdichtungsform mit einem ersten Pulvermetallmaterial, wobei die Gestalt der Verdichtungsform der Gestalt des Vorformlings entspricht; Füllen (222) eines zweiten Abschnitts der Verdichtungsform mit einem zweiten Pulvermetallmaterial; und Verdichten ( 224) der Pulver in der Verdichtungsform, um den Vorformling auszubilden; Sintern (226) des Vorformlings; Schmieden (232) des Vorformlings bei einer Schmiedetemperatur und einem Schmiededruck, um ein im Wesentlichen dichtes geschmiedetes Teil mit endgültiger Gestalt zu erhalten, das einen ersten Abschnitt bestehend aus dem ersten Pulvermetallmaterial und einen zweiten Abschnitt bestehend aus dem zweiten Pulvermetallmaterial sowie ein ...

Powder metallurgy powder and sintered iron-base alloy for forging part

TOOL WITH THERMO-MECHANICALLY MODIFIED WORKING REGION AND METHOD OF FORMING SUCH TOOL

PROBLEM TO BE SOLVED: To provide a tool with a thermo-mechanically modified working region and a method of forming such a tool. SOLUTION: The tool (10) is provided with the working region containing steel which is altered by a thermo-mechanical process to contain modified carbide and/or alloy bands (24). When using it, in the case of performing metal-forming operation by using the tool (10), the surface (18) of the working region is brought into contact with a workpiece (25). COPYRIGHT: (C)2009,JPO&INPIT ...

HIGH-STRENGTH FLAME RESISTANT MAGNESIUM ALLOY

A high-strength flame resistant magnesium alloy produced by adding, as a supplement additive, at least one member selected from among carbon (C), molybdenum (Mo), niobium (Nb), silicon (Si), tungsten (W), alumina (Al2O3), magnesium silicide (Mg2Si) and silicon carbide (SiC) to a small-piece block of flame resistant magnesium alloy resulting from addition of 0.5 to 5.0 mass% of calcium to a magnesium alloy, and subjecting the resultant matter to crushing, molding, sintering and plastic working. As the high-strength flame resistant magnesium alloy excels in joining capability, when it is applied to a filler metal, there can be attained an enhancement of weldability.

Alloying System

An alloying system for preparing a titanium alloy, the system comprising a rotating mill to mechanically alloy a mixture of elemental powders in predetermined proportions, the elemental powders including titanium particles, alpha stabilizer particles and beta stabilizer particles; wherein the mixture is mechanically alloyed using low impact energy to layer the titanium particles with beta stabilizer particles whereby sintering of the mechanically alloyed mixture produces alternate layers of alpha and beta stabilizer particles.

EISEN-BASIERTES LEGIERUNGSPULVER FÜR DIE PULVERMETALLURGIE UND EIN SINTERGESCHMIEDETES BAUTEIL

Ein Eisen-basiertes Legierungspulver für die Pulvermetallurgie enthält 2,0 Gew.% bis 5,0 Gew.% an Cu, wobei der Rest Fe und anfallende Verunreinigungen sind. Von 1/10 bis 8/10 des Cu ist diffusionsverbunden in Pulverform mit den Flächen des Eisenpulvers, das als ein Grundstoff für das Eisen-basierte Legierungspulver dient, und der Rest des Cu in diesem Eisenpulver als eine Vorlegierung enthalten ist. Das Eisen-basierte Legierungspulver hat eine überlegene Kompressibilität zu üblichen Cu-vorlegierten Eisen-basierten Legierungspulvern und ermöglicht die Herstellung eines hochfesten sintergeschmiedeten Bauteils, selbst wenn es bei einer niedrigeren Temperatur gesintert wird als übliche Eisen-basierte Legierungspulver, die gemischtes Cu-Pulver enthalten.

METHOD AND APPARATUS FOR 3D PRINTING BY SELECTIVE SINTERING

3차원 대상체를 빌드하기 위한 시스템은, 빌딩 트레이 상에 파우더 재료의 층을 적용하기 위한 파우더 운반 스테이션, 상기 층 상에 마스크 패턴을 프린트하기 위한 디지털 프린팅 스테이션, 소결되는 것으로 상기 마스크에 의해서 규정된 상기 층의 상기 부분을 선택적으로 소결하기 위한 소결 스테이션 및 상기 3차원 대상체를 함께 형성하는 복수 개의 층들을 빌드하기 위해, 상기 빌딩 트레이를 상기 파우더 운반 스테이션, 디지털 프린팅 스테이션 및 소결 스테이션의 각각으로 반복적으로 진행시키는 스테이지를 포함한다. 상기 마스크 패턴은 소결되는 상기 층의 네거티브 부분(negative portion)을 규정한다. A system for building a three-dimensional object includes a powder conveying station for applying a layer of powder material on a building tray, a digital printing station for printing a mask pattern on the layer, the mask defined by the mask as being sintered. To build a sintering station for selectively sintering the portion of the layer and a plurality of layers forming the three-dimensional object together, the building tray is repeatedly progressed to each of the powder conveying station, digital printing station and sintering station Includes a stage to let you. The mask pattern defines a negative portion of the layer to be sintered.

Forging deformation of L12 aluminum alloys

A method for producing a high strength aluminum alloy parts containing L12 dispersoids from an aluminum alloy powder containing the L12 dispersoids. The powder is consolidated into a billet having a density of about 100 percent. The billet is extruded using an extrusion die shaped to produce a forging billet. The L12 alloy billet is isothermally forged to produce a forging with improved mechanical properties.

IRON-BASED ALLOY POWDER FOR POWDER METALLURGY, AND SINTER-FORGED MEMBER

An iron-based alloy powder for powder metallurgy contains 2.0 mass % to 5.0 mass % of Cu, the balance being Fe and incidental impurities. From 1/10 to 8/10 of the Cu is diffusion bonded in powder-form to the surfaces of iron powder that serves as a raw material for the iron-based alloy powder, and the remainder of the Cu is contained in this iron powder as a pre-alloy. The iron-based alloy powder has superior compressibility to conventional Cu pre-alloyed iron-based alloy powders and enables production of a high strength sinter-forged member even when sintered at a lower temperature than conventional iron-based alloy powders containing mixed Cu powder. 1. An iron-based alloy powder for powder metallurgy in which Cu is diffusion bonded in powder-form to surfaces of raw material iron powder pre-alloyed with Cu , the iron-based alloy powder comprising2.0 mass % to 5.0 mass % of Cu, the balance being Fe and incidental impurities, wherein1/10 to 8/10 of the Cu is diffusion bonded to the surfaces of the raw material iron powder and the remainder of the Cu is pre-alloyed.2. A sinter-forged member having the iron-based alloy powder of as a precursor. This disclosure relates to an iron-based alloy powder that is a precursor powder for a powder metallurgical product, and to a sinter-forged member produced by sinter-forging using the iron-based alloy powder as a precursor.Among powder metallurgical products, sinter-forged products, in particular, are used as members that are required to have especially high strength, such as connecting rods for automobile engines.Iron-based alloy powders of an Fe—Cu—C type in which Cu powder and graphite powder are mixed with pure iron powder are commonly used as precursor powders for sinter-forged products (PTL 1 to 4). A machinability enhancer such as MnS may also be added to a precursor powder to enhance machinability (PTL 1, 4, and 5).In recent years, there has been demand for even higher strength materials for connecting rod applications ...

분말야금용 철계 합금 분말 및 소결단조부재

Cu를 2.0~5.0 질량% 함유하고, 잔부가 Fe 및 불가피한 불순물로 이루어지며, 이 Cu량의 1/10~8/10은 분말의 형태로 철계 합금 분말의 원료가 되는 철 분말의 표면에 확산부착하고, 또한 나머지 Cu는 예비 합금으로서 상기 철 분말에 포함함으로써, 종래의 Cu 예비 합금화 철계 합금 분말보다도 압축성이 우수함과 동시에, 종래의 Cu 분말을 혼합한 계통의 철계 합금 분말보다도 저온에서 소결하였다 해도 고강도의 소결단조부재를 제조하는 것이 가능한 분말야금용 철계 합금 분말을 얻는다.

AN ALLOYING SYSTEM

An alloying system for preparing a titanium alloy, the system comprising a rotating mill to mechanically alloy a mixture of elemental powders in predetermined proportions, the elemental powders including titanium particles, alpha stabilizer particles and beta stabilizer particles; wherein the mixture is mechanically alloyed using low impact energy to layer the titanium particles with beta stabilizer particles whereby sintering of the mechanically alloyed mixture produces alternate layers of alpha and beta stabilizer particles.

Equipartition of Nano Particles in a Metallic Matrix to Form a Metal Matrix Composite (MMC)

A metal matrix composite with a uniformly distributed ceramic component is made by mixing nano size ceramic particles with a surfactant and/or dispersing agent in a polar liquid to produce a colloidal solution, blending the ceramic particles with micron or sub-micron size metallic particles, and then compacting the blended ceramic and metallic particles into a solid mass. 1. A method of making a metal matrix composite comprising:mixing ceramic particles with a surfactant in a polar liquid solvent to produce a colloidal solution;blending metallic particles with the ceramic particles in the colloidal solution;removing the solvent;compacting the blended ceramic and metallic particles into a solid mass.2. The method of wherein the ceramic particles are in the range of approximately 5 to 1000 nanometers in diameter.3. The method of wherein the metallic particles are less than approximately 2 microns in size.4. The method of wherein the polar liquid is an alcohol.5. The method of wherein the polar liquid is isopropyl alcohol.6. The method of wherein the surfactant is a phosphonic acid.7. The method of wherein the surfactant is hexylphosphonic acid.8. The method of further comprising adding a soluble polymer dispersing agent to the polar liquid solvent.9. The method of wherein the soluble polymer dispersing agent is poly vinyl pirrolidone.10. The method of wherein the ceramic and metallic particles are blended ultrasonically.11. The method of wherein the ceramic and metallic particles are blended in a dry state.12. The method of wherein the ceramic and metallic particles are blended in a polar liquid.13. The method of wherein the ceramic and metallic particles are blended with a high shear blender.14. The method of wherein the blended ceramic and metallic particles are compacted by cold isostatic pressing and sintering.15. The method of wherein the blended ceramic and metallic particles are compacted by vacuum hot pressing.16. The method of wherein the blended ceramic and ...

BLADE OF A TURBOMACHINE MADE OF DIFFERENT MATERIALS AND METHOD FOR THE PRODUCTION THEREOF

The present invention relates to a blade for a turbomachine, in particular for an aircraft engine, which comprises a blade root (2) for arranging the blade (1) in the turbomachine and a main blade part (3) for interaction with a fluid flowing through the turbomachine, the blade root and the main blade part being formed from different materials and the main blade part being formed from a metal-intermetallic composite material. The metal matrix, in which intermetallic phases are incorporated for forming the metal-intermetallic composite material, is formed by a molybdenum alloy. The invention also relates to a corresponding method for producing such a blade.

pó de liga à base de ferro para metalurgia em pó, e membro sínter-forjado

Method and apparatus for 3d printing by selective sintering

VARIABLE CASE DEPTH POWDER METAL GEAR AND METHOD THEREOF

A gear and a method of making a forged powder metal gear having a plurality of teeth and a variable case depth profile forged in the plurality of teeth. Each tooth of the plurality of teeth has a first surface and a tooth root. A variable case depth profile is formed in each tooth of the plurality of teeth, whereby the variable case depth profile exhibits greater tooth wear resistance on the first surface and greater impact resistance in the tooth root.

Apparatus and method of rotary forging with induction heating

An apparatus and method for rotary forging a workpiece is disclosed which includes a manipulator for grasping and advancing the workpiece axially along a predetermined path of travel through a rotary forge mounted adjacent the manipulator. The rotary forge includes cooperating pairs of forging dies which work and reshape the workpiece. At least one induction heating coil located in-line with the path of travel of the workpiece through the forge is mounted adjacent the forge for selectively heating the workpiece as it is advanced into the rotary forge.

