KR930023095A - 미립자 금속 분말 - Google Patents

미립자 금속 분말 Download PDF

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Publication number
KR930023095A
KR930023095A KR1019930007411A KR930007411A KR930023095A KR 930023095 A KR930023095 A KR 930023095A KR 1019930007411 A KR1019930007411 A KR 1019930007411A KR 930007411 A KR930007411 A KR 930007411A KR 930023095 A KR930023095 A KR 930023095A
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KR
South Korea
Prior art keywords
less
metal powder
powder
particle size
ppm
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KR1019930007411A
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English (en)
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KR100251664B1 (ko
Inventor
쾨니히 테오
피스터 디트마르
Original Assignee
페테르 켈레르트, 칼-하인쯔 슐츠
하.체.스타르크 게엠베하 운트 코. 카게
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Application filed by 페테르 켈레르트, 칼-하인쯔 슐츠, 하.체.스타르크 게엠베하 운트 코. 카게 filed Critical 페테르 켈레르트, 칼-하인쯔 슐츠
Publication of KR930023095A publication Critical patent/KR930023095A/ko
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Publication of KR100251664B1 publication Critical patent/KR100251664B1/ko

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/28—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from gaseous metal compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Powder Metallurgy (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

본 발명은 10nm 내지 3μm 미만의 한정된 입자 크기를 갖는 B, Al, Si, Ti, Zr, Hf, V, Nb, Ta 및(또는) Cr 금속의 미립자 분말에 관한 것이다.

Description

미립자 금속 분말
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명에 의한 분말 제조기를 나타내는 개략도.

Claims (14)

1.0nm 내지 3μm 미만의 한정된 입자 크기를 갖고, 개개 입자들 중 평균 입자 크기로부터 40%이상 벗어나는 것은 1% 미만이며, 평균 입자 크기로부터 60%이상 벗어나는 개개 입자들은 존재하지 않는, B, Al, Si, Ti, Zr, Hf, V, Nb, Ta 및(또는) Cr로 이루어지는 군 중에서 선택되는 1종 이상의 미립자 금속 분말.
제 1 항에 있어서, 상기 분말의 개개 입자들 중 평균 입자 크기로부터 20% 이상 벗어나는 것은 1% 미만이며, 상기 분말의 개개 입자들 중 평균 입자 크기로부터 50% 이상 벗어나는 것은 존재하지 않는 금속 분말.
제 1 항에 있어서, 상기 분말의 개개 입자들 중 평균 입자 크기로부터 10%이상 벗어나는 것은 1%미만이며, 상기 분말의 개개 입자들 중 평균 입자 크기로부터 40% 이상 벗어나는 것은 존재하지 않는 금속 분말.
제 1 항에 있어서, 입자 크기가 1 내지 500nm 미만인 금속 분말.
제 1 항에 있어서, 입자 크기가 1 내지 100nm 미만인 금속 분말.
제 1 항에 있어서, 분말의 산소 함량이 5,000ppm 미만인 금속 분말.
제 1 항에 있어서, 분말의 산소 함량이 1,000ppm 미만인 금속 분말.
제 1 항에 있어서, 분말의 산소 함량이 100ppm 미만인 금속 분말.
제 1 항에 있어서, 산화성 불순물을 제외한 불순물의 총량이 5,000ppm 미만인 금속 분말.
제 1 항에 있어서, 산화성 불순물을 제외한 불순물의 총량이 1,000ppm 미만인 금속 분말.
제 1 항에 있어서, 산화성 불순물을 제외한 불순물의 총량이 200ppm 미만인 금속 분말.
제 1 항에 있어서, 분말이 1kg 이상의 양으로 제조되는 금속 분말.
제 1 항에 있어서, 입자 크기가 1 내지 50nm 미만인 금속 분말.
제 1 항에 있어서, 분말의 산소 함량이 50ppm 미만인 금속 분말.
※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930007411A 1992-05-04 1993-04-30 미립자 금속 분말 KR100251664B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4214722.0 1992-05-04
DE4214722A DE4214722C2 (de) 1992-05-04 1992-05-04 Feinteilige Metallpulver

Publications (2)

Publication Number Publication Date
KR930023095A true KR930023095A (ko) 1993-12-18
KR100251664B1 KR100251664B1 (ko) 2000-04-15

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Country Status (6)

Country Link
US (1) US5407458A (ko)
EP (1) EP0568863B1 (ko)
JP (1) JP3356325B2 (ko)
KR (1) KR100251664B1 (ko)
AT (1) ATE149110T1 (ko)
DE (2) DE4214722C2 (ko)

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US6344271B1 (en) 1998-11-06 2002-02-05 Nanoenergy Corporation Materials and products using nanostructured non-stoichiometric substances
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Also Published As

Publication number Publication date
DE59305509D1 (de) 1997-04-03
KR100251664B1 (ko) 2000-04-15
DE4214722A1 (de) 1993-11-11
US5407458A (en) 1995-04-18
EP0568863A1 (de) 1993-11-10
JPH0625701A (ja) 1994-02-01
ATE149110T1 (de) 1997-03-15
DE4214722C2 (de) 1994-08-25
EP0568863B1 (de) 1997-02-26
JP3356325B2 (ja) 2002-12-16

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