DE69410441T2 - Langbohrer mit titancarbonitriden schneideinsätzen - Google Patents

Langbohrer mit titancarbonitriden schneideinsätzen

Info

Publication number
DE69410441T2
DE69410441T2 DE69410441T DE69410441T DE69410441T2 DE 69410441 T2 DE69410441 T2 DE 69410441T2 DE 69410441 T DE69410441 T DE 69410441T DE 69410441 T DE69410441 T DE 69410441T DE 69410441 T2 DE69410441 T2 DE 69410441T2
Authority
DE
Germany
Prior art keywords
cutting inserts
titanium carbonitride
binder phase
long drill
edge
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.)
Expired - Lifetime
Application number
DE69410441T
Other languages
English (en)
Other versions
DE69410441T3 (de
DE69410441D1 (de
Inventor
Ake Oestlund
Ulf Oscarsson
Per Gustafson
Leif Akesson
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.)
Sandvik Intellectual Property AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20388790&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69410441(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sandvik AB filed Critical Sandvik AB
Publication of DE69410441D1 publication Critical patent/DE69410441D1/de
Application granted granted Critical
Publication of DE69410441T2 publication Critical patent/DE69410441T2/de
Publication of DE69410441T3 publication Critical patent/DE69410441T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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
    • 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
    • B22F2201/01—Reducing atmosphere
    • B22F2201/013—Hydrogen
    • 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
    • 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
    • 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
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
DE69410441T 1993-02-05 1994-02-04 Langbohrer mit titancarbonitriden Schneidaufsätzen Expired - Lifetime DE69410441T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9300376A SE9300376L (sv) 1993-02-05 1993-02-05 Hårdmetall med bindefasanriktad ytzon och förbättrat eggseghetsuppförande
PCT/SE1994/000092 WO1994017943A1 (en) 1993-02-05 1994-02-04 Cemented carbide with binder phase enriched surface zone and enhanced edge toughness behaviour

Publications (3)

Publication Number Publication Date
DE69410441D1 DE69410441D1 (de) 1998-06-25
DE69410441T2 true DE69410441T2 (de) 1998-09-17
DE69410441T3 DE69410441T3 (de) 2006-06-14

Family

ID=20388790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69410441T Expired - Lifetime DE69410441T3 (de) 1993-02-05 1994-02-04 Langbohrer mit titancarbonitriden Schneidaufsätzen

Country Status (8)