Tools with a thermo-mechanically modified working region and methods of forming such tools

Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool (10) includes a working region containing steel altered by a thermo-mechanical process to contain modified carbide and/or alloy bands (24). In use, a surface (18) of the working region contacts a workpiece (25) when the tool (10) is used to perform a metal-forming operation.

COMPOSITE POWDER METAL VARIABLE BOUNDARY GEAR AND METHOD

A forged composite gear and a method of making a forged composite powder metal gear. The forged composite gear includes a plurality of teeth extending from a core, a first section having a first powder metal material, a second section having a second powder metal material and a variable boundary profile. The variable boundary profile is formed between the first section and the second section, whereby said variable boundary profile exhibits greater tooth wear resistance on the teeth and greater impact resistance in the core.

Cold additive and hot forging combined forming method of amorphous alloy parts

The present invention discloses a cold additive and hot forging combined forming method of amorphous alloy parts. The present invention belongs to the field of cold additive manufacturing technology and thermoplastic forming of amorphous alloy, and more particularly relates to a cold additive and hot forging combined forming method of amorphous alloy parts, the method comprising: (1) making amorphous alloy powder into a pre-forging blank by the micro-jetting and bonding 3D printing technology; and (2) placing the pre-forging blank in the step (1) in a closed forging die to perform hot closed-die forging so as to obtain an amorphous alloy part, wherein the contour size and shape of the pre-forging blank are designed according to the contour size and shape of the inner cavity of the closed forging die; and an exhaust hole is provided in the closed forging die such that gas generated by gasification or decomposition of the binder at a hot die forging temperature is discharged through the exhaust ...

Method for preparing ultra-long-tube type fine-grain molybdenum tube target

A method for preparing an ultra-long-tube type fine-grain molybdenum tube target uses molybdenum powder with the purity being greater than 3N to prepare a target tube with a uniform wall thickness, where the length is 1700-2700 mm; the diameter is greater than 150 mm; and the wall thickness is 15-40 mm. The method includes: taking molybdenum powder, feeding the molybdenum powder into a film, molding by static pressing, placing in a medium frequency furnace, performing hydrogen sintering to form a tube blank, placing into a mold, forging the mold of a tube target, placing into tempering furnace, annealing, forming fine-grain structures, fine processing, washing, and drying to prepare a molybdenum tube target. The method overcomes defects of a sintering process and a forging process, and relates to simple processes, easy industrial production and control, reduced pollution, reduced cost, improved quality, and remarkably improved production efficiency.

POWDER METAL FORGING AND METHOD AND APPARATUS OF MANUFACTURE

A method of forming a powder metal forging, including the steps of: forming a preform including a sintered powder metal composition; inserting the preform in a die set having a bottom die and a top die, the die set defining a forge form therewithin, the die set being in a closed position wherein the top die is contacting the bottom die; and compressing the preform in the forge form using an upper punch and a lower punch, the compressing step resulting in a formed part. The closed die set minimizes or eliminates flash in the formed part, particularly in the contoured surfaces, which allows the forging to be through hardened by direct quenching after the forging operation, without the need to remove hardened flash from these surfaces.

Lead-free, high-sulphur and easy-cutting copper-manganese alloy and preparation method thereof

Disclosed are a lead-free, high-sulphur and easy-cutting copper-manganese alloy and preparation method thereof. The alloy comprises the following components in percentage by weight: 52.0-95.0 wt. % of copper, 0.01-0.20 wt. % of phosphorus, 0.01-20 wt. % of tin, 0.55-7.0 wt. % of manganese, 0.191-1.0 wt. % of sulphur, one or more metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur, with the sum of the contents thereof no more than 2.0 wt. %, and the balance being zinc and inevitable impurities, wherein the metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur are nickel, iron, tungsten, cobalt, molybdenum, antimony, bismuth and niobium. The copper alloy is manufactured by a powder metallurgy method, in which after uniformly mixing the alloy powder, sulphide powder and nickel powder, pressing and shaping, sintering, re-pressing, and re-sintering are carried out to obtain the copper alloy, and ...

Tools with a thermo-mechanically modified working region and methods of forming such tools

An method for preparing titanium alloy

用于制备钛合金的合金化系统，所述系统包括：对预定比例的元素粉末的混合物进行机械合金化的旋转研磨机，所述元素粉末包括钛颗粒、α稳定剂颗粒和β稳定剂颗粒；其中，用低冲击能将所述混合物机械合金化，以使所述钛颗粒与β稳定剂颗粒一起成层，然后对经机械合金化的混合物进行烧结，生成α和β稳定剂颗粒的交替层。

POWDER METAL FORGING AND METHOD AND APPARATUS OF MANUFACTURE

Iron-based alloy powder for powder metallurgy, and sinter-forged member

An iron-based alloy powder for powder metallurgy contains 2.0 mass% to 5.0 mass% of Cu, the balance being Fe and incidental impurities. From 1/10 to 8/10 of the Cu is diffusion bonded in powder-form to the surfaces of iron powder that serves as a raw material for the iron-based alloy powder, and the remainder of the Cu is contained in this iron powder as a pre-alloy. The iron-based alloy powder has superior compressibility to conventional Cu pre-alloyed iron-based alloy powders and enables production of a high strength sinter-forged member even when sintered at a lower temperature than conventional iron-based alloy powders containing mixed Cu powder.

Method and apparatus for 3D printing by selective sintering

A system (100) for building a three dimensional object includes a powder delivery station (10) for applying a layer of powder material on a building tray (200), a digital printing station (30) for printing a mask pattern on the layer, a sintering station (50) for selectively sintering the portion of the layer that is defined by the mask to be sintered and a stage (250) for repeatedly advancing the building tray (200) to each of the powder delivery station, digital printing station and sintering station to build a plurality of layers that together form the three dimensional object. The mask pattern defines a negative portion of the layer to be sintered. Optionally, the system includes a die compaction station (40) for compacting per layer of powder material.

METAL MATRIX COMPOSITE GRANULES AND METHODS OF MAKING AND USING THE SAME

Metal matrix composite granules are disclosed comprising a ceramic phase dispersed in a matrix phase. The matrix phase includes aluminum or an aluminum alloy. The granules have an average particle size in the range of from about 100 μm to about 1,000 μm. Also disclosed are methods for producing the granules or articles or processes for using the granules to produce various articles, among other things. 1. A composition comprising granules of a metal matrix composite;wherein the metal matrix composite comprises a ceramic dispersed phase in an aluminum or aluminum alloy matrix; andwherein the granules have an average particle size of from about 100 μm to about 1,000 μm.2. The composition of claim 1 , wherein the granules have an average particle size of from about 200 μm to about 800 μm.3. The composition of claim 1 , wherein the ceramic dispersed phase comprises at least one ceramic material selected from the group consisting of carbides claim 1 , oxides claim 1 , silicides claim 1 , borides claim 1 , and nitrides.4. The composition of claim 1 , wherein the ceramic dispersed phase comprises at least one ceramic material selected from the group consisting of silicon carbide claim 1 , titanium carbide claim 1 , boron carbide claim 1 , silicon nitride claim 1 , titanium nitride claim 1 , zirconium oxide claim 1 , aluminum oxide claim 1 , aluminum nitride claim 1 , and titanium oxide.5. The composition of claim 1 , wherein the aluminum alloy further comprises at least one element selected from the group consisting of chromium claim 1 , copper claim 1 , lithium claim 1 , magnesium claim 1 , manganese claim 1 , nickel claim 1 , iron claim 1 , vanadium claim 1 , zinc claim 1 , and silicon.6. The composition of claim 1 , wherein the aluminum alloy comprises from about 91.2 wt % to about 94.7 wt % aluminum claim 1 , from about 3.8 wt % to about 4.9 wt % copper claim 1 , from about 1.2 wt % to about 1.8 wt % magnesium claim 1 , and from about 0.3 wt % to about 0.9 wt % ...

A lead-free free-cutting high-sulfur manganese-containing copper alloy and its manufacturing method

Tools with a thermo-mechanically modified working region and methods of forming such tools

Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool (10) includes a working region containing steel altered by a thermomechanical process to contain modified carbide and/or alloy bands (24). In use, a surface (18) of the working region contacts a workpiece (25) when the tool (10) is used to perform a metal-forming operation.

Molybdenum

本发明的课题在于提供一种钼材料，其具有如下所述的工业性优势：该钼材料能够在低于以往的温度下引起二次再结晶，并且能够使得二次再结晶后的组织由晶界少的巨大的晶粒构成且耐蠕变特性优异。本发明的钼材料沿着板厚方向距表面相当于总厚度的5分之1的深度的区域中，至少一部分具有如下所述的部分：进行X射线衍射测定的情况下，该部分存在有晶体衍射面(110)和(220)各自的峰强度小于(211)的峰强度的区域。

Tools with a thermo-mechanically modified working region and methods of forming such tools

COLD ADDITIVE AND HOT FORGING COMBINED FORMING METHOD OF AMORPHOUS ALLOY PARTS

The present invention discloses a cold additive and hot forging combined forming method of amorphous alloy parts. The present invention belongs to the field of cold additive manufacturing technology and thermoplastic forming of amorphous alloy, and more particularly relates to a cold additive and hot forging combined forming method of amorphous alloy parts, the method comprising: (1) making amorphous alloy powder into a pre-forging blank by the micro-jetting and bonding 3D printing technology; and (2) placing the pre-forging blank in the step (1) in a closed forging die to perform hot closed-die forging so as to obtain an amorphous alloy part, wherein the contour size and shape of the pre-forging blank are designed according to the contour size and shape of the inner cavity of the closed forging die; and an exhaust hole is provided in the closed forging die such that gas generated by gasification or decomposition of the binder at a hot die forging temperature is discharged through the exhaust hole in the closed forging die. In the present invention, a bulk amorphous alloy part with a large size and a complex shape can be prepared by the cold additive and hot forging combined forming method. 1. A cold additive and hot forging combined forming method of amorphous alloy parts , comprising:(1) making amorphous alloy powder into a pre-forging blank by the micro-jetting and bonding 3D printing technology, specifically comprising: laying powder first, and then spraying binder to form a bonding layer; and repeating the operations of powder laying and binder spraying until a three-dimensional pre-forging blank is printed; and(2) placing the pre-forging blank in the step (1) in a closed forging die to perform hot closed-die forging so as to obtain an amorphous alloy part,wherein the contour size and shape of the pre-forging blank are designed according to the contour size and shape of the inner cavity of the closed forging die; and an exhaust hole is provided in the closed ...

Temperature control system and method for additive manufacturing

For vessel of dispersion strengthened material and its preparation method and application

Method for producing a component from a composite material comprising a metal matrix and incorporated intermetallic phases

The present invention relates to a method for producing a component of a composite material comprising a metal matrix and incorporated intermetallic phases, which method comprises providing powders of at least one member of the group which comprises pure chemical elements, alloys, chemical compounds and material composites, the powder corresponding overall to the chemical composition which the composite material to be produced is intended to have, each individual powder being different to the chemical composition of the composite material to be produced, compacting the powders, bonding the powders to one another to form a unit and thermoplastically shaping the unit.

