KR920700819A - Method of manufacturing cemented carbide or cermet alloy - Google Patents

Method of manufacturing cemented carbide or cermet alloy

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Publication number
KR920700819A
KR920700819A KR1019910700490A KR910700490A KR920700819A KR 920700819 A KR920700819 A KR 920700819A KR 1019910700490 A KR1019910700490 A KR 1019910700490A KR 910700490 A KR910700490 A KR 910700490A KR 920700819 A KR920700819 A KR 920700819A
Authority
KR
South Korea
Prior art keywords
temperature
binder
organic binder
cemented carbide
low
Prior art date
Application number
KR1019910700490A
Other languages
Korean (ko)
Other versions
KR940009337B1 (en
Inventor
노부유끼 기따가와
도시오 노무라
Original Assignee
나까하라 쯔네오
스미또모 덴끼 고교 가부시끼가이샤
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Application filed by 나까하라 쯔네오, 스미또모 덴끼 고교 가부시끼가이샤 filed Critical 나까하라 쯔네오
Publication of KR920700819A publication Critical patent/KR920700819A/en
Application granted granted Critical
Publication of KR940009337B1 publication Critical patent/KR940009337B1/en

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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
    • 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
    • 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
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • 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
    • B22F3/1017—Multiple heating or additional steps
    • 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
    • B22F3/1017—Multiple heating or additional steps
    • B22F3/1021—Removal of binder or filler
    • 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
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • 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
    • B22F2201/10—Inert gases
    • 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
    • B22F2201/20—Use of vacuum
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)

Abstract

내용 없음No content

Description

초경합금 또는 서멧 합금의 제조방법Method of manufacturing cemented carbide or cermet alloy

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

초경합금 분말 또는 서멧 합금 분말을 유기 바인더와 혼합, 혼련하고, 이 혼합 분말을 사츨 성형법에 의해 소정 형상으로 성형하고, 그후 이 성형체로부터 유기 바인더를 제거하여 소결함으로써 치밀한 합금을 얻는, 초경합금 또는 서멧 합금의 제조 방법에 있어서, 상기 유기 바인더의 제거를 제1제거 공정으로서 우선 불활성 가스중에서 행하고, 이어서 제2제거 공정으로서 1트로 이하의 진공중에서 행하는 것을 특징으로 하는 초경합금 또는 서멧 합금의 제조 방법.The cemented carbide or cermet alloy is obtained by mixing and kneading the cemented carbide powder or cermet alloy powder with the organic binder, and molding the mixed powder into a predetermined shape by the Satsler molding method, and then removing the organic binder from the molded body and sintering to obtain a dense alloy. The manufacturing method of the cemented carbide or cermet alloy which removes the said organic binder as a 1st removal process first in an inert gas, and then performs it in vacuum below 1 tro as a 2nd removal process. 제1항에 있어서, 상기 유기 바인더는 저온에서 제거가능한 그룹과 고온에서 제거되는 그룹으로 구분되는 복수 종류의 바인더를 포함하고, i종류의 바인더를 포함하는 저온 제거 그룹의 각 바인더의 유기 바인더 전체에 점유하는 비율을 a1, a2……ai로 하고, j종류의 바인더를 포함하는 고온 제거 그룹의 각 바인더의 유기 바인더 전체에 점유하는 비율을 b1, b2……, bj로 하고, (∑ai+∑bj=1), 저온 제거 그룹에 속하는 각 바인더 단체의 불황성 가스 대기압 가열 감량 테스트(TG)에 있어서, 어느 온도 T에 있어서의 감량율을 xT1, xT2……, xTi로 하고, 고온 제거 그룹에서 속하는 각 바인더 단체의 불황성 가스 대기압 가열 감량 테스트에있어서 어느 온도T에 있어서의 감량율을 yT1, yT2……,yTj로할 때, 상기 유기 바인더중의 각 바인더의 조성은 ∑(ai×xTi)=0.3이 되는 온도 T에 있어서 ∑(bj×yTi)0.05 ∑bj0.1이라는 조건을 만족하도록 선택된 것을 특징으로 하는 초경합금 또는 서멧 합금의 제조 방법.The method of claim 1, wherein the organic binder comprises a plurality of binders divided into groups that can be removed at a low temperature and a group that is removed at a high temperature, the entire organic binder of each binder of the low-temperature removal group including i type of binder Occupy a 1 , a 2 . … as ai, and the proportion occupying the total organic binder in the binder of each of the high-temperature removal group including j types of binders b 1, b 2 ... … , bj and (∑ai + ∑bj = 1), in the inert gas atmospheric pressure heating loss test (TG) of each binder member belonging to the low-temperature removal group, the loss ratio at a certain temperature T is xT 1 , xT 2 … … , xTi, and the loss ratio at a certain temperature T is determined in yT 1 , yT 2 ... … When yTj is used, the composition of each binder in the organic binder is ∑ (bj × yTi) at a temperature T where Σ (ai × xTi) = 0.3. 0.05 ∑bj Cemented carbide or cermet alloy, characterized in that selected to satisfy the condition of 0.1. 제2항에 있어서, 상기 제1재거 공정으로부터 상기 제2제거 공정으로 이행하는 온도 T는 ∑ai×xTi＞0.05인 조건을 만족하도록 선택된 것을 특징으로 하는 초경합금 도는 서멧 합금의 제조 방법.The method of claim 2, wherein the temperature T transitioning from the first removal process to the second removal process is selected to satisfy a condition of? Ai x x Ti> 0.05. 제2항에 있어서, 상기 저온 제거 그룹은 친수성 극성기를 갖는 융점 80℃이하의 왁스류를 포함하는 것을 특징으로 하는 초경합금 또는 서멧 합금의 제조 방법.The method of claim 2, wherein the low-temperature removal group includes a wax having a melting point of 80 ° C. or less having a hydrophilic polar group. 제3항에 있어서, 상기 저온 제거 그룹은 친수성 극성기를 갖는 융점 80℃이하의 왁스류를 포함하는 것을 특징으로 하는 초경합금 또는 서멧 합금의 제조 방법.The method according to claim 3, wherein the low-temperature removal group includes waxes having a melting point of 80 ° C. or lower having a hydrophilic polar group. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910700490A 1989-09-14 1990-09-12 Method of manufacturing super alloy & cermet alloy KR940009337B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP23884989 1989-09-14
JP238849 1989-09-14
PCT/JP1990/001171 WO1991004119A1 (en) 1989-09-14 1990-09-12 Method of producing cemented carbide or cermet alloy

