KR900014613A - 공작물 또는 공구의 분말야금 제조방법 및 분말야금 부품 - Google Patents

공작물 또는 공구의 분말야금 제조방법 및 분말야금 부품 Download PDF

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Publication number
KR900014613A
KR900014613A KR1019900002885A KR900002885A KR900014613A KR 900014613 A KR900014613 A KR 900014613A KR 1019900002885 A KR1019900002885 A KR 1019900002885A KR 900002885 A KR900002885 A KR 900002885A KR 900014613 A KR900014613 A KR 900014613A
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South Korea
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carbon
nitrogen
weight
powder metallurgy
content
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KR1019900002885A
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English (en)
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히리베르니크 브루노
하클 게르하르트
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페터 마호너·이름트라우드 자우러
뵐러 게젤샤프트 엠.베.하.
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Publication of KR900014613A publication Critical patent/KR900014613A/ko

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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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • C23C8/32—Carbo-nitriding of ferrous surfaces
    • 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
    • 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.]
    • Y10T428/12535—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.] with additional, spatially distinct nonmetal component
    • Y10T428/12576—Boride, carbide or nitride component

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

Abstract

내용 없음

Description

공작물 또는 공구의 분말야금 제조방법 및 분말야금 부품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 매트릭스에 융점이 높은 탄화물 및/또는 질화탄소가 균일하게 분포된 공작물, 특히 공구를 분말야금 제조하기 위한 방법에 있어서, 주기율표의 IV 및 V족 요소의 함량이 최소한 3.0중량%, 바람직하게는 5.0중량%인 용융물 내의 탄소농도 및 질소농도를 낮게 조절하고, 합금의 융점 이상의 온도에서 탄화물, 질화물 및 질화탄소의 1차 침전을 방지하며, 용융물을 0.9mm2, 바람직하게는 최대 0.6mm2의 최대 입자 표면을 가진 분말로 소둔시 및/또는 분말을 탄소 또는 탄소화합물 및/또는 질소 또는 질소 화합물의 분위기 또는 매질에서 확산소둔시 탄소 및/또는 질소함량 또는 탄화물 및/또는 질화탄소의 양을 최소 10부피%로 조절하고, 상기 분말을 경우에 따라 하나 또는 다수의 다른 분말과 혼합한 후 공지된 방법으로 압축 성형에 의해 예컨대, 소결, 열간 정수압처리 및/또는 열간 성형등에 의해 분말 야금 부품으로 가공하는 것을 특징으로 하는 공작물 또는 공구의 분말야금 제조방법.
  2. 제1항에 있어서, 최소한 3.0중량%, 바람직하게는 최소한 5.0중량%의 전체 함량을 가지는 주기율표의 IV 및 V족의 최소한 2요소를 함유하는, 입자화를 위해 용융한 합금내의 탄소함량 K(중량%) 및 질소함량 S(ppm)을 하기식에 따라 산출된 값보다 작게 조절하는 것을 특징으로 하는 방법:
    상기식에서, 함량(중량%)은 최소한 0.7 Ti, 1 Zr, 1,1 V, 0.8Nb, 1Hf 및 1Ta이다.
  3. 제1항 및 2항에 있어서, 입자화매질이 탄화수소화합물 및/또는 질소를 함유하거나 이들로 이루어지는 것을 특징으로 하는 방법.
  4. 제1항 내지 3항에 있어서, 최소 오오스테나이트화 온도로부터 최고 합금의 열변형 온도 이하인 50℃에서 그리고 탄소 및/또는 탄화수소를 산출하는 고체, 유체 또는 기체 형태의 매질 내에서 확산 소둔시키는 것을 특징으로 하는 방법.
  5. 제1항 내지 4항에 있어서, 탄화물의 양을 조절하기 위해 입자화 매질 및/또는 소든 분위기 내의 탄소 화합물 및/또는 질소의 함량 또는 부분압력을 조절하는 것을 특징으로 하는 방법.
  6. 제1항 내지 5항에 있어서, 확산 소둔 동안 분위기의 가스 또는 가스혼합물이 상대운동에 의해 분말입자 표면과 강력하게 접촉하게 하고, 바람직하게는 분말이 흐르게 하는 것을 특징으로 하는 방법.
  7. 제1항 내지 6항에 있어서, 서로 다른 조성 및/또는 상이한 탄소 및 질소함량을 가진 2또는 다수의 분말을 균일하게 혼합하고, 이 혼합한 분말로 분말야금 부품을 제조하는 것을 특징으로 하는 방법.
  8. 제1항 내지 7항에 있어서, 분말야금 부품을 공지된 방식으로 에컨대, CVD 또는 PVD법에 의해 TiN과 같은 기계 저항성 재료층으로 코팅하는 것을 특징으로 하는 방법.
  9. 주기울표의 IV 및 V족의 최소한 2요소의 총 함량이 최소한 3.0중량%, 바람직하게는 최소한 5.0중량%이고, 최대 입자 크기가 5㎛일 때 최소한 10부피%, 바람직하게는 최소한 13부피%의 탄화물 및/또는 질화탄소 및/또는 질화물의 양을 가지는 것을 특징으로 하는 제1항 내지 8항의 방법에 따라 제조된 공작물 또는 공구.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900002885A 1989-03-06 1990-03-03 공작물 또는 공구의 분말야금 제조방법 및 분말야금 부품 KR900014613A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT491/89A AT392929B (de) 1989-03-06 1989-03-06 Verfahren zur pulvermetallurgischen herstellung von werkstuecken oder werkzeugen
ATA491/89 1989-03-06

