SE9203851D0 - Cemented carbide with binder phase enriched surface zone - Google Patents

Cemented carbide with binder phase enriched surface zone

Info

Publication number
SE9203851D0
SE9203851D0 SE9203851A SE9203851A SE9203851D0 SE 9203851 D0 SE9203851 D0 SE 9203851D0 SE 9203851 A SE9203851 A SE 9203851A SE 9203851 A SE9203851 A SE 9203851A SE 9203851 D0 SE9203851 D0 SE 9203851D0
Authority
SE
Sweden
Prior art keywords
dissolution
binder phase
new
stratified
enrichment
Prior art date
Application number
SE9203851A
Other languages
English (en)
Other versions
SE9203851L (sv
SE505425C2 (sv
Inventor
P Gustafson
L Aakesson
Aa Oestlund
Original Assignee
Sandvik Ab
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
Publication of SE9203851D0 publication Critical patent/SE9203851D0/sv
Priority to SE9203851A priority Critical patent/SE505425C2/sv
Application filed by Sandvik Ab filed Critical Sandvik Ab
Priority to US08/159,257 priority patent/US5451469A/en
Priority to AT93850229T priority patent/ATE189707T1/de
Priority to EP93850229A priority patent/EP0603143B1/en
Priority to DE69327838T priority patent/DE69327838T2/de
Priority to IL10797693A priority patent/IL107976A/en
Priority to KR1019930027385A priority patent/KR100261521B1/ko
Priority to RU93056637/02A priority patent/RU2116161C1/ru
Priority to BR9305109A priority patent/BR9305109A/pt
Priority to CN93121013A priority patent/CN1057570C/zh
Priority to JP5344568A priority patent/JPH06228700A/ja
Publication of SE9203851L publication Critical patent/SE9203851L/sv
Priority to US08/343,921 priority patent/US5649279A/en
Publication of SE505425C2 publication Critical patent/SE505425C2/sv

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)
SE9203851A 1992-12-18 1992-12-18 Hårdmetall med bindefasanrikad ytzon SE505425C2 (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE9203851A SE505425C2 (sv) 1992-12-18 1992-12-18 Hårdmetall med bindefasanrikad ytzon
US08/159,257 US5451469A (en) 1992-12-18 1993-11-30 Cemented carbide with binder phase enriched surface zone
AT93850229T ATE189707T1 (de) 1992-12-18 1993-12-08 Carbid-metall-verbundstoff mit einer in der oberfläche angereicheten binderphase
EP93850229A EP0603143B1 (en) 1992-12-18 1993-12-08 Cemented carbide with binder phase enriched surface zone
DE69327838T DE69327838T2 (de) 1992-12-18 1993-12-08 Carbid-Metall-Verbundstoff mit einer in der Oberfläche angereicheten Binderphase
IL10797693A IL107976A (en) 1992-12-18 1993-12-10 Glued carbide with the help of a surface enriched in the phase of a binder and a method for its production
KR1019930027385A KR100261521B1 (ko) 1992-12-18 1993-12-13 결합상 농축 표면영역을 가진 초경합금
RU93056637/02A RU2116161C1 (ru) 1992-12-18 1993-12-17 Металлокерамический сплав с поверхностной зоной, обогащенной связующей фазой, и способы его получения
BR9305109A BR9305109A (pt) 1992-12-18 1993-12-17 Carboneto cementado com zona da superfície enriquecida com fase ligante e processo para sua produção
CN93121013A CN1057570C (zh) 1992-12-18 1993-12-18 具有粘结剂相浓集的表面区的硬质合金及其制备方法
JP5344568A JPH06228700A (ja) 1992-12-18 1993-12-20 セメンテッドカーバイド
US08/343,921 US5649279A (en) 1992-12-18 1994-11-17 Cemented carbide with binder phase enriched surface zone

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE9203851D0 true SE9203851D0 (sv) 1992-12-18
SE9203851L SE9203851L (sv) 1994-06-19
SE505425C2 SE505425C2 (sv) 1997-08-25

Family

ID=20388197

Family Applications (1)

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

Country Status (10)

