KR950017006A - 코발트 금속 분말 및 그로부터 제조된 복합 소결품 - Google Patents

코발트 금속 분말 및 그로부터 제조된 복합 소결품 Download PDF

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KR950017006A
KR950017006A KR1019940035311A KR19940035311A KR950017006A KR 950017006 A KR950017006 A KR 950017006A KR 1019940035311 A KR1019940035311 A KR 1019940035311A KR 19940035311 A KR19940035311 A KR 19940035311A KR 950017006 A KR950017006 A KR 950017006A
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metal powder
cobalt metal
less
cobalt
ppm
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KR1019940035311A
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KR100340161B1 (ko
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희네 마티아스
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페테르 켈레르트, 칼-하인쯔 슐츠
하. 체. 스타르크 게엠베하 운트 코. 카게
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/0433—Nickel- or cobalt-based alloys
    • 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
    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • 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
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
    • B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12028—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, etc.]
    • Y10T428/12049—Nonmetal component
    • Y10T428/12056—Entirely inorganic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12861—Group VIII or IB metal-base component
    • Y10T428/12931—Co-, Fe-, or Ni-base components, alternative to each other

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

본 발명은 다이아몬드 및(또는)경질－금속 공구, 및(또는) 내마모성 피복물의 제조에 사용되는 결합제로서의 코발트 금속 분말 및 그로부터 제조된 복합 소결품에 관한 것이다.

Description

코발트 금속 분말 및 그로부터 제조된 복합 소결품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제3도는 본 발명의 바람직한 실시태양에 따른 2성분 코발트 분말(제3도－실시예 2참조)의 SEM현미경 사진.

Claims (15)

  1. 분말의 20 내지 80중량%인 제1성분이 본질적으로 광학적으로 측정한 입도가 5 내지 150㎛인 분무 코발트 금속 분말로 이루어지고, 100중량%를 이루는 나머지는 제2성분이 본질적으로 광학적으로 측정한 1차 입도가 3㎛미만인 환원된 코발트 금속 분말로 이루어진 것을 특징으로 하는, 다이아몬드 및(또는) 경질 금속 공구, 및(또는) 내마모성 피복물을 제조하기 위한 결합제 금속으로서 사용되는 2성분 결정성 코발트 금속 분말.
  2. 제1항에 있어서, 분무 코발트 금속 분말의 양이 30 내지 70중량%인 것을 특징으로 하는 코발트 금속 분말.
  3. 제1항 또는 제2항에 있어서, 제2성분이 응집된 것임을 특징으로 하는 코발트 금속 분말.
  4. 제3항에 있어서, 결정성 코발트 금속 분말이 질소 1－포인트법(DIN 66131)으로 측정하여, 0.8㎡/g이상의 BET표면을 가지는 것을 특징으로 하는 코발트 금속 분말.
  5. 제4항에 있어서, 분무 코발트 성분이 주로 회전 타원형인 것을 특징으로 하는 코발트 금속 분말.
  6. 제1항 또는 제2항에 있어서, 분무 코발트 금속 분말이 주로 회전 타원형인 수－분무 코발트 금속 분말인 것을 특징으로 하는 코발트 금속 분말.
  7. 제1항 또는 2항에 있어서, 분무 코발트 금속 분말이 주로 회전 타원형인 기체－분무 코발트 금속 분말인 것을 특징으로 하는 코발트 금속 분말.
  8. 제1항 또는 2항에 있어서, 겉보기 밀도가 1.4g/㎤미만인 것을 특징으로 하는 코발트 금속 분말.
  9. 제1항 또는 2항에 있어서, 알루미늄 20ppm미만, 칼슘 20ppm미만, 나트륨 30ppm미만, 마그네슘 20ppm미만, 황 30ppm미만 및 규소 75ppm미만을 함유하는 것을 특징으로 하는 코발트 금속 분말.
  10. 제1항 또는 2항에 있어서, 고온 압착 시험 플레이트에서 측정한, 록웰(Rockwell)경도가 적어도 98HRB인 것을 특징으로 하는 코발트 금속 분말.
  11. 경질－금속 분말 및 다이아몬드 분말로 이루어진 군으로부터 선택된 강화상, 및 제1항 또는 2항의 코발트 금속 분말로 이루어진 결합제가 있는 복합 소결품.
  12. 겉보기 밀도가1.4g/㎤미만이고, 고온－압착 시험 플레이트 중에서 측정한 록웰(Rockwell)경도가 적어도 98HRB이며, 알루미늄 20ppm미만, 칼슘 20ppm미만, 나트륨 ppm미만, 마그네슘 20ppm미만, 황 30ppm미만 및 규소 75ppm미만인 불순물 농도를 가지고, 질소 1－포인트법(DIN 66132)으로 측정한 BET표면이 0.8㎡/g이상이며, 본질적으로는 분무 코발트 성분 20 내지 80중량% 및 100중량%을 이루는 나머지의 산화 코발트 환원에 의한 코발트 금속 생성물로 이루어진 코발트 금속 분말.
  13. 제12항에 있어서, 분무 성분이 주로 회전 타원형인 것을 코발트 금속 분말.
  14. 제12항 또는 제13항에 있어서, 분무 성분의 중량%가 30 내지 70인 코발트 금속분말.
  15. 경질－금속 분말 및 다이아몬드 분말로 이루어진 군으로부터 선택된 강화상, 및 제12항 또는 13항의 코발트 금속 분말로 이루어진 결합제가 있는 복합 소결품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940035311A 1993-12-21 1994-12-20 코발트금속분말및그로부터제조된복합소결품 KR100340161B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4343594A DE4343594C1 (de) 1993-12-21 1993-12-21 Kobaltmetallpulver sowie daraus hergestellte Verbundsinterkörper
DEP4343594.7 1993-12-21

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KR950017006A true KR950017006A (ko) 1995-07-20
KR100340161B1 KR100340161B1 (ko) 2002-10-31

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US (1) US5482530A (ko)
EP (1) EP0659507B1 (ko)
JP (1) JP3435660B2 (ko)
KR (1) KR100340161B1 (ko)
CN (1) CN1070094C (ko)
AT (1) ATE168054T1 (ko)
DE (2) DE4343594C1 (ko)
ES (1) ES2118304T3 (ko)
GR (1) GR3027693T3 (ko)
RU (1) RU2126310C1 (ko)

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DE19544107C1 (de) * 1995-11-27 1997-04-30 Starck H C Gmbh Co Kg Metallpulver-Granulat, Verfahren zu seiner Herstellung sowie dessen Verwendung
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Also Published As

Publication number Publication date
CN1112466A (zh) 1995-11-29
EP0659507A1 (de) 1995-06-28
JPH07207301A (ja) 1995-08-08
US5482530A (en) 1996-01-09
CN1070094C (zh) 2001-08-29
GR3027693T3 (en) 1998-11-30
RU2126310C1 (ru) 1999-02-20
DE4343594C1 (de) 1995-02-02
JP3435660B2 (ja) 2003-08-11
RU94045279A (ru) 1997-04-20
DE59406412D1 (de) 1998-08-13
ATE168054T1 (de) 1998-07-15
EP0659507B1 (de) 1998-07-08
KR100340161B1 (ko) 2002-10-31
ES2118304T3 (es) 1998-09-16

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