KR970700255A - Co-Cr-Mo 분말 야금 제품 및 그 제조 방법(Co-Cr-Mo POWDER METALLURGY ARTICLES AND PROCESS FOR THEIR MANUFACTURE) - Google Patents

Co-Cr-Mo 분말 야금 제품 및 그 제조 방법(Co-Cr-Mo POWDER METALLURGY ARTICLES AND PROCESS FOR THEIR MANUFACTURE)

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Publication number
KR970700255A
KR970700255A KR1019960703341A KR19960703341A KR970700255A KR 970700255 A KR970700255 A KR 970700255A KR 1019960703341 A KR1019960703341 A KR 1019960703341A KR 19960703341 A KR19960703341 A KR 19960703341A KR 970700255 A KR970700255 A KR 970700255A
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South Korea
Prior art keywords
alloy
powder
carbon
nitrogen
alloy contains
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KR1019960703341A
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English (en)
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KR100236151B1 (ko
Inventor
제이. 델 코르소 그레고리
Original Assignee
존 웨이샘플
씨알에스 홀딩즈, 인코오포레이티드
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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
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/02—Inorganic materials
    • A61L27/04—Metals or alloys
    • A61L27/045—Cobalt or cobalt alloys
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
    • A61F2310/00005—The prosthesis being constructed from a particular material
    • A61F2310/00011—Metals or alloys
    • A61F2310/00029—Cobalt-based alloys, e.g. Co-Cr alloys or Vitallium
    • 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
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/02—Nitrogen
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/95—Consolidated metal powder compositions of >95% theoretical density, e.g. wrought

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Transplantation (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Materials For Medical Uses (AREA)

Abstract

분말 야금 제품은 Co-Cr-Mo 합금 분말로부터 성형되고 그 제품의 제조방법이 개시되어 있다. 이 Co-Cr-Mo 합금 분말은 중량 퍼센트에 있어서, 최대 약 0.35%의 C, 최대 약 1.00%의 Mn, 최대 약 1.00%의 Si, 약 26.0~30.0% Cr, 약 5.0~7.0% Mo, 최대 약 3%의 Ni, 최대 약 0.25%의 N, 최대 약 1.00%의 Fe, 최대 약 0.01% 산화물 형성 금속, 그리고 나머지는 필수적으로 Co를 함유한다. 이들 각각의 중량 퍼센트 한도 내에서, C와 N은 관계식인 62.866+360.93×(%C)+286.633×(%N)-682.165×(%C)2-641.702×(%N)2≥120을 만족시키도록 제어된다.

Description

Co-Cr-Mo 분말 야금 제품 및 그 제조 방법(Co-Cr-Mo POWDER METALLURGY ARTICLES AND PROCESS FOR THEIR MANUFACTURE)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (18)