An alloying system

In-situ synthesized ZrN reinforced copper-based composite material as well as preparation method and application thereof

Method for manufacturing magnesium-based thermoelectric conversion material, method for manufacturing magnesium-based thermoelectric conversion element, magnesium-based thermoelectric conversion material, magnesium-based thermoelectric conversion element, and thermoelectric conversion device

A method for manufacturing a magnesium-based thermoelectric conversion material of the present invention includes a raw material-forming step of forming a raw material for sintering by adding silicon oxide in an amount within a range equal to or greater than 0.5 mol % and equal to or smaller than 13.0 mol % to a magnesium-based compound, and a sintering step of heating the raw material for sintering at a temperature within a range equal to or higher than 750° C. and equal to or lower than 950° C. while applying pressure equal to or higher than 10 MPa to the raw material for sintering so as to form a sintered substance.

pó de liga à base de ferro para metalurgia em pó, e membro sínter-forjado

Powder metal forging and method and apparatus of manufacture

A method of forming a powder metal forging, including the steps of: forming a preform including a sintered powder metal composition; inserting the preform in a die set having a bottom die and a top die, the die set defining a forge form therewithin, the die set being in a closed position wherein the top die is contacting the bottom die; and compressing the preform in the forge form using an upper punch and a lower punch, the compressing step resulting in a formed part. The closed die set minimizes or eliminates flash in the formed part, particularly in the contoured surfaces, which allows the forging to be through hardened by direct quenching after the forging operation, without the need to remove hardened flash from these surfaces.

Method for preparing Fe-6.5% Si strip through diffusion sintering and powder hot forging

金属粉末鍛造物を製造する方法及びその方法によって製造された金属粉末鍛造物

Tools with a thermo-mechanically modified working region and methods of forming such tools

Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool (10) includes a working region containing steel altered by a thermo-mechanical process to contain modified carbide and/or alloy bands (24). In use, a surface (18) of the working region contacts a workpiece (25) when the tool (10) is used to perform a metal-forming operation.

TOOLS WITH A THERMO-MECHANICALLY MODIFIED WORKING REGION AND METHODS OF FORMING SUCH TOOLS

Forging deformation of L12 aluminum alloys

Method for preparing Fe-6.5% Si soft magnetic material thin strip by powder hot forging process

Alloying System

An alloying system for preparing a titanium alloy, the system comprising a rotating mill to mechanically alloy a mixture of elemental powders in predetermined proportions, the elemental powders including titanium particles, alpha stabilizer particles and beta stabilizer particles; wherein the mixture is mechanically alloyed using low impact energy to layer the titanium particles with beta stabilizer particles whereby sintering of the mechanically alloyed mixture produces alternate layers of alpha and beta stabilizer particles.

Iron-based alloy powder for powder metallurgy, and sinter-forged member

An iron-based alloy powder for powder metallurgy contains 2.0 mass % to 5.0 mass % of Cu, the balance being Fe and incidental impurities. From 1/10 to 8/10 of the Cu is diffusion bonded in powder-form to the surfaces of iron powder that serves as a raw material for the iron-based alloy powder, and the remainder of the Cu is contained in this iron powder as a pre-alloy. The iron-based alloy powder has superior compressibility to conventional Cu pre-alloyed iron-based alloy powders and enables production of a high strength sinter-forged member even when sintered at a lower temperature than conventional iron-based alloy powders containing mixed Cu powder.

METHOD FOR FORMING CENTER LINK OF CONNECTING ROD FOR VARIABLE DISPLACEMENT ENGINE

A method includes powder forging and machining a workpiece that is fractured to divide the workpiece into separate components. In a green form in which the workpiece is formed of compacted powdered metal and has a body that is generally shaped as a parallelepiped with a pair of end faces. The body defines a bore, a pair of V-notches and a pair of channels. The V-notches are formed into the bore parallel to the central axis of the bore and cooperate to define a separation plane. Each of the channels is formed in an associated one of the end faces at a location where the separation plane intersects the end face. During forging, the channels are closed but create a stress riser that aids in directing the fracture when the components are separated from one another.

Manufacturing method of vanadium tungsten titanium alloy sphere shell component

Iron-based alloy powder for powder metallurgy, and sinter-forged member

Tools with a thermo-mechanically modified working region and methods of forming such tools

Hot compaction and extrusion of L12 aluminum alloys

A method and apparatus produces high strength aluminum alloys from a powder containing L12 intermetallic dispersoids. The powder is degassed, sealed under vacuum in a container, consolidated by vacuum hot pressing, and extruded into useful shapes.

Nanostructured superalloy structural components and methods of making

A superalloy-containing structural component includes a superalloy matrix, and a plurality of hard phase nanoparticles dispersed at grain boundaries within the superalloy matrix, wherein the plurality of hard phase nanoparticles dispersed at the grain boundaries comprise about 1 volume percent to about 30 volume percent of the structural component, and wherein the superalloy matrix and the plurality of hard phase nanoparticles dispersed at the grain boundaries within the base superalloy matrix have been thermo-mechanically processed to form the structural component. A method for making a structural component includes introducing dislocations into a superalloy particle matrix effective to form new grain boundaries within a plurality of superalloy particles, introducing hard phase dispersoid nanoparticles at a plurality of grain boundaries of the superalloy particles effective to pin the grain boundaries, and thermo-mechanically processing the superalloy particles and hard phase dispersoid ...

METHOD FOR PREPARING ULTRA-LONG-TUBE TYPE FINE-GRAIN MOLYBDENUM TUBE TARGET

A method for preparing an ultra-long-tube type fine-grain molybdenum tube target uses molybdenum powder with the purity being greater than 3N to prepare a target tube with a uniform wall thickness, where the length is 1700-2700 mm; the diameter is greater than 150 mm; and the wall thickness is 15-40 mm. The method includes: taking molybdenum powder, feeding the molybdenum powder into a film, molding by static pressing, placing in a medium frequency furnace, performing hydrogen sintering to form a tube blank, placing into a mold, forging the mold of a tube target, placing into tempering furnace, annealing, forming fine-grain structures, fine processing, washing, and drying to prepare a molybdenum tube target. The method overcomes defects of a sintering process and a forging process, and relates to simple processes, easy industrial production and control, reduced pollution, reduced cost, improved quality, and remarkably improved production efficiency. 1. A method for preparing an ultra-long-tube type fine-grain molybdenum tube target , wherein the method uses molybdenum powder with the purity being greater than 3N to prepare a target tube with a uniform wall thickness; the length is 1700-2700 mm; the diameter is greater than 150 mm; and the wall thickness is 15-40 mm , comprising:(1) taking molybdenum powder having a granularity of 2.8-3.8 mm, feeding the molybdenum powder into a film prepared in advance, molding by static pressing under 160-200 Mpa, placing in a medium frequency furnace, sintering for 55-65 h under hydrogen protection at 1900-2000° C., sintering to form a tube blank, keeping the temperature, and reserving for use;(2) taking the sintered tube blank from the medium frequency furnace, placing into a mold prepared in advance, controlling the temperature of the tube blank to be 1350° C., forging the mold of a tube target, controlling the deformation amount of the tube blank to be less than 50% during the forging, and forging to form a tube target with the ...

Tools with a thermo-mechanically modified working region and methods of forming such tools

Tools with a thermo-mechanically modified working region and methods of forming such tools. The tool includes a working region containing steel altered by a thermo-mechanical process to contain modified carbide and/or alloy bands. In use, a surface of the working region contacts a workpiece when the tool is used to perform a metal-forming operation.

Powder Metal Forging and Method and Apparatus of Manufacture

A method of forming a powder metal forging, including the steps of: forming a preform including a sintered powder metal composition; inserting the preform in a die set having a bottom die and a top die, the die set defining a forge form therewithin, the die set being in a closed position wherein the top die is contacting the bottom die; and compressing the preform in the forge form using an upper punch and a lower punch, the compressing step resulting in a formed part. The closed die set minimizes or eliminates flash in the formed part, particularly in the contoured surfaces, which allows the forging to be through hardened by direct quenching after the forging operation, without the need to remove hardened flash from these surfaces.

METHOD FOR MANUFACTURING MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL, METHOD FOR MANUFACTURING MAGNESIUM-BASED THERMOELECTRIC CONVERSION ELEMENT, MAGNESIUM-BASED THERMOELECTRIC CONVERSION MATERIAL, MAGNESIUM-BASED THERMOELECTRIC CONVERSION ELEMENT, AND THERMOELECTRIC CONVERSION DEVICE

A method for manufacturing a magnesium-based thermoelectric conversion material of the present invention includes a raw material-forming step of forming a raw material for sintering by adding silicon oxide in an amount within a range equal to or greater than 0.5 mol % and equal to or smaller than 13.0 mol % to a magnesium-based compound, and a sintering step of heating the raw material for sintering at a temperature within a range equal to or higher than 750° C. and equal to or lower than 950° C. while applying pressure equal to or higher than 10 MPa to the raw material for sintering so as to form a sintered substance.

Composite powder metal variable boundary gear and method

A forged composite gear and a method of making a forged composite powder metal gear. The forged composite gear includes a plurality of teeth extending from a core, a first section having a first powder metal material, a second section having a second powder metal material and a variable boundary profile. The variable boundary profile is formed between the first section and the second section, whereby said variable boundary profile exhibits greater tooth wear resistance on the teeth and greater impact resistance in the core.

Iron-based alloy powder for powder metallurgy, and sinter-forged member

An iron-based alloy powder for powder metallurgy contains 2.0 mass% to 5.0 mass% of Cu, the balance being Fe and incidental impurities. From 1/10 to 8/10 of the Cu is diffusion bonded in powder-form to the surfaces of iron powder that serves as a raw material for the iron-based alloy powder, and the remainder of the Cu is contained in this iron powder as a pre-alloy. The iron-based alloy powder has superior compressibility to conventional Cu pre-alloyed iron-based alloy powders and enables production of a high strength sinter-forged member even when sintered at a lower temperature than conventional iron-based alloy powders containing mixed Cu powder.

Apparatus and method of rotary forging with induction heating

An apparatus and method for rotary forging a workpiece is disclosed which includes a manipulator for grasping and advancing the workpiece axially along a predetermined path of travel through a rotary forge mounted adjacent the manipulator. The rotary forge includes cooperating pairs of forging dies which work and reshape the workpiece. At least one induction heating coil located in-line with the path of travel of the workpiece through the forge is mounted adjacent the forge for selectively heating the workpiece as it is advanced into the rotary forge.

Corrosion resistant article and methods of making

An article and method of forming the article are disclosed. The article has a surface comprising a duplex nanostructured ferritic alloy. The surface includes a plurality of nanofeatures that include complex oxides of yttrium and titanium disposed in an iron-bearing alloy matrix. The iron-bearing alloy matrix includes both a ferrite phase and an austenite phase. Further, a concentration of a chi phase or a sigma phase in the duplex nanostructured ferritic alloy at the surface is less than about 5 volume percent. The method generally includes the steps of milling, thermo-mechanically consolidating, annealing, and then cooling at a rate that hinders the formation of chi and sigma phases in the duplex nanostructured ferritic alloy at the surface.

Light weight high stiffness metal composite

Metal matrix composites are disclosed that have a low coefficient of thermal expansion and low density. The composite includes a matrix formed from a low CTE metal alloy in which micron-scale ceramic particles are homogeneously dispersed therein. Methods for producing such composites are also disclosed. The composites also have improved yield strength and specific modulus.

METHOD OF MAKING A METAL MATRIX COMPOSITE MATERIAL

Described herein is a method for making a metal matrix composite material comprising: (a) forming a metal box comprising a bottom forming plate having a length and a width, a first pair of side forming plates having a length and a height, and a second pair of side forming plates having a width and a height; (b) mixing a metal powder and a ceramic powder to prepare a mixed powder; (c) filling the metal box with the mixed powder; (d) compacting the mixed powder in the metal box to provide the metal box comprising a compacted powder preform; (e) disposing a top forming plate onto the metal box in solid abutment against the metal box comprising the compacted powder preform and sealing around its edges to produce a pre-rolling assembly; and (f) performing hot working on the pre-rolling assembly to obtain the metal matrix composite material with a metal cladding. 1. A method for making a metal matrix composite material comprising:(a) forming a metal box comprising a bottom forming plate having a length and a width, a first pair of side forming plates having a length and a height, and a second pair of side forming plates having a width and a height;(b) mixing a metal powder and a ceramic powder to prepare a mixed powder;(c) filling the metal box with the mixed powder;(d) compacting the mixed powder in the metal box to provide the metal box comprising a compacted powder preform;(e) disposing a top forming plate onto the metal box in solid abutment against the metal box comprising the compacted powder preform and sealing around its edges to produce a pre-rolling assembly: and(f) performing hot working on the pre-rolling assembly to obtain the metal matrix composite material with a metal cladding.2. The method of claim 1 , wherein the compacted powder preform has a density ratio of at least 0.65.3. The method of claim 1 , wherein the compacting step is preformed using at least one of: solid compaction claim 1 , cold isostatic press claim 1 , and cold uniaxial press.4. The ...

