KR840001868A - Process for producing a powdered metal article having uniform physical properties - Google Patents

Process for producing a powdered metal article having uniform physical properties Download PDF

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Publication number
KR840001868A
KR840001868A KR1019820004562A KR820004562A KR840001868A KR 840001868 A KR840001868 A KR 840001868A KR 1019820004562 A KR1019820004562 A KR 1019820004562A KR 820004562 A KR820004562 A KR 820004562A KR 840001868 A KR840001868 A KR 840001868A
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South Korea
Prior art keywords
article
density
iron
particles
metal particles
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KR1019820004562A
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Korean (ko)
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에스·막슨 블라디미르
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럿셀 이 바우만
임페리얼 클레비트 인코퍼레이티드
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Application filed by 럿셀 이 바우만, 임페리얼 클레비트 인코퍼레이티드 filed Critical 럿셀 이 바우만
Publication of KR840001868A publication Critical patent/KR840001868A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12Both compacting and sintering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/18Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)

Abstract

내용 없음No content

Description

균일한 물리적 성질을 가지는 분말금속 물품을 제조하는 방법Process for producing a powdered metal article having uniform physical properties

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (10)

금속물품을 제조하는 방법에 있어서, 바라는 바의 화학적 조성을 가지는 다수의 분말금속 입자를 제공하는 것과 이론적 밀도의 거의 50%인 압분체 밀도를 가지는 자기유지 물품을 생산하기에 충분한 정도로 상기 분말 금속 입자의 바라는 바의 양을 분말압연하는 것; 냉간 재압연으로서 최초의 역밀도(기공도)의 거의 90%에 상당한 비율로 최초에 압연된 물품의 두께를 감소하기 위하여 이루어지도록 이론적 밀도의 적어도 90%인 압분체 밀도를 상기 물품이 가지도록 하는데 충분한 정도로 가열함이 없이 상기 자기유지 물품을 냉간 재압연하는 것; 그리고 본질적으로 균일한 물리적 성질을 가지는 것을 특징으로 하는 균질한 품품을 생산하기에 충분한 온도에서 상기 재압연된 물품을 소결하는 것을 포함하며 분말금속으로부터 본질적으로 균일한 물리적 성질을 가지는 특징으로 하는 금속물품을 생산하는 방법.A method of making a metal article comprising the steps of providing said powder metal particles with a desired chemical composition and sufficient to produce a self-maintaining article having a green density of approximately 50% of theoretical density. Powder rolling the desired amount; Cold re-rolling allows the article to have a green compact density of at least 90% of the theoretical density so as to reduce the thickness of the initially rolled article in a substantial proportion to nearly 90% of the original reverse density (porosity). Cold rerolling the self-sustaining article without heating to a sufficient degree; And sintering the re-rolled article at a temperature sufficient to produce a homogeneous article characterized by having essentially uniform physical properties and characterized by having essentially uniform physical properties from the powdered metal. How to produce. 제1항에 있어서, 상기 분말금속입자가 티타늄, 티타늄합금, 철 및 철합금으로 구성되는 그룹으로부터 선택된 적어도 하나의 재료로부터 만들어지는 것을 특징으로 하는 방법.The method of claim 1 wherein the powder metal particles are made from at least one material selected from the group consisting of titanium, titanium alloys, iron and iron alloys. 제1항에 있어서, 상기 분말금속 입자가 티타늄 입자와 알미늄-바나듐 합금 입자의 혼합물로부터 만들어지는 것을 특징으로 하는 방법.The method of claim 1 wherein the powder metal particles are made from a mixture of titanium particles and aluminum-vanadium alloy particles. 제2항에 있어서, 상기 철합금 입자는 철 및 규소의 합금으로부터 만들어지는 것을 특징으로 하는 방법.3. The method of claim 2, wherein the iron alloy particles are made from an alloy of iron and silicon. 제1항에 있어서, 상기한 소결이 상기 분말 금속입자의 주성분의 용융점 보다 70% 또는 그 이하인 온도에서 이루어지는 것을 특징으로 하는 방법.The method according to claim 1, wherein the sintering is performed at a temperature that is 70% or less than the melting point of the main component of the powder metal particles. 