EP0822265A2 - Alliage dur fritté contenant de l'azote - Google Patents

Alliage dur fritté contenant de l'azote Download PDF

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Publication number
EP0822265A2
EP0822265A2 EP97115279A EP97115279A EP0822265A2 EP 0822265 A2 EP0822265 A2 EP 0822265A2 EP 97115279 A EP97115279 A EP 97115279A EP 97115279 A EP97115279 A EP 97115279A EP 0822265 A2 EP0822265 A2 EP 0822265A2
Authority
EP
European Patent Office
Prior art keywords
percent
volume
layer
nitrogen
binder phase
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97115279A
Other languages
German (de)
English (en)
Other versions
EP0822265A3 (fr
EP0822265B1 (fr
Inventor
Keiichi Tsuda
Kazutaka Isobe
Akihiko Ikegaya
Nobuyuki Kitagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP10558494A external-priority patent/JP3648758B2/ja
Priority claimed from JP04929095A external-priority patent/JP3803694B2/ja
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of EP0822265A2 publication Critical patent/EP0822265A2/fr
Publication of EP0822265A3 publication Critical patent/EP0822265A3/fr
Application granted granted Critical
Publication of EP0822265B1 publication Critical patent/EP0822265B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • 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
    • 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
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • B22F3/101—Changing atmosphere
    • 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
    • B22F3/1028—Controlled cooling
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/04—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Powder Metallurgy (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
EP97115279A 1994-05-19 1995-05-18 Alliage dur fritté contenant de l'azote Expired - Lifetime EP0822265B1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP10558494 1994-05-19
JP10558494A JP3648758B2 (ja) 1994-05-19 1994-05-19 窒素含有焼結硬質合金
JP105584/94 1994-05-19
JP49290/95 1995-02-15
JP04929095A JP3803694B2 (ja) 1995-02-15 1995-02-15 窒素含有焼結硬質合金
JP4929095 1995-02-15
EP95107670A EP0687744B1 (fr) 1994-05-19 1995-05-18 Alliage dur fritté contenant de l'azote

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP95107670A Division EP0687744B1 (fr) 1994-05-19 1995-05-18 Alliage dur fritté contenant de l'azote

Publications (3)

Publication Number Publication Date
EP0822265A2 true EP0822265A2 (fr) 1998-02-04
EP0822265A3 EP0822265A3 (fr) 1998-04-15
EP0822265B1 EP0822265B1 (fr) 2001-10-17

Family

ID=26389670

Family Applications (2)

Application Number Title Priority Date Filing Date
EP95107670A Expired - Lifetime EP0687744B1 (fr) 1994-05-19 1995-05-18 Alliage dur fritté contenant de l'azote
EP97115279A Expired - Lifetime EP0822265B1 (fr) 1994-05-19 1995-05-18 Alliage dur fritté contenant de l'azote

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP95107670A Expired - Lifetime EP0687744B1 (fr) 1994-05-19 1995-05-18 Alliage dur fritté contenant de l'azote

Country Status (3)

Country Link
EP (2) EP0687744B1 (fr)
KR (1) KR0180522B1 (fr)
DE (2) DE69513086T2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000003047A1 (fr) * 1998-07-08 2000-01-20 Widia Gmbh Corps en metal dur ou en cermet, et son procede de production
DE19922057B4 (de) * 1999-05-14 2008-11-27 Widia Gmbh Hartmetall- oder Cermet-Körper und Verfahren zu seiner Herstellung
CN104399988A (zh) * 2014-12-15 2015-03-11 技锋精密刀具（马鞍山）有限公司 一种硬质合金超薄小圆刀片生产系统

