KR940013677A - 결합상 농축 표면영역을 가진 초경합금 - Google Patents

결합상 농축 표면영역을 가진 초경합금 Download PDF

Info

Publication number
KR940013677A
KR940013677A KR1019930027385A KR930027385A KR940013677A KR 940013677 A KR940013677 A KR 940013677A KR 1019930027385 A KR1019930027385 A KR 1019930027385A KR 930027385 A KR930027385 A KR 930027385A KR 940013677 A KR940013677 A KR 940013677A
Authority
KR
South Korea
Prior art keywords
phase
cemented carbide
dissolution
less
cubic
Prior art date
Application number
KR1019930027385A
Other languages
English (en)
Other versions
KR100261521B1 (ko
Inventor
구스타프손 페르
악케손 레이프
외스트룬드 악케
Original Assignee
레나르트 타퀴스트
샌드빅 에이비
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
Application filed by 레나르트 타퀴스트, 샌드빅 에이비 filed Critical 레나르트 타퀴스트
Publication of KR940013677A publication Critical patent/KR940013677A/ko
Application granted granted Critical
Publication of KR100261521B1 publication Critical patent/KR100261521B1/ko

Links

Classifications

    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/16—Metallic particles coated with a non-metal
    • 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
    • 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
    • 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
    • B22F2201/00—Treatment under specific atmosphere
    • B22F2201/30—Carburising 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
    • B22F2207/00—Aspects of the compositions, gradients
    • B22F2207/01—Composition gradients
    • B22F2207/03—Composition gradients of the metallic binder phase in cermets
    • 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
    • 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
    • Y10T428/12021—All metal or with adjacent metals having metal particles having composition or density gradient or differential porosity
    • 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.]
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Powder Metallurgy (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Ceramic Products (AREA)

Abstract

본 발명은 새로운 결합성 농축방법에 관계한다. 이 방법은 성층을 만드는 요건과 함께 큐빅상 용해에 따른 결합상 농축을 수반하며 그 결과 특별한 구조를 얻을 수 있다. 새로운 구조는 공지것과 비교할 때 더 깊은 성층화된 층을 얻고 또한 결합상 최대 농축량을 줄일 수 있는 것을 특징으로 한다. 성층 및 큐빅상 용해의 조화성은 절삭공구용 탄화 텅스텐 기초 초경합금의 특성을 최적화 하는 가능성도 제공한다.
새로운 방법은 두가지 변수를 조합한 것이다. 큐빅상 용해는 표면에서 용해구역에 밀접하고 그 아래까지 걸쳐진 영역으로 최대량의 성층 결합상을 가진 영역을 이동시킨다. 용해깊이, 간격평형성과 냉각속도를 조절하여, 초경합금이 강인성과 가소성 변형내성의 복합적 특성을 갖게한다.

Description

결합상 농축 표면영역을 가진 초경합금
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 결합상 농축 표면영역의 구조를 1200 배율로 보여주고,
제2도는 본 발명에 따른 결합상 농축 표면영역의 Ti, Co 또한 W의 분포를 보여준다.

Claims (5)

  1. 결합상속에 WC와 큐빅상을 함유하는 것으로서 결합상 농축 표면영역은 큐빅상이 없는 외부와 또한 큐비강 및 성층 결합상층을 함유한 내부를 포함하는 것을 특징으로 하는 결합상 농축표면영역을 갖춘 초경합금.
  2. 제1항에 있어서, 표면영역은 75㎛ 이하로서 20 내지 50㎛이고 그중 외부는 10㎛ 이상 및 25㎛이하이고 내부는 l0㎛ 이상 및 30㎛ 이하의 두께를 갖는 것을 특징으로 하는 초경합금.
  3. 전술한 항중 어느 한항에 있어서, 내부의 결합상 함량은 정상 결합상 함량의 1.5 내지 4배 특히 2-3배이고 텅스텐 함량은 정상함량의 최소 0.95 이하인 것을 특징으로 하는 초경합금.
  4. 불활성 대기나 진공상태에서 15 내지 180분 동안 1380-1520℃ 온도로 최적량의 탄소를 사용하여 질소함유 예비소결체 또는 그린시이트를 소결하고 응고구역에서 20-100℃/h 특히 40-75℃/h 속도로 서냉하여1300-1220℃ 특히 1290-1250℃까지 냉각시키는 것을 특징으로 하는 결합상 농축 초경합금 제조방법.
  5. CH4/H2 또는 C02/CO 혼합물을 함유하는 탄화 대기 중에서 30-180분간 1380 내지 1520℃ 온도로 반공융성 물체를 소결한후 같은 대기에서 또는 질소 분위기나 진공상태에서 서냉하는 것을 특징으로 하는 결합상 농축 초경합금 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930027385A 1992-12-18 1993-12-13 결합상 농축 표면영역을 가진 초경합금 KR100261521B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9203851A SE505425C2 (sv) 1992-12-18 1992-12-18 Hårdmetall med bindefasanrikad ytzon
SE9203851-2 1992-12-18