Publications (2)

Publication Number Publication Date
KR920700819A true KR920700819A (en) 1992-08-10
KR940009337B1 KR940009337B1 (en) 1994-10-07

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Application Number Title Priority Date Filing Date
KR1019910700490A KR940009337B1 (en) 1989-09-14 1990-09-12 Method of manufacturing super alloy & cermet alloy

Country Status (6)

Country Link
EP (1) EP0443048B1 (en)
KR (1) KR940009337B1 (en)
CA (1) CA2041668C (en)
DE (1) DE69015150T2 (en)
TW (1) TW225493B (en)
WO (1) WO1991004119A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778266B1 (en) * 2005-05-17 2007-11-22 산드빅 인터렉츄얼 프로퍼티 에이비 Method of making agglomerated cemented carbide powder mixtures

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5403373A (en) * 1991-05-31 1995-04-04 Sumitomo Electric Industries, Ltd. Hard sintered component and method of manufacturing such a component
WO1997034720A1 (en) * 1996-03-16 1997-09-25 Widia Gmbh Composite material and process for the preparation thereof
SE9603936D0 (en) * 1996-10-25 1996-10-25 Sandvik Ab Method of making cemented carbide by metal injection molding
DE19855422A1 (en) 1998-12-01 2000-06-08 Basf Ag Hard material sintered part with a nickel- and cobalt-free, nitrogen-containing steel as a binder of the hard material phase
SE526194C2 (en) * 2003-08-27 2005-07-26 Seco Tools Ab Method of manufacturing a sintered body
SE533922C2 (en) * 2008-12-18 2011-03-01 Seco Tools Ab Ways to manufacture cemented carbide products
CN104357696B (en) * 2014-12-01 2016-04-27 技锋精密刀具（马鞍山）有限公司 A kind of sintering process of carbide paraffin production technique goods
CN109822089B (en) * 2019-01-18 2022-05-13 株洲金佰利硬质合金有限公司 Forming agent for hard alloy production
CN116023143B (en) * 2021-10-25 2024-02-06 中国科学院上海硅酸盐研究所 Preparation method of silicon carbide ceramic

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JPS51126308A (en) * 1975-04-28 1976-11-04 Shinroku Saito Process for producing a super alloy plate
US4233256A (en) * 1978-12-18 1980-11-11 The Carborundum Company Process for injection molding sinterable carbide ceramic materials
US4305756A (en) * 1980-01-14 1981-12-15 Witec Cayman Patents, Ltd. Method and means for removing binder from a green body
DE3611271A1 (en) * 1986-04-04 1987-10-15 Licentia Gmbh Process for producing metal shaped parts
JPS63183103A (en) * 1987-01-26 1988-07-28 Chugai Ro Kogyo Kaisha Ltd Sintering method for injection molding
JPH07116487B2 (en) * 1988-06-30 1995-12-13 三菱製鋼株式会社 Method for degreasing metal powder injection molded body
JPH0270004A (en) * 1988-09-02 1990-03-08 Mitsubishi Metal Corp Method for degreasing injection molded body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778266B1 (en) * 2005-05-17 2007-11-22 산드빅 인터렉츄얼 프로퍼티 에이비 Method of making agglomerated cemented carbide powder mixtures

Also Published As

Publication number Publication date
WO1991004119A1 (en) 1991-04-04
KR940009337B1 (en) 1994-10-07
TW225493B (en) 1994-06-21
CA2041668C (en) 1999-08-03
EP0443048A1 (en) 1991-08-28
DE69015150T2 (en) 1995-05-04
CA2041668A1 (en) 1991-03-15
DE69015150D1 (en) 1995-01-26
EP0443048A4 (en) 1991-10-30
JPH03177506A (en) 1991-08-01
EP0443048B1 (en) 1994-12-14

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