Publications (1)

Publication Number Publication Date
KR900014613A true KR900014613A (ko) 1990-10-24

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KR1019900002885A KR900014613A (ko) 1989-03-06 1990-03-03 공작물 또는 공구의 분말야금 제조방법 및 분말야금 부품

Country Status (5)

Country Link
US (1) US5034282A (ko)
EP (1) EP0387237A3 (ko)
JP (1) JPH02282436A (ko)
KR (1) KR900014613A (ko)
AT (1) AT392929B (ko)

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US5238482A (en) * 1991-05-22 1993-08-24 Crucible Materials Corporation Prealloyed high-vanadium, cold work tool steel particles and methods for producing the same
US5256368A (en) * 1992-07-31 1993-10-26 The United States Of America As Represented By The Secretary Of The Interior Pressure-reaction synthesis of titanium composite materials
US5669059A (en) * 1994-01-19 1997-09-16 Alyn Corporation Metal matrix compositions and method of manufacturing thereof
US5980602A (en) * 1994-01-19 1999-11-09 Alyn Corporation Metal matrix composite
US5722033A (en) * 1994-01-19 1998-02-24 Alyn Corporation Fabrication methods for metal matrix composites
CN1123192A (zh) * 1994-11-15 1996-05-29 郝相臣 一种过滤构件的制备方法及其制品
GB2315441B (en) * 1996-07-20 2000-07-12 Special Melted Products Limite Production of metal billets
CN103551573B (zh) * 2013-10-22 2015-06-17 中国科学院金属研究所 可避免原始颗粒边界相析出的高温合金粉末热等静压工艺
US10794210B2 (en) 2014-06-09 2020-10-06 Raytheon Technologies Corporation Stiffness controlled abradeable seal system and methods of making same
WO2023144592A1 (en) * 2022-01-31 2023-08-03 Arcelormittal Ferrous alloy powder for additive manufacturing

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Also Published As

Publication number Publication date
EP0387237A2 (de) 1990-09-12
JPH02282436A (ja) 1990-11-20
AT392929B (de) 1991-07-10
ATA49189A (de) 1990-12-15
US5034282A (en) 1991-07-23
EP0387237A3 (de) 1991-01-23

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