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19845376C5 (de) * 1998-07-08 2010-05-20 Widia Gmbh Hartmetall- oder Cermet-Körper
US6110603A (en) * 1998-07-08 2000-08-29 Widia Gmbh Hard-metal or cermet body, especially for use as a cutting insert
KR101387183B1 (ko) 2003-12-15 2014-04-21 산드빅 인터렉츄얼 프로퍼티 에이비 채광 및 건설용 초경합금 공구와 그의 제조 방법
ATE389737T1 (de) 2003-12-15 2008-04-15 Sandvik Intellectual Property Sinterkarbideinsatz und method zu dessen herstellung.
JP5062541B2 (ja) * 2011-03-15 2012-10-31 住友電工ハードメタル株式会社 刃先交換型切削工具
JP6548071B2 (ja) * 2014-04-23 2019-07-24 三菱マテリアル株式会社 硬質被覆層がすぐれた耐チッピング性を発揮する表面被覆切削工具
JP6669471B2 (ja) * 2015-11-02 2020-03-18 勝義 近藤 窒素固溶チタン焼結体の製造方法
KR101863057B1 (ko) * 2015-12-17 2018-06-01 한국야금 주식회사 절삭공구용 인써트
CN114277299B (zh) * 2021-12-28 2022-10-04 九江金鹭硬质合金有限公司 一种抗焊接开裂的高硬度硬质合金板条

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5487719A (en) * 1977-12-23 1979-07-12 Sumitomo Electric Industries Super hard alloy and method of making same
US4610931A (en) * 1981-03-27 1986-09-09 Kennametal Inc. Preferentially binder enriched cemented carbide bodies and method of manufacture
US4548786A (en) * 1983-04-28 1985-10-22 General Electric Company Coated carbide cutting tool insert
JPH0617531B2 (ja) * 1986-02-20 1994-03-09 日立金属株式会社 強靭性サ−メツト
SE453202B (sv) * 1986-05-12 1988-01-18 Sandvik Ab Sinterkropp for skerande bearbetning
JPS63169356A (ja) * 1987-01-05 1988-07-13 Toshiba Tungaloy Co Ltd 表面調質焼結合金及びその製造方法
JP2684721B2 (ja) * 1988-10-31 1997-12-03 三菱マテリアル株式会社 表面被覆炭化タングステン基超硬合金製切削工具およびその製造法
JPH02131803A (ja) * 1988-11-11 1990-05-21 Mitsubishi Metal Corp 耐欠損性のすぐれた耐摩耗性サーメット製切削工具
JPH0726173B2 (ja) * 1991-02-13 1995-03-22 東芝タンガロイ株式会社 高靭性サーメット及びその製造方法
SE9101590D0 (sv) * 1991-05-24 1991-05-24 Sandvik Ab Sintrad karbonitridlegering med bindefasanrikning
SE505425C2 (sv) * 1992-12-18 1997-08-25 Sandvik Ab Hårdmetall med bindefasanrikad ytzon
EP0635580A4 (fr) * 1993-02-05 1996-02-07 Sumitomo Electric Industries Alliage dur fritte renfermant de l'azote.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000003047A1 (fr) * 1998-07-08 2000-01-20 Widia Gmbh Corps en metal dur ou en cermet, et son procede de production
US6506226B1 (en) 1998-07-08 2003-01-14 Widia Gmbh Hard metal or cermet body and method for producing the same
DE19922057B4 (de) * 1999-05-14 2008-11-27 Widia Gmbh Hartmetall- oder Cermet-Körper und Verfahren zu seiner Herstellung
CN104399988A (zh) * 2014-12-15 2015-03-11 技锋精密刀具（马鞍山）有限公司 一种硬质合金超薄小圆刀片生产系统

Also Published As

Publication number Publication date
EP0687744B1 (fr) 1999-11-03
DE69513086D1 (de) 1999-12-09
EP0687744A2 (fr) 1995-12-20
EP0687744A3 (fr) 1996-08-21
KR0180522B1 (ko) 1999-02-18
EP0822265A3 (fr) 1998-04-15
KR950032671A (ko) 1995-12-22
EP0822265B1 (fr) 2001-10-17
DE69523342T2 (de) 2002-06-27
DE69513086T2 (de) 2000-07-13
DE69523342D1 (de) 2001-11-22

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