Publications (2)

Publication Number Publication Date
KR940013677A true KR940013677A (ko) 1994-07-15
KR100261521B1 KR100261521B1 (ko) 2000-07-15

Family

ID=20388197

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930027385A KR100261521B1 (ko) 1992-12-18 1993-12-13 결합상 농축 표면영역을 가진 초경합금

Country Status (10)

Country Link
US (2) US5451469A (ko)
EP (1) EP0603143B1 (ko)
JP (1) JPH06228700A (ko)
KR (1) KR100261521B1 (ko)
CN (1) CN1057570C (ko)
AT (1) ATE189707T1 (ko)
BR (1) BR9305109A (ko)
DE (1) DE69327838T2 (ko)
RU (1) RU2116161C1 (ko)
SE (1) SE505425C2 (ko)

Families Citing this family (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494635A (en) * 1993-05-20 1996-02-27 Valenite Inc. Stratified enriched zones formed by the gas phase carburization and the slow cooling of cemented carbide substrates, and methods of manufacture
US6057046A (en) * 1994-05-19 2000-05-02 Sumitomo Electric Industries, Ltd. Nitrogen-containing sintered alloy containing a hard phase
DE69513086T2 (de) * 1994-05-19 2000-07-13 Sumitomo Electric Industries, Ltd. Stickstoffenthaltende hartgesinterte Legierung
SE514283C2 (sv) * 1995-04-12 2001-02-05 Sandvik Ab Belagt hårmetallskär med bindefasadanrikad ytzon samt sätt för dess tillverkning
EP0874919B1 (en) * 1995-11-30 2002-02-13 Sandvik Aktiebolag Coated turning insert and method of making it
SE9504304D0 (sv) * 1995-11-30 1995-11-30 Sandvik Ab Coated milling insert
SE510778C2 (sv) * 1996-07-11 1999-06-21 Sandvik Ab Belagt skär för finfräsning av grått gjutjärn
US5976707A (en) * 1996-09-26 1999-11-02 Kennametal Inc. Cutting insert and method of making the same
US5955186A (en) * 1996-10-15 1999-09-21 Kennametal Inc. Coated cutting insert with A C porosity substrate having non-stratified surface binder enrichment
EP0932460B1 (en) * 1996-10-21 2003-08-06 Kennametal Inc. Method and apparatus for a powder metallurgical process
US5752155A (en) * 1996-10-21 1998-05-12 Kennametal Inc. Green honed cutting insert and method of making the same
US6214247B1 (en) * 1998-06-10 2001-04-10 Tdy Industries, Inc. Substrate treatment method
DE19845376C5 (de) * 1998-07-08 2010-05-20 Widia Gmbh Hartmetall- oder Cermet-Körper
EP1095168B1 (de) 1998-07-08 2002-07-24 Widia GmbH Hartmetall- oder cermet-körper und verfahren zu seiner herstellung
US6110603A (en) * 1998-07-08 2000-08-29 Widia Gmbh Hard-metal or cermet body, especially for use as a cutting insert
SE9802488D0 (sv) * 1998-07-09 1998-07-09 Sandvik Ab Coated grooving or parting insert
SE9802487D0 (sv) 1998-07-09 1998-07-09 Sandvik Ab Cemented carbide insert with binder phase enriched surface zone
DE19907749A1 (de) 1999-02-23 2000-08-24 Kennametal Inc Gesinterter Hartmetallkörper und dessen Verwendung
SE519828C2 (sv) 1999-04-08 2003-04-15 Sandvik Ab Skär av en hårdmetallkropp med en bindefasanrikad ytzon och en beläggning och sätt att framställa denna
SE9901244D0 (sv) 1999-04-08 1999-04-08 Sandvik Ab Cemented carbide insert
US6217992B1 (en) 1999-05-21 2001-04-17 Kennametal Pc Inc. Coated cutting insert with a C porosity substrate having non-stratified surface binder enrichment
EP1266043B8 (en) * 2000-03-24 2007-06-13 Kennametal Inc. Cemented carbide tool and method of making
US6638474B2 (en) 2000-03-24 2003-10-28 Kennametal Inc. method of making cemented carbide tool
JP4132004B2 (ja) * 2000-10-31 2008-08-13 京セラ株式会社 超硬合金部材の製造方法
SE520253C2 (sv) 2000-12-19 2003-06-17 Sandvik Ab Belagt hårdmetallskär
