EP0687744A3 - Nitrogen-containing sintered hard alloy - Google Patents

Nitrogen-containing sintered hard alloy Download PDF

Info

Publication number
EP0687744A3
EP0687744A3 EP95107670A EP95107670A EP0687744A3 EP 0687744 A3 EP0687744 A3 EP 0687744A3 EP 95107670 A EP95107670 A EP 95107670A EP 95107670 A EP95107670 A EP 95107670A EP 0687744 A3 EP0687744 A3 EP 0687744A3
Authority
EP
European Patent Office
Prior art keywords
nitrogen
hard alloy
sintered hard
containing sintered
alloy
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
EP95107670A
Other languages
German (de)
French (fr)
Other versions
EP0687744A2 (en
EP0687744B1 (en
Inventor
Keiichi C O Itami Works Tsuda
Kazutaka C O Itami Works Isobe
Akihiko C O Itami Work Ikegaya
Nobuyuki C O Itami Wo 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/en
Priority claimed from JP04929095A external-priority patent/JP3803694B2/en
Application filed by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to EP97115279A priority Critical patent/EP0822265B1/en
Publication of EP0687744A2 publication Critical patent/EP0687744A2/en
Publication of EP0687744A3 publication Critical patent/EP0687744A3/en
Application granted granted Critical
Publication of EP0687744B1 publication Critical patent/EP0687744B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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
    • 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)
EP95107670A 1994-05-19 1995-05-18 Nitrogen-containing sintered hard alloy Expired - Lifetime EP0687744B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97115279A EP0822265B1 (en) 1994-05-19 1995-05-18 Nitrogen-containing sintered hard alloy

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP10558494A JP3648758B2 (en) 1994-05-19 1994-05-19 Nitrogen-containing sintered hard alloy
JP10558494 1994-05-19
JP105584/94 1994-05-19
JP49290/95 1995-02-15
JP4929095 1995-02-15
JP04929095A JP3803694B2 (en) 1995-02-15 1995-02-15 Nitrogen-containing sintered hard alloy

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP97115279A Division EP0822265B1 (en) 1994-05-19 1995-05-18 Nitrogen-containing sintered hard alloy

Publications (3)

Publication Number Publication Date
EP0687744A2 EP0687744A2 (en) 1995-12-20
EP0687744A3 true EP0687744A3 (en) 1996-08-21
EP0687744B1 EP0687744B1 (en) 1999-11-03

Family

ID=26389670

Family Applications (2)

Application Number Title Priority Date Filing Date
EP97115279A Expired - Lifetime EP0822265B1 (en) 1994-05-19 1995-05-18 Nitrogen-containing sintered hard alloy
EP95107670A Expired - Lifetime EP0687744B1 (en) 1994-05-19 1995-05-18 Nitrogen-containing sintered hard alloy

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP97115279A Expired - Lifetime EP0822265B1 (en) 1994-05-19 1995-05-18 Nitrogen-containing sintered hard alloy

Country Status (3)

Country Link
EP (2) EP0822265B1 (en)
KR (1) KR0180522B1 (en)
DE (2) DE69513086T2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19845376C5 (en) * 1998-07-08 2010-05-20 Widia Gmbh Hard metal or cermet body
US6110603A (en) * 1998-07-08 2000-08-29 Widia Gmbh Hard-metal or cermet body, especially for use as a cutting insert
WO2000003047A1 (en) * 1998-07-08 2000-01-20 Widia Gmbh Hard metal or ceramet body and method for producing the same
DE19922057B4 (en) * 1999-05-14 2008-11-27 Widia Gmbh Carbide or cermet body and process for its preparation
WO2005056854A1 (en) 2003-12-15 2005-06-23 Sandvik Intellectual Property Ab Cemented carbide tools for mining and construction applications and method of making the same
ES2301959T3 (en) 2003-12-15 2008-07-01 Sandvik Intellectual Property Ab CEMENTED CARBIDE PLATE AND METHOD FOR MANUFACTURING.
JP5062541B2 (en) * 2011-03-15 2012-10-31 住友電工ハードメタル株式会社 Cutting edge replacement type cutting tool
JP6548071B2 (en) 2014-04-23 2019-07-24 三菱マテリアル株式会社 Surface coated cutting tool exhibiting excellent chipping resistance with hard coating layer
CN104399988B (en) * 2014-12-15 2016-06-15 技锋精密刀具（马鞍山）有限公司 A kind of ultra-thin little circular knife production system of hard alloy
JP6669471B2 (en) * 2015-11-02 2020-03-18 勝義 近藤 Method for producing nitrogen solid solution titanium sintered body
KR101863057B1 (en) * 2015-12-17 2018-06-01 한국야금 주식회사 Insert for cutting tools
CN114277299B (en) * 2021-12-28 2022-10-04 九江金鹭硬质合金有限公司 High-hardness hard alloy lath capable of resisting welding cracking