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

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
EP0822265B1 (en) * 1994-05-19 2001-10-17 Sumitomo Electric Industries, Ltd. Nitrogen-containing sintered hard alloy
SE514283C2 (sv) * 1995-04-12 2001-02-05 Sandvik Ab Belagt hårmetallskär med bindefasadanrikad ytzon samt sätt för dess tillverkning
SE9504304D0 (sv) * 1995-11-30 1995-11-30 Sandvik Ab Coated milling insert
USRE39999E1 (en) 1995-11-30 2008-01-08 Sandvik Intellectual Property Ab Coated turning insert and method of making it
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
ES2136043T3 (es) * 1996-10-21 2004-04-16 Kennametal Inc. Procedimiento y aparato para un proceso de pulvimetalurgica.
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
ATE221140T1 (de) 1998-07-08 2002-08-15 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
US6638474B2 (en) 2000-03-24 2003-10-28 Kennametal Inc. method of making cemented carbide tool
CN100378239C (zh) * 2000-03-24 2008-04-02 钴碳化钨硬质合金公司 硬质合金工具及其制备方法
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
WO2009082349A1 (en) * 2007-12-21 2009-07-02 Sandvik Intellectual Property Ab Sintering furnace and 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
US10556832B2 (en) 2014-09-26 2020-02-11 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
US10337256B2 (en) 2015-12-16 2019-07-02 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
US11292750B2 (en) 2017-05-12 2022-04-05 Baker Hughes Holdings Llc Cutting elements and structures
US11396688B2 (en) 2017-05-12 2022-07-26 Baker Hughes Holdings Llc Cutting elements, and related structures and earth-boring tools
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
BR9305109A (pt) 1994-07-05
SE9203851L (sv) 1994-06-19
EP0603143A2 (en) 1994-06-22
CN1057570C (zh) 2000-10-18
DE69327838D1 (de) 2000-03-16
DE69327838T2 (de) 2000-10-12
CN1089532A (zh) 1994-07-20
JPH06228700A (ja) 1994-08-16
EP0603143A3 (en) 1995-09-27
KR100261521B1 (ko) 2000-07-15
US5451469A (en) 1995-09-19
US5649279A (en) 1997-07-15
SE505425C2 (sv) 1997-08-25
RU2116161C1 (ru) 1998-07-27
KR940013677A (ko) 1994-07-15
EP0603143B1 (en) 2000-02-09
ATE189707T1 (de) 2000-02-15

Similar Documents

Publication Publication Date Title
SE9203851D0 (sv) Cemented carbide with binder phase enriched surface zone
RU93056637A (ru) Металлокерамический сплав с поверхностной зоной, обогащенной связующей фазой и способы его получения
SE9003251D0 (sv) Improved tools for rock drilling, metal cutting and wear part applications
DE69410441T3 (de) Langbohrer mit titancarbonitriden Schneidaufsätzen
ATE323786T1 (de) Zementiertes karbid mit binderphase angereicherter oberflächenzone
ATE71984T1 (de) Carbid-metall-verbundstoff mit bindemetallgradient und verfahren zu seiner herstellung.
US3564683A (en) Cutting of deposit forming steel and cutting tools for such steels
AU2109901A (en) Frictionally welded thermoplastic articles having improved strength
RU95113877A (ru) Спекаемая порошковая смесь для производства материала в виде связанных карбидов на вольфрамовой основе
KR960007066A (ko) 텅스텐계 초경합금 분말 혼합물 및 그로부터 제조된 초경합금 제품
ATE156239T1 (de) Zementierter karbidkörper mit grösserer verschleissfestigkeit
BG84934A (bg) Метод за получаване на боридни керамични изделия
DK118489D0 (da) Borbehandlet haardmetal
IL155936A0 (en) Coated cemented carbide cutting tool insert
SE9701859D0 (sv) Titanium based carbonitride alloy with nitrogen enriched surface zone
DE69204107D1 (de) Mehrschichtiges Schleifwerkzeug mit Diamanten.
NO175850C (no) Framgangsmåte for framstilling av et komposittprodukt med metallmatrise
FI820391L (fi) Elektroerosion med traodelektrod
ATE108216T1 (de) Metallgebundene carbonitrid-legierung mit verbesserter zähigkeit.
EP0212524A3 (en) Hard metal alloy with surface region enriched with tantalum, niobium, vanadium or combinations thereof and methods of making the same
SE9004116D0 (sv) Saett foer framstaellning av en sintrad karbonitridlegering foer extrem finbearbetning vid svarvning med hoega skaerhastigheter
SE9004115D0 (sv) Saett foer framstaellning av en sintrad karbonitridlegering foer finfraesning
JPS6455371A (en) Production of composite material for drilling tooth
JPS5322106A (en) Super heat resisting cemented carbide alloy
JPS6468442A (en) Cermet alloy

Legal Events

Date Code Title Description
NUG Patent has lapsed