  1. 강도, 경도, 연성, 그리고 내식성이 현저한 Co-Cr-Mo 합금 제품을 제조하는 방법으로서, 중량 퍼센트에 있어서, 약
    를 필수적으로 구성하고, 그중 탄소와 질소의 양은 관계식인
    62.866+360.93×(%C)+286.633×(%N)-682.165×(%C)2-641.702×(%N)2≥120
    을 만족시키는 분말 합금 장입물을 제조하는 단계와, 실질적으로 충분히 밀도가 높은 압밀 성형품(compact)을 제조하기 위해 선택된 소정의 온도 및 압력에서 상기 분말 합금 장입물을 융착 성형하는 단계를 구비하는 것을 특징으로 하는 제조 방법.
  2. 제1항에 있어서, 탄소와 질소의 화합양은 적어도 약 0.31%인 것을 특징으로 하는 제조 방법.
  3. 제2항에 있어서, 상기 합금은 적어도 약 0.19% 탄소와, 적어도 약 0.13% 질소를 함유하는 것을 특징으로 하는 제조 방법.
  4. 제3항에 있어서, 상기 합금은 약 0.30% 탄소 이하를 함유하는 것을 특징으로 하는 제조방법.
  5. 제1항에 있어서, 상기 합금은 최대 약 1.0%의 니켈을 함유하는 것을 특징으로 하는 제조 방법.
  6. 제1항에 있어서, 필요한 제품 형태를 제공하기 위해 압밀 성형품을 기계적으로 열간 가공하는 단계를 구비하는 것을 특징으로 하는 제조 방법.
  7. 제1항에 있어서, 분말 합금 장입물을 제조하는 단계로서, 중량 퍼센트에 있어서, 약
    를 함유한 조성을 가진 용융 합금을 성형하기 위해 소정 용기(vessel) 속의 재료를 용융시키는 단계와, 합금 분말을 제조하기 상기 용융 합금을 질소 가스로 분사시키는 단계와, 상기 합금 분말로 금속재 캐니스터(canister)를 충진시키는 단계를 구비하는 것을 특징으로 하는 제조 방법.
  8. 제7항에 있어서, 상기 금속 재료를 용융시키는 단계는 대기압 이하에서 실행되는 것을 특징으로 하는 제조 방법.
  9. 제8항에 있어서, 상기 금속 재료를 용융시키는 단계는 불활성 가스의 분압하에서 실행되는 것을 특징으로 하는 제조 방법.
  10. 제8항에 있어서, 상기 금속 재료를 용융시키는 단계는 불활성 가스와 질소 가스를 포함하는 반응 보호 가스(cover gas)의 분압하에서 실행되는 것을 특징으로 하는 제조 방법.
  11. 제7항에 있어서, 상기 용융 합금을 분사시키는 단계는 합금 분말을 불활성 가스 속에서 냉각시키는 단계를 구비하는 것을 특징으로 하는 제조 방법.
  12. Co-Cr-Mo 합금 분말로 성형된 실질적으로 충분히 밀도가 높은 분말야금 제품으로서, 중량 퍼센트에 있어서, 약
    의 조성을 가지고, 그중 탄소와 질소의 양은 관계식인
    62.866+360.93×(%C)+286.633×(%N)-682.165×(%C)2-641.702×(%N)2≥120
    을 만족시키는 것을 특징으로 하는 분말 합금 제품.
  13. 제12항에 있어서, 탄소와 질소의 화합양은 적어도 약 0.31%인 것을 특징으로 하는 분말 야금 제품.
  14. 제13항에 있어서, 상기 합금은 적어도 약 0.19% 탄소와, 적어도 약 0.13% 질소를 함유하는 것을 특징으로 하는 분말 야금 제품.
  15. 제14항에 있어서, 상기 합금은 약0.30% 탄소 이하를 함유하는 것을 특징으로 하는 분말 야금 제품.
  16. 제12항에 있어서, 상기 합금은 약 0.19~0.29% 탄소와 약 0.13~0.25% 질소를 함유하는 것을 특징으로 하는 분말 야금 제품.
  17. 제12항에 있어서, 상기 합금은 0.25~0.28% 탄소와 약 0.15~0.20% 질소를 함유하는 것을 특징으로 하는 분말 야금 제품.
  18. 제12항에 있어서, 상기 합금은 최대 약 1.0%의 니켈을 함유하는 것을 특징으로 하는 분말 야금 제품.
KR1019960703341A 1993-12-23 1994-11-30 Co-Cr-Mo 분말야금제품 및 그 제조 방법 KR100236151B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US8/173343 1993-12-23
US08/173,343 1993-12-23
US08/173,343 US5462575A (en) 1993-12-23 1993-12-23 Co-Cr-Mo powder metallurgy articles and process for their manufacture
PCT/US1994/013683 WO1995017530A1 (en) 1993-12-23 1994-11-30 Co-cr-mo powder metallurgy articles and process for their manufacture

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KR970700255A true KR970700255A (ko) 1997-01-08
KR100236151B1 KR100236151B1 (ko) 1999-12-15

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US (1) US5462575A (ko)
EP (1) EP0736108B1 (ko)
JP (1) JP3010378B2 (ko)
KR (1) KR100236151B1 (ko)
AT (1) ATE181372T1 (ko)
CA (1) CA2178808C (ko)
DE (1) DE69419176T2 (ko)
ES (1) ES2135038T3 (ko)
TW (1) TW310344B (ko)
WO (1) WO1995017530A1 (ko)

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US5462575A (en) 1995-10-31
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WO1995017530A1 (en) 1995-06-29
KR100236151B1 (ko) 1999-12-15
ES2135038T3 (es) 1999-10-16
DE69419176T2 (de) 2000-01-05
ATE181372T1 (de) 1999-07-15
DE69419176D1 (de) 1999-07-22
TW310344B (ko) 1997-07-11

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