SE0101241D0 (sv) * 2001-04-05 2001-04-05 Sandvik Ab Tool for turning of titanium alloys
US6589602B2 (en) * 2001-04-17 2003-07-08 Toshiba Tungaloy Co., Ltd. Highly adhesive surface-coated cemented carbide and method for producing the same
SE526604C2 (sv) 2002-03-22 2005-10-18 Seco Tools Ab Belagt skärverktyg för svarvning i stål
JP4313587B2 (ja) * 2003-03-03 2009-08-12 株式会社タンガロイ 超硬合金及び被覆超硬合金部材並びにそれらの製造方法
JP2005248309A (ja) * 2004-03-08 2005-09-15 Tungaloy Corp 超硬合金および被覆超硬合金
US7581906B2 (en) * 2004-05-19 2009-09-01 Tdy Industries, Inc. Al2O3 ceramic tools with diffusion bonding enhanced layer
SE529302C2 (sv) * 2005-04-20 2007-06-26 Sandvik Intellectual Property Sätt att tillverka en belagd submikron hårdmetall med bindefasanriktad ytzon
AT501801B1 (de) * 2005-05-13 2007-08-15 Boehlerit Gmbh & Co Kg Hartmetallkörper mit zähem oberflächenbereich
SE529590C2 (sv) * 2005-06-27 2007-09-25 Sandvik Intellectual Property Finkorniga sintrade hårdmetaller innehållande en gradientzon
SE0602815L (sv) * 2006-12-27 2008-06-28 Sandvik Intellectual Property Belagt hårdmetallskär speciellt användbart för tunga grovbearbetningsoperationer
SE531670C2 (sv) * 2007-02-01 2009-06-30 Seco Tools Ab Texturerat alfa-aluminiumoxidbelagt skär för metallbearbetning
SE530850C2 (sv) 2007-03-12 2008-09-30 Sandvik Intellectual Property Sätt att tillverka ett keramiskt skär och ett keramiskt skär
SE0700602L (sv) * 2007-03-13 2008-09-14 Sandvik Intellectual Property Hårdmetallskär och metod att tillverka detsamma
EP2225061B1 (en) * 2007-12-21 2019-04-24 Sandvik Intellectual Property AB Method of making cutting tools
CN101921975A (zh) * 2010-05-20 2010-12-22 长沙华信合金机电有限公司 一种消除硬质合金中非化合碳相的生产工艺
JP5978671B2 (ja) * 2012-03-15 2016-08-24 住友電気工業株式会社 刃先交換型切削チップ
CN102672184B (zh) * 2012-06-05 2015-08-12 赣县世瑞新材料有限公司 矿用纳米稀土表面强化梯度硬质合金复合球齿及其制备方法
GB201302345D0 (en) * 2013-02-11 2013-03-27 Element Six Gmbh Cemented carbide material and method of making same
CN104249153B (zh) * 2013-06-25 2016-04-20 株洲钻石切削刀具股份有限公司 多气氛控制下的硬质合金烧结方法及烧结产品
EP2821165A1 (en) * 2013-07-03 2015-01-07 Sandvik Intellectual Property AB A sintered cermet or cemented carbide body and method of producing it
EP3198045A1 (en) 2014-09-26 2017-08-02 Diamond Innovations, Inc. Cutters comprising polycrystalline diamond attached to a hard metal carbide substrate
KR101675649B1 (ko) * 2014-12-24 2016-11-11 한국야금 주식회사 절삭공구
CN104525952A (zh) * 2015-01-22 2015-04-22 四川科力特硬质合金股份有限公司 一种可适应常规机械加工的硬质合金压坯的制备方法
EP3289112B1 (en) * 2015-04-30 2021-01-06 Sandvik Intellectual Property AB Cutting tool
WO2017106442A1 (en) 2015-12-16 2017-06-22 Diamond Innovations, Inc. Polycrystalline diamond cutters having non-catalytic material addition and methods of making the same
US10287824B2 (en) 2016-03-04 2019-05-14 Baker Hughes Incorporated Methods of forming polycrystalline diamond
US11396688B2 (en) 2017-05-12 2022-07-26 Baker Hughes Holdings Llc Cutting elements, and related structures and earth-boring tools
US11292750B2 (en) 2017-05-12 2022-04-05 Baker Hughes Holdings Llc Cutting elements and structures
US11536091B2 (en) 2018-05-30 2022-12-27 Baker Hughes Holding LLC Cutting elements, and related earth-boring tools and methods
CN110284038B (zh) * 2019-04-26 2020-07-28 中南大学 一种具有强(111)织构的pvd涂层及其制备方法
CN110408829B (zh) * 2019-08-26 2021-07-16 广东技术师范大学 一种梯度多层涂层与梯度硬质合金相结合的刀具及其制备方法
CN114941097B (zh) * 2022-04-27 2023-02-17 山东大学 一种脱氮工艺制备表面富立方相梯度结构硬质合金的方法