원하는 바의 화학적 성분을 가지는 분말금속 입자의 대부분을 제공하는 것; 이론적밀도의 적어도 50%인 압분체 밀도를 가지는 자기유지 물품을 제조기에 충분한 정도로 상기 금속 입지의 바라는 바의 양을 분말 압연하는 것; 냉간 재압연이 최초의 이론적인 역밀고(기공도)의 적어도 90%에 상등한 비율로 최초에 압연된 상태의 물품의 두께를 감감소시키기 위하여 행하여지며 하기 물품이 이론적 밀도의 적어도 90%인 압분체 밀도를 가지게 하기에 충분한 정도로 가열하는 일없이 상기 자기유지물품을 냉간재압연이 하는 것, 본질적으로 균일한 물리적 성질을 가지는 것이 특징인 균질한 물품을 제조하기에 충분한 온도에서 상기 재압연된 물품을 소결하는 것을 포함하는 방법에 의하여 생산된 본질적으로 동일한 물리적 성질을 가지는 것을 특징으로 하는 소결분말 금속 물품.Providing a majority of the powdered metal particles having the desired chemical composition; Powder rolling the desired amount of metal location to a sufficient extent to produce a self-maintaining article having a green density of at least 50% of theoretical density; Cold re-rolling is performed to reduce the thickness of the article in the first rolled state at a rate comparable to at least 90% of the original theoretical countertightness (porosity) and the following article is pressed at least 90% of the theoretical density. Cold rerolling the self-maintaining article without heating it to a sufficient density to have a powder density, the rerolled article at a temperature sufficient to produce a homogeneous article characterized by having essentially uniform physical properties Sintered powder metal article, characterized in that it has essentially the same physical properties produced by a process comprising sintering. 제6항의 물품에 있어서, 티타늄, 티타늄합금, 철 및 철합금으로 구성하는 그룹으로부터 선택된 적어도 하나의 재료로부터 상기 분말금속 입자가 가공되어지는 것을 특징으로 하는 물품.7. The article of claim 6, wherein the powder metal particles are processed from at least one material selected from the group consisting of titanium, titanium alloys, iron and iron alloys. 제6항의 물품에 있어서, 상기 분말금속입자는 티타늄입자, 알미늄-바나듐 합금입자로부터 가공되어지는 것을 특징으로 하는 물품.The article of claim 6, wherein the powder metal particles are processed from titanium particles and aluminum-vanadium alloy particles. 제6항의 물품에 있어서, 상기 철합금이 철 및 규소의 합금으로부터 가공되어지는 것을 특징으로 하는 물품.The article of claim 6, wherein the iron alloy is processed from an alloy of iron and silicon. 제6항의 물품에 있어서, 상기 소결은 상기 분말금속 입자의 주성분의 용융점의 70% 또는 그 이하의 온도에서 이루어지는 것을 특징으로 하는 물품.The article according to claim 6, wherein the sintering is performed at a temperature of 70% or less of the melting point of the main component of the powder metal particles. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019820004562A 1981-12-16 1982-10-11 Process for producing a powdered metal article having uniform physical properties KR840001868A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33170381A 1981-12-16 1981-12-16
US331,703 1981-12-16

Publications (1)

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KR840001868A true KR840001868A (en) 1984-06-07

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KR1019820004562A KR840001868A (en) 1981-12-16 1982-10-11 Process for producing a powdered metal article having uniform physical properties

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JP (1) JPS58107402A (en)
KR (1) KR840001868A (en)
AU (1) AU8886482A (en)
BR (1) BR8207309A (en)
DE (1) DE3242404A1 (en)
FR (1) FR2517998A1 (en)
GB (1) GB2112021A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6030472A (en) * 1997-12-04 2000-02-29 Philip Morris Incorporated Method of manufacturing aluminide sheet by thermomechanical processing of aluminide powders
AU2007201490B2 (en) 2007-04-04 2012-02-23 Commonwealth Scientific And Industrial Research Organisation Titanium flat product production

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FR2517998A1 (en) 1983-06-17
BR8207309A (en) 1983-10-18
GB2112021A (en) 1983-07-13
JPS58107402A (en) 1983-06-27
DE3242404A1 (en) 1983-07-21
AU8886482A (en) 1983-06-23

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