Molybdenum material

本发明的课题在于提供一种钼材料，其具有如下所述的工业性优势：该钼材料能够在低于以往的温度下引起二次再结晶，并且能够使得二次再结晶后的组织由晶界少的巨大的晶粒构成且耐蠕变特性优异。本发明的钼材料沿着板厚方向距表面相当于总厚度的5分之1的深度的区域中，至少一部分具有如下所述的部分：进行X射线衍射测定的情况下，该部分存在有晶体衍射面(110)和(220)各自的峰强度小于(211)的峰强度的区域。

A kind of fabricated in situ ZrN enhancings Cu-base composites and its preparation method and application

本发明提供了一种原位合成ZrN增强铜基复合材料的制备方法，首先将锆粉在氮气气氛下进行球磨，得到ZrN前驱体；然后将ZrN前驱体和纯铜粉进行湿法球磨，得到混合物；将得到的混合物依次进行干燥、冷压成型、烧结和煅压处理，得到原位合成ZrN增强铜基复合材料。本发明还提供了上述制备方法得到的原位合成ZrN增强铜基复合材料。本发明还提供了由上述制备方法制备得到的原位合成ZrN增强铜基复合材料作为点焊电极材料的应用。本发明提供的方法有效提高了ZrN增强铜基复合材料的硬度和耐磨性能。实施例的结果表明，本发明所述方法制备得到的ZrN铜基复合材料的硬度均高于180HV，电极寿命可达2650点。

Continuous extrusion process for a metal-containing bulk material and metal-powder extrusion installation

Continuous extrusion process for a metal-containing bulk material (13) for producing an extruded body, comprising the following steps: introducing the metal-containing bulk material (13) into a press channel (8) of a metal-powder extrusion installation (1), which is bounded by a rotating extrusion wheel (2) and pressing tool components, which comprise a running-in region having sealing plates (5, 6, 7) and comprise a deflecting region with a counter plate (11) and a feeding plate (10), feeding in the metal-containing bulk material (13) via a peripheral groove (3) of the rotating extrusion wheel (2) to the counter plate (11) and deflecting the compacted metal-containing bulk material (13) in the deflecting region through the feed plate (10), which has an opening, to a die (12), wherein at least one of the sealing plates (5, 6, 7) arranged in the running-in region is cooled by means of a cooling device. The invention also relates to a metal-powder extrusion installation that is suitable for carrying out the extrusion process according to the invention.

A kind of method that powder hotforging prepares single-phase Fe 6.5%Si silicon steel

一种粉末热锻制备单相Fe‑6.5％Si硅钢的方法，本发明采用还原Fe粉和微细Si粉为原料，形成Fe‑Si混合粉，通过粘接剂和分散剂将Si粉粘附到还原铁粉表面或填充铁粉的孔隙中，再模压成方形坯，加热到1020～1090℃实现Fe相奥氏体化，多次热锻后终锻温度为920～990℃，密度达6.78～7.10g/cm 3 。将粉末热锻坯在1080～1180℃温度范围进行真空或还原气氛保护烧结，通过多次冷轧、低温烧结，最后在1280～1350℃高温扩散烧结，实现均质合金化，获得含4.5～6.7％Si的0.1～0.5mm厚，密度≥7.34g/cm 3 的高硅钢带材。

Preparation method of CNTs-ZA27 zinc-aluminum-based composite bar with high C content

一种高C含量CNTs‑ZA27锌铝基复合棒材的制备方法，它涉及一种ZA27复合棒材的制备方法。本发明的目的是要解决现有方法制备的碳纳米管增强锌铝基复合材料中碳纳米管分散不均匀，结构损伤导致碳纳米管增强锌铝基复合材料的强度和韧性提升不明显，变形性差的问题。方法：一、混料；二、低温高速球磨；三、低速球磨；四、温压成形；五、粉末锻造，得到直径为20mm～60mm的高C含量CNTs‑ZA27锌铝基复合棒材。本发明制备的高C含量CNTs‑ZA27锌铝基复合棒材的组织致密，耐磨性和耐蚀性较常规ZA27有极大提升。本发明可获得一种高C含量CNTs‑ZA27锌铝基复合棒材。

Pressing, twisting and forging forming method for high-purity and high-density powder metallurgy product

本发明提供了一种高纯高致密粉末冶金制品的压扭锻成型方法，包括：利用压扭锻模具进行操作；压扭锻模具包括上模部和下模部，上模部和下模部依靠导柱导套定位，上模部包括旋转惯性体，压扭锻模具的辅助机构包括驱动上模部上下运动的压力机和驱动旋转惯性体旋转的驱动机构；包括以下步骤：首先对预压后的粉末坯料进行加热烧结，开启旋转惯性体的驱动机构使旋转惯性体高速旋转运动，将加热后坯料置于物料成型区后切断旋转驱动机构并迅速启动压力机使上模部靠近下模部运动，旋转惯性体仅依靠高速惯性旋转而对生坯施以扭转和锻压加载；旋转惯性体运动停止后加工完成。该方法能够获取少无杂质、高致密度、微观组织优良的圆饼或碗锥类制品。

Preparation method of TiB whisker reinforced titanium-based composite material

本发明涉及一种TiB晶须增强钛基复合材料的制备方法，属于金属基复合材料制备技术领域。所述方法如下：将TiB 2 粉和钛合金粉球磨混合，得到混合均匀的浆料，去除所述浆料中的球磨介质，干燥，得到混合粉体；利用放电等离子烧结系统对所述混合粉体进行烧结，得到烧结坯体；再利用放电等离子烧结系统对所述烧结坯体进行原位压力锻造，得到一种TiB晶须增强钛基复合材料。所述方法制得的TiB晶须增强钛基复合材料的钛基体的相组织由α相和β相组成，且α相和β相均为纳米级，提高了所述TiB晶须增强钛基复合材料的拉伸性能。

Method for directly forging and forming thick plate blank by TiAl alloy powder at high temperature

一种用于TiAl合金粉末高温直接锻造成形厚板坯料的方法，属于TiAl合金热加工技术领域；首先将合金粉末填充在按要加工的包套内，依次进行抽真空‑加热保温‑抽真空的处理得到粉末锭坯，将除气口封焊；然后将粉末锭坯放在高温炉中加热到1400～1440℃后保温；再采用锻造机沿粉末锭坯的径向进行锻造，锻造后保压20～30s，粉末锭坯在锻造机上模、下模和包套束缚的作用下，其内合金粉末开始相互碰撞并发生塑性变形后成形；最后，将锻造保压后的粉末锭坯放置在空气中，自然冷却至室温、去除包套。相比于热等静压技术，由于加热时间比较短，析出的PPB颗粒较少，又塑性变形量较大，原有的PPB网络破坏彻底，可以减弱PPB对材料力学性能的不利影响。

It is a kind of for dispersion strengthening type material of platinum rhodium base vessel and its preparation method and application

本发明提供一种用于铂铑基器皿的弥散强化型材料，包括基材，以及弥散分布在基材中的强化相，所述基材为铂铑合金，所述强化相元素为锆、钪、铈中的任意一种或几种，各组分中铑的含量为＞0～≤20wt%；锆含量为＞0～≤0.4wt%；钪含量为0～0.4wt%；铈含量为0～0.4wt%；铂为余量；锆+钪+铈＜0.6wt%，所述强化相元素以其氧化物的形式弥散分布在基材中，构成弥散强化型材料。本发明提供的用于铂铑基器皿的弥散强化型材料具有良好的抗冲刷、抗腐蚀和高温抗蠕变性能，采用这种材料制备的器皿使用寿命长，能有效降低如光学玻璃及玻璃纤维等工业领域的生产成本。

Rapid densifying method for powder high-temperature alloy component

本技术属于粉末高温合金构件的直接锻造成形技术领域，涉及粉末高温合金构件制备工艺的改进。实现步骤如下：合适的粉末锭坯制作；合理的粉末直接锻造成型模具设计及锻造工艺参数选择。本技术将粉末装入包套内直接锻造成型，能够得到组织致密，晶粒均匀、细小的粉末高温合金锻坯，简化了工艺流程，缩短了研制周期，降低构件制造成本。

Lead-free high-sulphur easy-cutting alloy containing manganese and copper and preparation method therefor

Disclosed are a lead-free, high-sulphur and easy-cutting copper-manganese alloy and preparation method thereof. The alloy comprises the following components in percentage by weight: 52.0-95.0 wt.% of copper, 0.01-0.20 wt.% of phosphorus, 0.01-20 wt.% of tin, 0.55-7.0 wt.% of manganese, 0.191-1.0 wt.% of sulphur, one or more metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur, with the sum of the contents thereof no more than 2.0 wt.%, and the balance being zinc and inevitable impurities, wherein the metals other than zinc that have an affinity to sulphur less than the affinity of manganese to sulphur are nickel, iron, tungsten, cobalt, molybdenum, antimony, bismuth and niobium. The copper alloy is manufactured by a powder metallurgy method, in which after uniformly mixing the alloy powder, sulphide powder and nickel powder, pressing and shaping, sintering, re-pressing, and re-sintering are carried out to obtain the copper alloy, and the resulting copper alloy is thermally treated.

Temperature control system for additive manufacturing and method for same

The present invention relates to a temperature control system for additive manufacturing and method for same The temperature control system comprises: a cladding device configured to fuse a material and form a cladding layer, the cladding device comprising a first energy source configured to direct an energy beam toward the material for fusing at least a portion of the material to form the cladding layer; a micro-forging device coupled to the cladding device for forging the cladding layer; a detecting device configured to detect a first internal effect parameter of the cladding layer at a forging position where it is forged by the micro-forging device; a control module configured to receive the first internal effect parameter detected by the detecting device, and calculate a first calculated temperature at the forging position based on the first internal effect parameter; and an adjusting module coupled to at least one of the first energy source and the micro-forging device and configured to receive the first calculated temperature and to adjust at least one of the first energy source and the micro-forging device to make the first calculated temperature at the forging position fall within a desired temperature range if the first calculated temperature does not fall within the desired temperature range.