Family Cites Families (10)

* 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
JPS6134103A (ja) * 1984-07-26 1986-02-18 Hitachi Metals Ltd 切削用コ−テイングチツプの製造方法
US4579713A (en) * 1985-04-25 1986-04-01 Ultra-Temp Corporation Method for carbon control of carbide preforms
US4649084A (en) * 1985-05-06 1987-03-10 General Electric Company Process for adhering an oxide coating on a cobalt-enriched zone, and articles made from said process
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
CA1319497C (en) * 1988-04-12 1993-06-29 Minoru Nakano Surface-coated cemented carbide and a process for the production of the same
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
US5310605A (en) * 1992-08-25 1994-05-10 Valenite Inc. Surface-toughened cemented carbide bodies and method of manufacture
JP2700216B2 (ja) * 1992-10-26 1998-01-19 株式会社エース電研 パチンコ機

Also Published As

Publication number Publication date
CN1089532A (zh) 1994-07-20
RU2116161C1 (ru) 1998-07-27
EP0603143A2 (en) 1994-06-22
DE69327838D1 (de) 2000-03-16
ATE189707T1 (de) 2000-02-15
CN1057570C (zh) 2000-10-18
BR9305109A (pt) 1994-07-05
EP0603143B1 (en) 2000-02-09
KR100261521B1 (ko) 2000-07-15
DE69327838T2 (de) 2000-10-12
SE9203851L (sv) 1994-06-19
US5451469A (en) 1995-09-19
EP0603143A3 (en) 1995-09-27
JPH06228700A (ja) 1994-08-16
SE9203851D0 (sv) 1992-12-18
US5649279A (en) 1997-07-15
SE505425C2 (sv) 1997-08-25

Similar Documents

Publication Publication Date Title
KR940013677A (ko) 결합상 농축 표면영역을 가진 초경합금
US4497874A (en) Coated carbide cutting tool insert
CA1278173C (en) Process for adhering an oxide coating on a cobalt- enriched zone, and articles made from said process
KR900011686A (ko) 자력 지지 복합체 제조방법
RU93056637A (ru) Металлокерамический сплав с поверхностной зоной, обогащенной связующей фазой и способы его получения
JP3934160B2 (ja) 結合相富化した表面領域を有する超硬合金の製造方法
US3564683A (en) Cutting of deposit forming steel and cutting tools for such steels
US4276096A (en) Method for producing hard metal bodies of increased wear resistance
RU95113877A (ru) Спекаемая порошковая смесь для производства материала в виде связанных карбидов на вольфрамовой основе
ATE61419T1 (de) Gesinterter formkoerper zur spanabhebenden bearbeitung.
KR890009808A (ko) 자체 지지체 제조방법 및 복합물
US5283030A (en) Coated cemented carbides and processes for the production of same
KR960007066A (ko) 텅스텐계 초경합금 분말 혼합물 및 그로부터 제조된 초경합금 제품
DK118489A (da) Borbehandlet haardmetal
TR26359A (tr) SERAMIK BILESIK YAPILARIN üRETILMESI VE ÖZELLIK- LERININ DEGISTIRILMESI YÖNTEMI
ATE81647T1 (de) Herstellung von keramischen und metallkeramischen fuellstoff enthaltenden verbundkoerpern.
SE9701859D0 (sv) Titanium based carbonitride alloy with nitrogen enriched surface zone
EP0368517A3 (en) A method of producing silicon carbide-based bodies
KR900011680A (ko) 자체지지성 세라믹 복합체 제조방법
KR900011683A (ko) 제2물체에 세라믹 복합체를 접합시키는 방법과 그 방법으로 제조된 제품
KR840001454A (ko) 표면반응층을 가지는 절삭용 서멧트팊 및 그 제조방법
JPS5743982A (en) Coating super hardness alloy component
JPS5322106A (en) Super heat resisting cemented carbide alloy
JPS58151449A (ja) 超硬合金およびその製造法
JPS6468441A (en) Cermet alloy

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20130405

Year of fee payment: 14

EXPY Expiration of term