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277283A (en) * 1977-12-23 1981-07-07 Sumitomo Electric Industries, Ltd. Sintered hard metal and the method for producing the same
US4548786A (en) * 1983-04-28 1985-10-22 General Electric Company Coated carbide cutting tool insert
US4610931A (en) * 1981-03-27 1986-09-09 Kennametal Inc. Preferentially binder enriched cemented carbide bodies and method of manufacture
EP0246211A2 (en) * 1986-05-12 1987-11-19 Santrade Limited Sintered body for chip forming machining
US4778521A (en) * 1986-02-20 1988-10-18 Hitachi Metals, Ltd. Tough cermet and process for producing the same
US4830930A (en) * 1987-01-05 1989-05-16 Toshiba Tungaloy Co., Ltd. Surface-refined sintered alloy body and method for making the same
EP0368336A2 (en) * 1988-11-11 1990-05-16 Mitsubishi Materials Corporation Cermet blade member for cutting-tools and process for producing same
US5106674A (en) * 1988-10-31 1992-04-21 Mitsubishi Materials Corporation Blade member of tungsten-carbide-based cemented carbide for cutting tools and process for producing same
EP0499223A1 (en) * 1991-02-13 1992-08-19 Toshiba Tungaloy Co. Ltd. High toughness cermet and process for preparing the same
EP0515340A2 (en) * 1991-05-24 1992-11-25 Sandvik Aktiebolag Titanium based carbonitride alloy with binder phase enrichment
EP0603143A2 (en) * 1992-12-18 1994-06-22 Sandvik Aktiebolag Cemented carbide with binder phase enriched surface zone
EP0635580A1 (en) * 1993-02-05 1995-01-25 Sumitomo Electric Industries, Ltd. Nitrogen-containing hard sintered alloy

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4277283A (en) * 1977-12-23 1981-07-07 Sumitomo Electric Industries, Ltd. Sintered hard metal and the method for producing the 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
US4778521A (en) * 1986-02-20 1988-10-18 Hitachi Metals, Ltd. Tough cermet and process for producing the same
EP0246211A2 (en) * 1986-05-12 1987-11-19 Santrade Limited Sintered body for chip forming machining
US4830930A (en) * 1987-01-05 1989-05-16 Toshiba Tungaloy Co., Ltd. Surface-refined sintered alloy body and method for making the same
US5106674A (en) * 1988-10-31 1992-04-21 Mitsubishi Materials Corporation Blade member of tungsten-carbide-based cemented carbide for cutting tools and process for producing same
EP0368336A2 (en) * 1988-11-11 1990-05-16 Mitsubishi Materials Corporation Cermet blade member for cutting-tools and process for producing same
EP0499223A1 (en) * 1991-02-13 1992-08-19 Toshiba Tungaloy Co. Ltd. High toughness cermet and process for preparing the same
EP0515340A2 (en) * 1991-05-24 1992-11-25 Sandvik Aktiebolag Titanium based carbonitride alloy with binder phase enrichment
EP0603143A2 (en) * 1992-12-18 1994-06-22 Sandvik Aktiebolag Cemented carbide with binder phase enriched surface zone
EP0635580A1 (en) * 1993-02-05 1995-01-25 Sumitomo Electric Industries, Ltd. Nitrogen-containing hard sintered alloy

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SUZUKI H., HAYASHI K, AND TANIGUCHI Y.: "The beta-free layer formed near the surface of vacuum-sintered WC-beta-Co alloys containing nitrogen", TRANSACTIONS OF THE JAPAN INSTITUTE OF METALS, vol. 22, no. 11, 1981, pages 758 - 764, XP002004622 *

Also Published As

Publication number Publication date
KR0180522B1 (en) 1999-02-18
DE69523342D1 (en) 2001-11-22
EP0687744A2 (en) 1995-12-20
EP0822265B1 (en) 2001-10-17
EP0822265A2 (en) 1998-02-04
DE69523342T2 (en) 2002-06-27
DE69513086D1 (en) 1999-12-09
EP0822265A3 (en) 1998-04-15
KR950032671A (en) 1995-12-22
EP0687744B1 (en) 1999-11-03
DE69513086T2 (en) 2000-07-13

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