Preparation method of large-size molybdenum target material

本发明属于先进金属材料制备研究领域，涉及一种大尺寸钼靶材的制备方法。该方法以以钼酸铵为原料，先进行氨溶和阳离子交换处理，之后蒸发结晶后氢气还原得到高纯钼粉；将得到高纯钼粉进行冷等静压和氢气烧结制备得到高纯钼板坯；将得到的高纯钼板坯采用一火一道次加工方式进行预锻造开坯，得到预锻坯料，再采用一火两道次加工方式进行多道次交叉轧制，得到轧制板坯；对得到的轧制板坯进行表面化学腐蚀，再对腐蚀后的板坯进行均匀化退火处理，最终获得大尺寸钼靶材。采用本发明制备方法所达到的目标效果是有针对性提纯，高纯靶材成品的晶粒细小，沿靶材厚度方向的晶粒均匀性良好且晶粒取向分布均匀。

A kind of method that High temperature diffusion sintering prepares high silicon steel band with powder hotforging

一种高温扩散烧结与粉末热锻制备高硅钢带材的方法，本发明选取还原Fe粉与水雾化Fe粉，按照4:6～6:4的比例混合，再添加Si粉，形成Fe‑Si混合粉。模压成方形坯，再加热到960～1030℃实现Fe相奥氏体化，经多次锻造后终锻温度为860～930℃，然后将粉末热锻坯在1080～1180℃真空或还原气氛保护烧结，使Fe粉颗粒冶金结合，而Si与Fe实现部分合金化，通过多次冷轧、低温烧结，最后在1280～1350℃高温扩散烧结，实现均质合金化，获得含4.5～6.7％Si的0.1～0.5mm厚，密度≥7.38g/cm 3 的高硅钢带材。

Iron-base alloy powder for powder metallurgy and sintered forged parts

Ｃｕを２．０〜５．０質量％含有し、残部がＦｅおよび不可避的不純物からなり、該Ｃｕ量の１／１０〜８／１０は粉末の形で鉄基合金粉末の原料となる鉄粉の表面に拡散付着し、残りのＣｕは予合金として上記鉄粉に含むことによって、従来のＣｕ予合金化鉄基合金粉末よりも圧縮性に優れると同時に、従来のＣｕ粉末を混合した系の鉄基合金粉末よりも低温で焼結したとしても、高強度の焼結鍛造部材を製造することが可能な粉末冶金用鉄基合金粉末を得る。 Iron powder containing 2.0 to 5.0% by mass of Cu, the balance being Fe and inevitable impurities, 1/10 to 8/10 of the amount of Cu being a raw material for iron-based alloy powder in the form of powder The remaining Cu is included in the iron powder as a pre-alloy in the above-mentioned iron powder, so that the compressibility is superior to that of the conventional Cu pre-alloyed iron-based alloy powder, and at the same time the conventional Cu powder is mixed. Even when sintered at a lower temperature than the iron-based alloy powder, an iron-based alloy powder for powder metallurgy capable of producing a high-strength sintered forged member is obtained.

Continuous extrusion process for a metal-containing bulk material and metal-powder extrusion installation

Continuous extrusion process for a metal-containing bulk material (13) for producing an extruded body, comprising the following steps: introducing the metal-containing bulk material (13) into a press channel (8) of a metal-powder extrusion installation (1), which is bounded by a rotating extrusion wheel (2) and pressing tool components, which comprise a running-in region having sealing plates (5, 6, 7) and comprise a deflecting region with a counter plate (11) and a feeding plate (10), feeding in the metal-containing bulk material (13) via a peripheral groove (3) of the rotating extrusion wheel (2) to the counter plate (11) and deflecting the compacted metal-containing bulk material (13) in the deflecting region through the feed plate (10), which has an opening, to a die (12), wherein at least one of the sealing plates (5, 6, 7) arranged in the running-in region is cooled by means of a cooling device. The invention also relates to a metal-powder extrusion installation that is suitable for carrying out the extrusion process according to the invention.

Molybdenum-containing iron-based powder forging material cam and preparation process thereof

本发明公开了一种含钼铁基粉末冶金材料凸轮及其制备工艺。该铁基粉末冶金材料凸轮由0.8%‑1.2%鳞片石墨、1.8%‑2.2%电解铜、2.1%‑2.4%微碳铬铁粉、1.2%‑1.6%钼铁粉、0.75%硬脂酸锌以及余量的雾化铁粉组成。所述凸轮通过粉末锻造工艺制得，粉末经配粉、压形、烧结后置于1050℃中保温25min，再经锻造，置于碳粉中冷却至室温。通过钼的加入细化组织，抑制珠光体转变，提高材料的淬透性，增加组织中马氏体与贝氏体的含量，提高材料的强度、硬度、耐磨性能。该粉末锻造工艺使凸轮材料接近于全致密化，能够改善凸轮强度不足等缺点。

Preparation method of particle dispersion strengthened tungsten block material

本发明属于金属材料技术领域，特别涉及一种颗粒弥散强化钨块体材料制备方法。通过高温烧结方法制备颗粒弥散强化钨生坯；将生坯放入氢气炉中预热，加热温度1500‑1600℃，时间1‑2h；然后将预热的颗粒弥散强化钨生坯放入高速锻锤上进行大变形量的高能率成形加工，锻打压力为30‑40MPa；锻打完成后，为了消除残余应力，将钨块放入退火炉中，退火温度为1000℃。本发明能有效的控制组织织构，使得材料塑性和加工性能显著提高，且锻造过程中锭坯不易开裂，达到良好开坯效果。本发明能制备得到完全致密的钨块体材料，并且材料具有良好的力学性能，在温度低于100℃具有塑性，高温下也具有较高的高温强度和塑性；同时该方法制备的材料成本低，适宜大规模制造。

Metal powder forging, manufacturing apparatus and manufacturing method thereof

本発明は、（Ａ）焼結金属粉末組成物を含むプリフォームを形成するステップと、（Ｂ）上部型及び下部型を有する一組の型に前記プリフォームを挿入するステップと、（Ｃ）上部パンチ及び下部パンチを用いて、前記プリフォームを鍛造物の形状に圧縮し、それにより、成形部品を得るステップと、を含む金属粉末鍛造物を製造する方法を提供する。ここで、ステップ（Ｃ）では、前記一組の型の内部によって、前記鍛造物の形状が定められ、そして、前記一組の型が、前記上部型が下部型に接触している閉じられた位置にある。

Method and apparatus for 3d printing by selective sintering

Manufacturing method of magnesium-based thermoelectric conversion material, manufacturing method of magnesium-based thermoelectric conversion element, magnesium-based thermoelectric conversion material, magnesium-based thermoelectric conversion element, thermoelectric conversion device

Preparation method of FeCrAl-based ODS alloy for nuclear reactor cladding

本发明公开了一种核反应堆包壳用FeCrAl基ODS合金的制备方法，包括以下步骤：按照FeCrAl基ODS合金成分配方将Fe、Cr、W、Al、Nb、Ti、Sc、V元素进行熔炼获得合金，将熔炼后的合金采用雾化制粉技术获得目数小于200目的合金粉末；将合金粉末与Y 2 O 3 粉末进行机械合金化球磨处理；球磨后的粉末封入钢制包套中通过热等静压进行烧结致密化；热等静压后获得合金坯，将合金坯进行锻造处理；锻造后的样品经热轧处理获得FeCrAl基ODS合金。本发明通过优化组分及控制工艺获得的FeCrAl集ODS合金具有良好的高温力学性能、以及优异的高温抗氧化和耐腐蚀性能。

Ultrasonic impact forging device

本发明提供的似乎一种超声冲击锻造装置。包括超声振动体和锻造体，锻造体包含上部接口段、中部冷却段、侧面压力控制段、底部脉冲锻造机构，第一侧面压力控制段与负极端电极导体相连接，第一侧面压力控制段包括压力控制箱、谐振片以及减震片，压力控制箱内含配重机构，配重机构下端同负极端电极导体连接；第二侧面压力控制段与正极端电极导体相连接，第二侧面压力控制段也包括压力控制箱、减震片，压力控制箱的配重机构下端同正极端电极导体连接，负极端电极导体、正极端电极导体、锻造头和温度传感器构成所述底部脉冲锻造机构。本发明作为增材制造的辅助设备，在合金低强度状态下完成增材组织锻造，实现增材组织性能优化及内应力调控。

Method & computer program product

Method for treating at least one part of a metal component (10, 12, 14, 16) that is at least partly produced by additive manufacturing. The method comprises the steps of heating the at least one part of the metal component (10, 12, 14, 16) to form at least one softened region (18), and applying a mechanical load (22) to the at least one softened region (18) to plastically deform the metal in the at least one softened region (18).

Short-flow low-cost TC4 titanium alloy pipe preparation process

本发明公开了一种新型TC4钛合金管材制备工艺，具有以下步骤：步骤a、粉末冶金制管坯；步骤b、径向锻造。在所述步骤a中，以钛粉为原料，并附以混料，通过粉末冶金烧结方法制得TC4钛合金管坯。本发明通过粉末冶金制管坯、及径向锻造制得TC4钛合金管材，在保证管材性能的前提下，去除了原常规制备工艺的熔炼、棒材锻造生产流程，克服了传统的管材热轧轧制道次多，成品管材的加工周期长，加工成本高的缺点，可快捷高效的进行大规格管材的生产，缩短生产周期，降低成本，并且同时也减少熔炼和棒材锻造工序带来的不可避免的环境污染成本。

ODS ferrite stainless steel fuel cladding tube and preparation method thereof

本发明公开了一种ODS铁素体不锈钢燃料包壳管及其制备方法，由ODS钢制成，ODS钢以重量百分比计包括如下成分：Cr：11.0～14.0％、(W+Mo)：1.0～3.0％、Y 2 O 3 ：0.1～0.5％、Ti：0.1～0.5％、Mn：0～1.0％、V：0‑0.5％、C：<0.02％，余量为Fe和杂质；杂质中对中子吸收截面较大的核素的含量符合核能燃料包壳材料的标准。合理设计ODS钢的合金成分，并控制包壳管的加工工艺，获得ODS钢管材表面质量好、精度及直线度高；纳米氧化物在基体弥散分布，平均尺寸约<10nm、数密度在10 22‑24 个/m 3 ；管材高温拉伸性能优异，800℃拉伸屈服强度>200MPa；抗高温氧化性能优异。

Tool with improved machining area by thermal processing and method for forming such tool

Method for improving strength of copper-tungsten and copper bonding surface

本发明公开了一种提高铜钨与铜结合面强度的方法，涉及由金属粉末制造制品技术领域，包括S1、装粉：先将钨粉和铜粉按照钨粉质量百分比5%‑95%配制成铜钨复合粉，再将配置好的复合粉放入制备铜钨合金的石墨坩埚中；S2、压实：采用不锈钢压板，对放入在石墨坩埚中的铜钨复合粉进行压实，S3、铺粉：铜粉铺在铜钨复合粉坯上方，然后对铜粉进行压实；S4、烧结：将放有铺铜粉坯的石墨坩埚放入放电等离子烧结炉中，对炉内抽真空的同时对铺铜粉坯施加机械压力，随炉冷却得到带有覆铜层的铜钨合金；本发明的方法能够在保证钨铜触头的导电性的同时提高结合面的抗拉强度。

Lead-free high-sulphur easy-cutting alloy containing manganese and copper and preparation method therefor

Method for producing ultra-thick tungsten plate by upsetting tungsten rod

本发明公开了一种钨棒墩粗生产超厚钨板的方法，包括以下步骤：步骤1)选择费氏粒度为3.0～3.5μm的钨粉，采用冷等静压法将钨粉压制成钨棒；步骤2)在氢气气氛下的烧结设备中，对钨棒进行加热烧结，自然冷却后得到钨棒坯，所述加热烧结的最高温度为2300℃～2350℃，保温时间为6～12h；步骤3)在氢气气氛下的氢气钼丝炉中，对钨棒坯进行加热，其中加热温度为1550℃～1580℃，加热时间为1.5h～2.5h；步骤4)对钨棒坯在750kg空气锤上进行墩粗锻造得到厚钨板；步骤5)对锻造后的厚钨板在氢气钼丝炉中进行消应力退火；步骤6)对厚钨板经线切割切削外形，经平面磨床磨削后得到超厚磨光钨板。

Preparation method of large-size molybdenum target

本发明属于先进金属材料制备研究领域，涉及一种大尺寸钼靶材的制备方法。该方法以以钼酸铵为原料，先进行氨溶和阳离子交换处理，之后蒸发结晶后氢气还原得到高纯钼粉；将得到高纯钼粉进行冷等静压和氢气烧结制备得到高纯钼板坯；将得到的高纯钼板坯采用一火一道次加工方式进行预锻造开坯，得到预锻坯料，再采用一火两道次加工方式进行多道次交叉轧制，得到轧制板坯；对得到的轧制板坯进行表面化学腐蚀，再对腐蚀后的板坯进行均匀化退火处理，最终获得大尺寸钼靶材。采用本发明制备方法所达到的目标效果是有针对性提纯，高纯靶材成品的晶粒细小，沿靶材厚度方向的晶粒均匀性良好且晶粒取向分布均匀。

High-temperature deformation resistant high-strength platinum group metal material and preparation method thereof

本发明涉及一种抗高温变形的高强度铂族金属材料和制备方法，该材料由铂族金属和强化相组成，该强化相为弥散分布在铂族金属中氧化锆、氧化钇、碳化钛颗粒中的任一种和几种，所述材料各组分重量百分含量为强化相>0～≤0.4wt%，铂族金属为余量。该材料在高温下尤其是1400℃及以上的高温条件下特定环境下具有高强度及优异的抵抗变形、耐电烧蚀、抗冲刷、抗腐蚀和高温抗蠕变性能，采用这种材料制备的组件抵抗高温变形性能好，使用寿命长，能有效降低应用领域生产成本。

Preparation method of FeCrAl-based ODS alloy material for advanced nuclear fuel element cladding

本发明公开了一种先进核燃料元件包壳用FeCrAl基ODS合金材料的制备方法，包括以下步骤：按照FeCrAl基ODS合金成分配方将Fe、Cr、W、Al、Nb、Ti、V元素进行熔炼获得合金，将熔炼后的合金采用雾化制粉技术获得目数小于200目的合金粉末；将合金粉末与Si和Y 2 O 3 粉末进行机械合金化球磨处理；球磨后的粉末封入钢制包套中通过热等静压进行烧结致密化；热等静压后获得合金坯，将合金坯进行锻造处理；锻造后的样品经热轧处理获得FeCrAl基ODS合金。本发明通过优化组分及控制工艺获得的FeCrAl集ODS合金具有良好的高温力学性能、以及优异的高温抗氧化和耐腐蚀性能。

一种粉末高温合金圆柱直齿轮构件的制备方法

本发明是一种粉末高温合金圆柱直齿轮构件的制备方法，该制备方法利用了粉末材料良好的流动性，将粉末装到包套中预制成锭坯，然后将粉末材料加热到再结晶温度以上，在锻造模具内，利用较快的变形速度和较高应力状态力下，使粉末颗粒产生剧烈塑性变形，相比于热等静压一般为10％的变形量，同时，采用原位二次成形的方法，预锻和终锻不需要对锻件二次加热以及二次出模，提高了锻件尺寸精度。

一种新能源领域用电接触贵金属材料的制备方法

本申请涉及一种新能源领域用电接触贵金属材料及其制备方法。新能源领域用电接触贵金属材料，由按重量百分比计：2%～20%的BTO复合粉体和80%～98%的AgRE粉体制得；其中BTO复合粉体为铋掺杂银氧化锡粉体，由如下质量百分比的组分组成：65%～95% Sn、5%～35% Bi、0%～5%复合元素A；所述复合元素A为Sb、Te、In、Zn中的一种或多种；其中AgRE粉体为银稀土合金粉体，由如下质量百分比的组分组成：5%～100% Ag、0%～5% RE、0‑1%复合元素B；所述复合元素B为Cu、Ni、Li中的一种或多种。本申请通过BTO粉体和AgRE粉体的复合及特定工艺，可以制备出具有高致密性、良好导电性和耐电弧性能的电接触贵金属复合材料。

一种钨镧合金丝的制备方法

本发明公开了钨合金领域的一种钨镧合金丝制备方法，具体包括以下步骤：S1、制备钨镧合金前体粉末；S2、排列钨纤维，得到钨纤维片层；S3、将钨镧合金前体粉末与钨纤维片层依次层叠置于模具中；S4、预烧结热处理，研磨粉碎，过200目筛后得到钨镧合金粉末；S5、闪烧处理；S6、轧制、退火、旋锻，得到钨镧合金丝。本发明通过掺杂镧元素和钨纤维对钨合金进行增强，通过闪烧处理提高钨镧合金的相对密度；在塑性变形时，通过弥散的第二相超细微粒阻碍位错的运动，提高位错密度，同时，弥散颗粒的加入能够细化晶粒，提高晶界总数，降低晶界上的平均杂质元素的含量，从而提高了钨合金的韧性。

一种能够提高医用钴基合金抗菌功能的制备方法

本发明公开了一种能够提高医用钴基合金抗菌功能的制备方法，本发明具体涉及医用材料技术领域，采用CoCrWNi合金粉为原材料，并添加铜粉，经过处理后的金属块具有抗菌性能，SLM‑CoCrWNi金属块对金黄色葡萄球菌的生长有明显的抑制作用，对金黄色葡萄球菌的抗菌率可达到98％以上，同时可以抑制细菌粘附，从而大大减少生物膜的形成，且SLM‑CoCrWNi金属块溶血率远低于5％，可作为医学使用，采用SLM技术进行金属的成型，可将钴基合金的成型方式进行优化，更好的形成金属形态，金属块进行后1200℃、1h的固溶处理后，材料的塑形、韧性和机械加工性能提高，可以更好的用于医学设备加工。

Werkzeuge mit thermomechanisch verändertem arbeitsbereich und verfahren zur formung solcher werkzeuge

一种基于氢化钛原料快速制备高性能粉末钛合金的方法

本发明涉及一种基于氢化钛原料快速制备高性能粉末钛合金的方法，属于粉末钛合金制备技术领域。利用低成本的氢化钛粉末原料，采用保护气氛微波烧结制备钛合金粉末烧结坯，再通过感应加热与快速模锻成形，最终完成粉末钛合金构件的制备。本发明所述方法工艺简单，可以实现高性能粉末钛合金的快速制备。利用微波烧结、感应加热升温速率高的特点，使氢化钛原料中的氢元素在加热过程中得以保留，提高钛合金元素扩散能力，从而提高烧结活性，促进成形过程中的致密化，所制备的粉末钛合金致密度高、晶粒细小、综合力学性能优异。

一种新能源领域用电接触贵金属材料的制备方法

本申请涉及一种新能源领域用电接触贵金属材料及其制备方法。新能源领域用电接触贵金属材料，由按重量百分比计：2%～20%的BTO复合粉体和80%～98%的AgRE粉体制得；其中BTO复合粉体为铋掺杂银氧化锡粉体，由如下质量百分比的组分组成：65%～95%Sn、5%～35%Bi、0%～5%复合元素A；所述复合元素A为Sb、Te、In、Zn中的一种或多种；其中AgRE粉体为银稀土合金粉体，由如下质量百分比的组分组成：5%～100%Ag、0%～5%RE、0‑1%复合元素B；所述复合元素B为Cu、Ni、Li中的一种或多种。本申请通过BTO粉体和AgRE粉体的复合及特定工艺，可以制备出具有高致密性、良好导电性和耐电弧性能的电接触贵金属复合材料。

Method for manufacturing multiphase magnet and multiphase magnet manufactured thereby

The present disclosure provides a method for manufacturing a multi-main-phase structure magnet having excellent coercive force and a multi-main-phase structure magnet manufactured therefrom.

一种钨镧合金丝的制备方法

本发明公开了钨合金领域的一种钨镧合金丝制备方法，具体包括以下步骤：S1、制备钨镧合金前体粉末；S2、排列钨纤维，得到钨纤维片层；S3、将钨镧合金前体粉末与钨纤维片层依次层叠置于模具中；S4、预烧结热处理，研磨粉碎，过200目筛后得到钨镧合金粉末；S5、闪烧处理；S6、轧制、退火、旋锻，得到钨镧合金丝。本发明通过掺杂镧元素和钨纤维对钨合金进行增强，通过闪烧处理提高钨镧合金的相对密度；在塑性变形时，通过弥散的第二相超细微粒阻碍位错的运动，提高位错密度，同时，弥散颗粒的加入能够细化晶粒，提高晶界总数，降低晶界上的平均杂质元素的含量，从而提高了钨合金的韧性。

方法和计算机程序产品

一种用于处理至少部分地通过增材制造生产的金属组成部件(10、12、14、16)的至少一部分的方法。所述方法包括以下步骤：加热所述金属组成部件(10、12、14、16)的所述至少一部分，以形成至少一个软化区域(18)；以及向所述至少一个软化区域(18)施加机械载荷(22)，以使所述至少一个软化区域(18)中的金属塑性变形。

一种结构/功能一体化核辐射防护用Fe基屏蔽合金及其制备方法

本发明公开了一种结构/功能一体化核辐射防护用Fe基屏蔽合金及其制备方法。本发明在Fe基(含W、B元素)屏蔽合金的基础上添加Cr、Ni元素，通过控制合金元素的配比，获得了以FeNi奥氏体为基体，FeW 2 B 2 为第二相的新型Fe基屏蔽合金，由于并未降低W(能有效屏蔽γ射线)、B(能有效屏蔽中子)元素的含量，保证了Fe基屏蔽合金具备优异的综合屏蔽性能，而形成的FeNi奥氏体基体具备优异的塑韧性(包括低温塑韧性)，第二相FeW 2 B 2 在FeNi奥氏体基体中弥散分布，起到弥散强化的效果，提高Fe基屏蔽合金的强度，获得了优异的综合力学性能，从而满足核辐射屏蔽合金的结构/功能一体化需求。

一种全致密多彩有色贵金属型材制成方法

本发明属于有色贵金属加工领域，具体涉及一种全致密幻彩有色贵金属型材制成方法。本发明所述的方法，使得金、银、铜等多色组合不会出现混色现象，解决了铜易于氧化基本问题，既保持了金、银、铜等贵金属原有色泽和基本理化特性，又赋予多彩独立不渗色艺术表现力。制成的成品材质具有良好延展性，便于碾压延展和锻打形变加工，焊接性能良好。在多彩金银有色贵金属首饰及工艺品领域具有广阔的应用前景，可用于多种工艺品的制作、珠宝镶嵌、首饰、手表、挂件、印章、币章、薄钞品、摆件、餐饮具。

一种粉末冶金钛锆合金的氧含量调控方法

本发明公开了一种粉末冶金钛锆合金的氧含量调控方法，属于粉末冶金技术领域。所述方法包括以下步骤：对Ti粉进行加热渗氧，得到渗氧Ti粉；对所述渗氧Ti粉进行高能球磨，得到渗氧细Ti粉；将所述渗氧细Ti粉与Zr粉混合，得到混合粉末；对所述混合粉末进行真空热压烧结，得到钛锆合金烧结坯；将所述钛锆合金烧结坯进行大变形加工，得到钛锆合金。本发明采用粉末冶金法，对原料Ti粉进行加热渗氧及破碎处理，能够实现钛锆合金中氧元素的均匀化及氧含量的精确控制，获得具有高强韧性的口腔种植体用钛锆合金材料。

一种铜银锆合金及其制备方法和应用

本发明公开了一种铜银锆合金及其制备方法和应用，包括下述的步骤：按铜银锆合金的成分构成进行配料，所述铜银锆合金由以下质量百分比的成分构成：银2.1~3.8%、锆0.3~1.1%、稀土铈0.1~0.3%，其余为铜；将配料后的合金原料进行真空熔炼并雾化，获得预合金粉末；通过热等静压对预合金粉末进行烧结以及致密化处理；将热等静压态合金进行锻造镦粗变形；将锻造变形合金进行热处理，得到所述铜银锆合金。本发明获得由热稳定性良好的亚微米尺寸第二相和超细晶协同强化的铜银锆合金，有效提升了合金的高温力学性能。

一种高承温、耐冲刷抗氧化钨基合金及其制备方法

本发明公开了一种高承温、耐冲刷抗氧化钨基合金及其制备方法，涉及高温抗氧化材料制备领域，具体包括钨基合金的制备、表面处理、过渡铼涂层制备和抗氧化铱复合涂层制备，钨基合金选用纯度>99.99％金属原料，添加氧化物或碳化物颗粒增强相，表面处理时先进行表面刻蚀再进行表面稳定化处理，过渡铼涂层选用熔盐电沉积或化学气相沉积方法制备，抗氧化铱复合涂层选用电沉积方法制备铱‑铪或铱‑钍复合涂层。本发明能够提高钨基合金的高温强度，并解决其不能在高温氧化氛围中使用的限制，拓展了其应用温度范围，所制备的涂层与基体结合力良好，能够应用于高承温、耐冲刷抗氧化等多种场景，进一步扩大了钨基合金的应用领域。

一种电磁轨道炮用Cu-Cr-Nb-RE材料导轨制造方法

本发明公开了一种电磁轨道炮用Cu‑Cr‑Nb‑RE材料导轨制造方法，包括以下步骤，S1、准备坯料，包括材料真空感应熔炼、真空电极气雾化制粉、热等静压；S2、锻造；S3、一次退火；S4、粗轧；S5、二次退火；S6、中轧；S7、机加工；本发明制造的Cu‑Cr‑Nb‑RE材料中的Cr和Nb形成大量Cr2Nb强化相，均匀弥散分布合金中，能细化并控制铜的晶粒度，且Cr2Nb相在超过1600℃时仍然稳定，避免材料在高温时出现的疲劳及热端部分的烧蚀等问题。本发明方法制造的Cu‑Cr‑Nb‑RE材料导轨不仅具有高强度、高导电性能，同时具有高的软化温度及耐高温烧蚀的综合性能，明显改善了目前导轨存在的系列问题。

一种高性能铝基复合材料锻件的制备方法

本发明提供了一种高性能铝基复合材料锻件的制备方法，包括：将铝粉和陶瓷粉进行高能球磨，得到混合粉末；将混合粉末进行等静压成型，得到预制坯；将预制坯预热后进行锻造烧结，得到高性能铝基复合材料锻件。本发明通过烧结锻造技术完成超细铝基复合材料粉末压力下的快速烧结及金属流体的变形、流动和充模过程，同步实现了粉末烧结和烧结体锻造变形，最终获得高致密、高力学性能、高温组织稳定的铝基复合材料锻件。

一种结构/功能一体化核辐射防护用Fe基屏蔽合金及其制备方法

本发明公开了一种结构/功能一体化核辐射防护用Fe基屏蔽合金及其制备方法。本发明在Fe基(含W、B元素)屏蔽合金的基础上添加Cr、Ni元素，通过控制合金元素的配比，获得了以FeNi奥氏体为基体，FeW 2 B 2 为第二相的新型Fe基屏蔽合金，由于并未降低W(能有效屏蔽γ射线)、B(能有效屏蔽中子)元素的含量，保证了Fe基屏蔽合金具备优异的综合屏蔽性能，而形成的FeNi奥氏体基体具备优异的塑韧性(包括低温塑韧性)，第二相FeW 2 B 2 在FeNi奥氏体基体中弥散分布，起到弥散强化的效果，提高Fe基屏蔽合金的强度，获得了优异的综合力学性能，从而满足核辐射屏蔽合金的结构/功能一体化需求。

一种Mo-V合金、制备方法及其应用

本发明公开了一种Mo‑V合金、制备方法及其应用，Mo‑V合金成份按添加质量计，包括0.04％～5％V，余量为Mo和不可避免的杂质；按制品中残留质量计，包括0.03％～0.04％V，余量为Mo和不可避免的杂质，所述不可避免的杂质的总和在合金中的质量含量不超过0.03％。制备方法包括合金原料粉末的制备、粉末冶金法制备合金坯过程，合金原料粉末的制备过程中，钒是以粒径不大于100nm的钒粉或纳米钒粉悬浊液的形式加入MoO 2 粉，氢气还原得到Mo‑V合金粉，或以粒径不大于100nm的钒粉的形式加入钼粉，混合得到Mo‑V合金粉。本发明的Mo‑V合金具有稳定的高塑性和优异的工艺适应性，制备过程成分适用范围很宽，易于控制。

一种铝基复合材料及其制备方法

本发明是关于一种铝基复合材料及其制备方法，涉及金属基复合材料制备技术领域。主要采用的技术方案为：一种铝基复合材料的制备方法，包括如下步骤：对微米级的原料粉末进行球磨，球磨成粒径为0.3‑5毫米的混合基元颗粒；其中，所述原料粉末包括基体粉末和陶瓷增强体粉末；将混合基元颗粒冷压加工成坯锭；将坯锭进行无压烧结处理，得到无压烧结处理后的铝基复合材料坯锭。本发明通过球磨制备出混合基元颗粒，以实现通过无压烧结的方法制备一种性能优异的铝基复合材料，改变了现有机械混粉‑热压烧结‑塑性加工的固有加工模式，提高加工效率的同时保证材料性能。

消除粉末高温合金盘件中密集单显信号的方法及盘件

本发明公开了一种消除粉末高温合金盘件中密集单显信号的方法及盘件，该方法包括以下步骤：制备高温合金粉末并进行筛分，获得目标粒度的高温合金粉末；对目标粒度的高温合金粉末进行检测，控制细小粉末的数量；对不同炉次筛分获得的目标粒度的高温合金粉末进行合批处理，以使粉末混合均匀；对合批后的高温合金粉末在真空状态下进行动态除气和装包套；装包套结束后，对装满高温合金粉末的包套进行后续处理，制得盘件；对盘件进行超声探伤检测，根据检测结果判断整个盘件上是否存在密集单显信号。该方法能够有效避免细小粉末的聚集，从而消除粉末高温合金盘件中因细小粉末聚集而产生的粗晶组织和密集单显信号，提高了粉末高温合金盘件的合格率。

一种内燃机等离子节油器阴阳极的制备方法

一种内燃机等离子节油器阴阳极的制备方法，包括将单组份难熔金属或者难熔金属与其它元素（包括其它难熔金属、普通金属元素）形成的多组元合金粉末或者钨基高比重合金粉末过筛处理的步骤、冷等静压步骤、烧结步骤、锻造加工步骤、退火处理步骤、机加工步骤，制得内燃机等离子节油器阴阳极。本发明采用自身耐温性较好的钨、钼、钽、铌等难熔金属及其合金，形成大功率长弧层流等离子体，含有大量氢、氧离子的等离子体进入内燃机后能够促使内燃机充分燃烧，提高燃油效率，并减少内燃机热损失，较未安装等离子节油器内燃机而言具有成本低、耗能少和安全、环保等诸多优势。

Verfahren und Computerprogrammprodukt

Verfahren zur Behandlung zumindest eines Teils einer Metallkomponente (10, 12, 14, 16), der zumindest teilweise durch additive Fertigung hergestellt ist. Das Verfahren umfasst die Schritte des Erwärmens des zumindest einen Teils der Metallkomponente (10, 12, 14, 16), um zumindest einen erweichten Bereich (18) zu bilden, und des Aufbringens einer mechanischen Belastung (22) auf den zumindest einen erweichten Bereich (18), um das Metall in dem zumindest einen erweichten Bereich (18) plastisch zu verformen.

一种全致密幻彩有色贵金属型材制成方法

本发明属于有色贵金属加工领域，具体涉及一种全致密幻彩有色贵金属型材制成方法。本发明所述的方法，使得金、银、铜等多色组合不会出现混色现象，解决了铜易于氧化基本问题，既保持了金、银、铜等贵金属原有色泽和基本理化特性，又赋予多彩独立不渗色艺术表现力。制成的成品材质具有良好延展性，便于碾压延展和锻打形变加工，焊接性能良好。在多彩金银有色贵金属首饰及工艺品领域具有广阔的应用前景，可用于多种工艺品的制作、珠宝镶嵌、首饰、手表、挂件、印章、币章、薄钞品、摆件、餐饮具。

可変ケース深さの粉末金属歯車及びその製造方法

本発明は、複数の歯及び複数の歯に鍛造された可変ケース深さ分布を備える歯車、及び、その製造方法を提供する。複数の歯の各々は、第一表面部及び歯元を有している。可変ケース深さ分布は、複数の歯の各々に形成されており、第一表面部上に大きな耐磨耗性及び歯元内に大きな耐衝撃性を示す。

一种热压致密工艺及一种18k彩金复合型材制成技术

本发明适用于饰品加工领域，提供了一种热压致密工艺及一种18K彩金复合型材制成技术，该热压致密工艺通过使用热压烧结法制取胚材，对胚材进行小形变强韧化处理，对胚材进行大形变静腔挤压处理，获得表面呈多彩纹理的全致密基材，由此制成的材料有良好压延性能，便于焊接，材质稳定，便于碾压延展和锻打形变加工，有优良的抗氧化和耐蚀能力，从而解决了界面共熔难、贵金属色彩单一的问题。

一种粉末冶金钛锆合金的氧含量调控方法

本发明公开了一种粉末冶金钛锆合金的氧含量调控方法，属于粉末冶金技术领域。所述方法包括以下步骤：对Ti粉进行加热渗氧，得到渗氧Ti粉；对所述渗氧Ti粉进行高能球磨，得到渗氧细Ti粉；将所述渗氧细Ti粉与Zr粉混合，得到混合粉末；对所述混合粉末进行真空热压烧结，得到钛锆合金烧结坯；将所述钛锆合金烧结坯进行大变形加工，得到钛锆合金。本发明采用粉末冶金法，对原料Ti粉进行加热渗氧及破碎处理，能够实现钛锆合金中氧元素的均匀化及氧含量的精确控制，获得具有高强韧性的口腔种植体用钛锆合金材料。

一种高性能铝硅合金锻件的制备方法

本发明提供了一种高性能铝硅合金锻件的制备方法，包括：将铝粉和硅粉进行高能球磨，得到高活性的超细铝硅混合粉体；将得到的混合粉体进行等静压成型，得到预制坯；将所述预制坯预热后进行锻造烧结，得到高性能铝硅合金锻件。本发明通过粉体锻造技术完成高活性、超细铝硅合金粉压力下的快速烧结及金属流体变形、流动和充模过程，同步实现了粉体烧结和烧结体的锻造变形，最终获得高致密性、高力学性能的铝硅合金锻件。

大尺寸等温锻造模具用tzm合金及其制备工艺和用途

本发明涉及合金制备技术领域，具体提供一种大尺寸等温锻造模具用TZM合金及其制备工艺和用途。本发明采用粉末冶金+热等静压+锻造工艺制备了TZM合金，提供了完整的工艺参数与加工方案，可实现大尺寸等温锻造模具用TZM合金的制备。使用该工艺可以制备得到高致密度、高硬度、高强度的TZM合金坯料。

一种大尺寸抗变形钼合金棒材及其制备方法

本发明提供一种大尺寸抗变形钼合金棒材及其制备方法。该方法包括：钼合金粉末的制备步骤、压制成型步骤、高温烧结步骤、锻造变形步骤以及退火步骤，其中，在钼合金粉末的制备步骤中，按重量百分比计：W5％‑15％，ZrO 2 0.5％‑2.5％，余量为Mo，分别称取钼源、钨源和锆源，进行混料处理，得到钼合金粉末。本发明制备的钼合金棒材的尺寸为φ90‑φ120mm，长度最长可达到3000mm，室温抗拉强度最高可达到750MPa，1300℃高温强度最高可达到350MPa，再结晶温度最高可达到1400℃。

合金化系统

用于制备钛合金的合金化系统，所述系统包括：对预定比例的元素粉末的混合物进行机械合金化的旋转研磨机，所述元素粉末包括钛颗粒、α稳定剂颗粒和β稳定剂颗粒；其中，用低冲击能将所述混合物机械合金化，以使所述钛颗粒与β稳定剂颗粒一起成层，然后对经机械合金化的混合物进行烧结，生成α和β稳定剂颗粒的交替层。

一种具有优良高温强度的低钽含量钨合金制备方法

本发明属于金属材料制备及加工领域，涉及一种具有优良高温强度的低钽含量钨合金制备方法。本方法通过热压烧结制备出钨钽合金圆柱；将烧结坯在氢气气氛下整体加热至1500～1600℃，并通过高能率锻造方法进行热塑性加工，经一道次或二道次锻造加工后使钨材料的变形量超过70％；锻造完成后，将钨坯进行退火处理以消除残余应力，退火温度为1100℃。本发明通过烧结方法及热塑性加工工艺的控制，使得制备好的钨钽合金的高温力学强度得到明显提高(相对纯钨)，且制备工艺相对简单。通过本发明所述工艺能得到近全致密的钨钽合金，并且材料具有优良的热导率和高温力学性能，室温热导率大于150W/mK，在500℃温度下拉伸强度仍高于1GPa。

一种航空发动机用粉末高温合金涡轮盘及其制备方法

本发明属于航空材料技术领域，涉及一种航空发动机用粉末高温合金涡轮盘及其制备方法。所述的制备方法包括如下步骤：(1)合金制备粉末装填；(2)热等静压坯料制备；(3)锻造毛坯制备；(4)整体锻件制备；(5)机加工。利用本发明的航空发动机用粉末高温合金涡轮盘及其制备方法，能够低成本的制备航空发动机用粉末高温合金涡轮盘，制得涡轮盘能够具有更优异的性能。

一种组织致密喷射工模具钢的制备方法

本发明的一种组织致密喷射工模具钢的制备方法，对工模具钢熔体进行氮、锆微合金化，氮加入量0.02～0.08wt％，锆加入量0.05～0.15wt％；中间包钢水过热度控制在30～80℃，利用高纯氮气使钢水雾化，喷嘴角度20～26°，沉积器旋转速度35～45转/分，得到工模具钢沉积坯；沉积坯在850～1000℃进行中温开坯，500～600℃稳定化处理后，在1050～1150℃扩散退火；采用“锻‑停‑锻‑停”非连续锻造工艺，锻造温度900～1100℃，每次锻造总压下量20～80％，中间停锻次数不少于2次，每次停锻等温时间15～60s；锻坯在400～600℃保温1～3h，进行退火预处理；再对锻坯进行炉冷退火或等温退火，得到成品。本方法生产出的喷射成型工模具钢组织致密均匀，碳化物细小、弥散，产品具有高硬度、耐磨性和韧性。

一种钛铝合金材料的制备方法和钛铝合金材料及其应用

本发明公开了一种钛铝合金材料的制备方法和钛铝合金材料及其应用，包括，取商业6061铝合金粉，合金粉的粒径为180～200目；纯钛粉，粒径为180～200目；取铝钛粉按照质量比7：3组成铝钛粉Ⅰ；取铝钛粉按照质量比5：5组成铝钛粉Ⅱ；取铝钛粉按照质量比3：7组成铝钛粉Ⅲ；球磨预处理；成型；制备钛铝合金材料基体；对双极板基体表面微弧氧化处理，获得具有纳米多孔结构的表面；制备钛铝合金材料。本发明提供钛铝合金材料，将质子交换膜燃料电池的双极板直接压制成型，成型过程中直接制备了流道，减少了后续加工工序，并进一步提升了钛铝合金材料的耐腐蚀性能和在PEMFCs工作环境中稳定性。

高端厨刀用复合板材的制备方法

本发明属于钢铁冶金技术领域，具体涉及高端厨刀用复合板材的制备方法。本发明所解决的技术问题是提供高端厨刀用复合板材的制备方法，所述复合板材包括外包套、第一外层、第二外层、第一内层和第二内层，第一外层、第二外层、第一内层和第二内层均设置在外包套中，第二内层设置在第一内层上，第一外层、第二外层分别设置在第一内层和第二内层的两侧；该复合钢板材备方法包括以下步骤：原料准备、组料与焊接、热等静压、加热、锻造开坯、加热及轧制、退火处理、热处理、精整。本发明所制备的复合板材具有高硬度、高耐磨性和高耐蚀性，且生产成本低、易规模化生产。

一种tc4钛合金棒材的锻造工艺

本发明涉及钛合金加工技术领域，具体地说是一种TC4钛合金棒材的锻造工艺。一种TC4钛合金棒材的锻造工艺，包括以下步骤：钛合金粉末的制备及烧结；钛合金锭的相变点以上温度锻造；二次锻坯的相变点以下温度锻造；钛合金棒材的固溶与时效处理。本发明先以不同的初锻和终锻温度对钛合金锭进行两次锻造，并在每次锻造后进行空冷和超声振动处理，通过分次降低锻造温度的锻造方法，可以防止钛合金锭在高温锻造中形变过量导致锻坯开裂，并在每次锻造结束后进行超声振动，使钛合金锭中的细小片层组织在高速振动下进一步的细化，分布更加均匀，从而提高了TC4钛合金棒材的抗拉强度以及屈服强度。

一种钨铼合金棒及其制备方法

本发明涉及粉末冶金技术领域，具体涉及一种钨铼合金棒及其制备方法，该钨铼合金棒按质量百分比由如下组分组成：铼5‑25％，碳化钨1‑5％，余量为钨。制备方法依次包括：湿化学制备粉体、冷等静压成型、高温烧结、旋锻加工成型，得到搅拌摩擦焊搅拌头。本发明的有益效果是，通过在钨铼基体中原位引入纳米碳化钨相，起到弥散强化的作用，同时硬质合金碳化钨本征优异的耐磨属性也极大的提升了搅拌头的耐磨性和致密性；且本发明制备工艺简单，成本低，适合工业化生产。

高强度钨合金丝的制备方法

本发明公开了高强度钨合金丝的制备方法，属于金属丝加工技术领域。在纯钨粉中添加少量的三氧化二镧合金元素，改善了钨粉的加工性能，利于后续加工。通过混料、压制、烧结、旋锻、退火、拉丝等工序进行制备，烧结棒坯直径为φ25mm‑φ50mm，可采用大加工率进行加工。旋锻处理后，在不同的直径下进行两次的完全再结晶退火，使棒材中的合金元素分段，单位体积内合金颗粒个数增加，在随后加工中，增加位错密度，提高材料的强度。在随后的拉丝过程中，将丝材塑脆转变温度降低至200℃以下，为成品细丝创造有利条件，从而最终制备出不易断线且强度高的金刚线切割钨丝。制备的钨丝规格为33um，强度可达到6500MPa‑7000MPa，可广泛用于光伏金刚线切割行业，具有重大的应用价值。

Temperature control system for additive manufacturing and method for same

A temperature control method for additive manufacturing includes directing an energy beam of a first energy source toward a material and fusing at least a portion of the material to form a cladding layer, forging the cladding layer with a micro-forging device, and detecting a first internal effect parameter of the cladding layer at a forging position where is forged by the micro-forging device. The first internal effect parameter includes at least one of a stress or a strain of the cladding layer. The method also includes calculating a first calculated temperature of the cladding layer at the forging position based on the first internal effect parameter and adjusting the at least one of the first energy source and the micro forging device if the first calculated temperature does not fall within a desired temperature range.

Method & computer program product

A method is for treating at least one part of a metal component that is at least partly produced by additive manufacturing. The method comprises the steps of heating the at least one part of the metal component to form at least one softened region, and applying a mechanical load to the at least one softened region to plastically deform the metal in the at least one softened region.

高强度钨合金丝的制备方法

本发明公开了高强度钨合金丝的制备方法，属于金属丝加工技术领域。在纯钨粉中添加少量的三氧化二镧合金元素，改善了钨粉的加工性能，利于后续加工。通过混料、压制、烧结、旋锻、退火、拉丝等工序进行制备，烧结棒坯直径为φ25mm‑φ50mm，可采用大加工率进行加工。旋锻处理后，在不同的直径下进行两次的完全再结晶退火，使棒材中的合金元素分段，单位体积内合金颗粒个数增加，在随后加工中，增加位错密度，提高材料的强度。在随后的拉丝过程中，将丝材塑脆转变温度降低至200℃以下，为成品细丝创造有利条件，从而最终制备出不易断线且强度高的金刚线切割钨丝。制备的钨丝规格为33um，强度可达到6500MPa‑7000MPa，可广泛用于光伏金刚线切割行业，具有重大的应用价值。

一种粉末锻造SiC增强异质结构铝基复合材料及制备方法

本发明公开了一种粉末锻造SiC增强异质结构铝基复合材料及制备方法，属于粉末冶金领域，本发明将SiC颗粒、铝合金粉末和铝合金粉末副产物混合后进行压制烧结及锻造，获得具有异质结构的铝基复合材料，该异质结构包括三种尺寸的组织：铝合金粉末副产物形成的Al粗晶、铝合金粉末形成的Al细晶以及SiC颗粒，其中铝合金粉末副产物形成的Al粗晶被铝合金粉末形成的Al细晶包围，粗、细晶区均被分布其中的SiC颗粒稳定。该方法合理的利用了铝合金粉末副产物，降低了SiC增强铝基复合材料生产成本，同时提高了粉末副产物的利用率，使用本发明方法制备的异质结构复合材料具有晶粒尺寸及粗细晶比例易调控的特点，可望协调提升铝基复合材料的强度和塑性。

一种具有异质结构的粉末冶金材料及其制备方法

本发明提供一种具有异质结构的粉末冶金材料及其制备方法，具体步骤如下：S1将初始合金粉末冷压得到的预制件置于含O 2 的气氛中，在200℃～600℃条件下进行60min～240min的内氧化，得到内氧化件；S2对内氧化件进行预烧结、热处理和后处理，得到粉末冶金材料。本发明选择宽尺度、单峰或多峰粒径分布粉末原料，预烧结前增加低温内氧化处理对不同粒径粉末的未搭接表面进行可控氧化，从而原位形成细小的氧化物颗粒，进一步预烧结后不同粒径粉末内部晶粒逐渐粗化、合并为单一晶粒，而外部形貌基本不变，形成了内生氧化物稳定的细晶包围粗晶的“核‑壳”异质结构，大大提高材料的强度和塑性。

一种高性能合金钢球及其制造方法

本发明属于钢球技术领域，具体地涉及一种高性能合金钢球及其制造方法。本方法通过高能球磨混合纳米Si C粉末、稀土元素粉末与基础钢材，经烧结、热变形处理形成球形坯料。再经正火、回火及淬火处理优化钢球内部结构。最后，利用钢丸撞击及高能喷丸在表面诱导出纳米晶层，并通过精磨和抛光提升表面光洁度，制得高性能合金钢球。本发明不仅提高了钢球的硬度、耐磨性和抗冲击性，还显著增强了其耐腐蚀性，使钢球的综合性能得到大幅提升，适用于多种严苛工况。

一种各向同性网状石墨烯-铝复合材料的制备方法

一种各向同性网状石墨烯‑铝复合材料的制备方法，涉及一种石墨烯‑铝复合材料的制备方法。为了实现石墨烯在铝基复合材料中各向同性分布、并解决碳铝界面反应、石墨烯‑铝结合强度低、石墨烯层不连续的问题。本发明通过机械球磨石墨烯通过骨架结构金属的强化学结合紧贴在铝金属粉末表面，利于高含量石墨烯在预制体中的均匀分散，烧结过程中构建的网状连通的骨架结构为石墨烯的应力和热流的传导提供了三维通路，呈现出宏观的各向同性；石墨烯片层之间由骨架结构金属和浸渗的铝金属桥连，有效的保障了应力在石墨烯片层间的充分传导，缓解材料应力集中，有利于实现材料应变均匀化。中骨架结构金属有效的提高了石墨烯‑铝金属基体间的界面结合。