Country Link
US (1) US5484468A (de)
EP (1) EP0682580B2 (de)
JP (1) JP3611853B2 (de)
AT (1) ATE166269T1 (de)
DE (1) DE69410441T3 (de)
IL (1) IL108560A (de)
SE (1) SE9300376L (de)
WO (1) WO1994017943A1 (de)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514283C2 (sv) * 1995-04-12 2001-02-05 Sandvik Ab Belagt hårmetallskär med bindefasadanrikad ytzon samt sätt för dess tillverkning
EP0775755B1 (de) * 1995-11-27 2001-07-18 Mitsubishi Materials Corporation Verschleissfester Karbonitrid-Cermet Schneidkörper
US6148937A (en) * 1996-06-13 2000-11-21 Smith International, Inc. PDC cutter element having improved substrate configuration
US5906246A (en) * 1996-06-13 1999-05-25 Smith International, Inc. PDC cutter element having improved substrate configuration
US5976707A (en) * 1996-09-26 1999-11-02 Kennametal Inc. Cutting insert and method of making the same
SE517474C2 (sv) 1996-10-11 2002-06-11 Sandvik Ab Sätt att tillverka hårdmetall med bindefasanrikad ytzon
US5955186A (en) * 1996-10-15 1999-09-21 Kennametal Inc. Coated cutting insert with A C porosity substrate having non-stratified surface binder enrichment
US5752155A (en) * 1996-10-21 1998-05-12 Kennametal Inc. Green honed cutting insert and method of making the same
CA2267898C (en) * 1996-10-21 2004-01-20 Kennametal Inc. Method and apparatus for a powder metallurgical process
US6041875A (en) * 1996-12-06 2000-03-28 Smith International, Inc. Non-planar interfaces for cutting elements
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
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
SE516017C2 (sv) 1999-02-05 2001-11-12 Sandvik Ab Hårdmetallskär belagt med slitstark beläggning
JP2000308907A (ja) * 1999-02-26 2000-11-07 Ngk Spark Plug Co Ltd サーメット工具及びその製造方法
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
CA2404294A1 (en) 2000-03-24 2001-10-04 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
US6612787B1 (en) 2000-08-11 2003-09-02 Kennametal Inc. Chromium-containing cemented tungsten carbide coated cutting insert
US6575671B1 (en) 2000-08-11 2003-06-10 Kennametal Inc. Chromium-containing cemented tungsten carbide body
US6554548B1 (en) * 2000-08-11 2003-04-29 Kennametal Inc. Chromium-containing cemented carbide body having a surface zone of binder enrichment
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
DE10244955C5 (de) 2001-09-26 2021-12-23 Kyocera Corp. Sinterhartmetall, Verwendung eines Sinterhartmetalls und Verfahren zur Herstellung eines Sinterhartmetalls
US7017677B2 (en) 2002-07-24 2006-03-28 Smith International, Inc. Coarse carbide substrate cutting elements and method of forming the same
US7384443B2 (en) * 2003-12-12 2008-06-10 Tdy Industries, Inc. Hybrid cemented carbide composites
JP2005248309A (ja) * 2004-03-08 2005-09-15 Tungaloy Corp 超硬合金および被覆超硬合金
US20050262774A1 (en) * 2004-04-23 2005-12-01 Eyre Ronald K Low cobalt carbide polycrystalline diamond compacts, methods for forming the same, and bit bodies incorporating the same
US9428822B2 (en) 2004-04-28 2016-08-30 Baker Hughes Incorporated Earth-boring tools and components thereof including material having hard phase in a metallic binder, and metallic binder compositions for use in forming such tools and components
US20080101977A1 (en) * 2005-04-28 2008-05-01 Eason Jimmy W Sintered bodies for earth-boring rotary drill bits and methods of forming the same
US20050211475A1 (en) 2004-04-28 2005-09-29 Mirchandani Prakash K Earth-boring bits
US7581906B2 (en) * 2004-05-19 2009-09-01 Tdy Industries, Inc. Al2O3 ceramic tools with diffusion bonding enhanced layer
SE528427C2 (sv) * 2004-07-09 2006-11-07 Seco Tools Ab Ett belagt skär för metallbearbetning och sätt att tillverka detta
US20060024140A1 (en) * 2004-07-30 2006-02-02 Wolff Edward C Removable tap chasers and tap systems including the same
US7595106B2 (en) * 2004-10-29 2009-09-29 Seco Tools Ab Method for manufacturing cemented carbide
SE528380C2 (sv) * 2004-11-08 2006-10-31 Sandvik Intellectual Property Belagt skär för torrfräsning, sätt och användning av detsamma
ZA200509692B (en) * 2004-11-30 2006-09-27 Smith International Controlling ultra hard material quality
US7513320B2 (en) * 2004-12-16 2009-04-07 Tdy Industries, Inc. Cemented carbide inserts for earth-boring bits
SE529302C2 (sv) * 2005-04-20 2007-06-26 Sandvik Intellectual Property Sätt att tillverka en belagd submikron hårdmetall med bindefasanriktad ytzon
US8637127B2 (en) 2005-06-27 2014-01-28 Kennametal Inc. Composite article with coolant channels and tool fabrication method
US7687156B2 (en) * 2005-08-18 2010-03-30 Tdy Industries, Inc. Composite cutting inserts and methods of making the same
US7703555B2 (en) 2005-09-09 2010-04-27 Baker Hughes Incorporated Drilling tools having hardfacing with nickel-based matrix materials and hard particles
US7597159B2 (en) * 2005-09-09 2009-10-06 Baker Hughes Incorporated Drill bits and drilling tools including abrasive wear-resistant materials
US8002052B2 (en) 2005-09-09 2011-08-23 Baker Hughes Incorporated Particle-matrix composite drill bits with hardfacing
US7776256B2 (en) * 2005-11-10 2010-08-17 Baker Huges Incorporated Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
US7997359B2 (en) 2005-09-09 2011-08-16 Baker Hughes Incorporated Abrasive wear-resistant hardfacing materials, drill bits and drilling tools including abrasive wear-resistant hardfacing materials
US7807099B2 (en) * 2005-11-10 2010-10-05 Baker Hughes Incorporated Method for forming earth-boring tools comprising silicon carbide composite materials
US7802495B2 (en) * 2005-11-10 2010-09-28 Baker Hughes Incorporated Methods of forming earth-boring rotary drill bits
US8770324B2 (en) 2008-06-10 2014-07-08 Baker Hughes Incorporated Earth-boring tools including sinterbonded components and partially formed tools configured to be sinterbonded
US7913779B2 (en) * 2005-11-10 2011-03-29 Baker Hughes Incorporated Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits
US7784567B2 (en) * 2005-11-10 2010-08-31 Baker Hughes Incorporated Earth-boring rotary drill bits including bit bodies comprising reinforced titanium or titanium-based alloy matrix materials, and methods for forming such bits
US8312941B2 (en) 2006-04-27 2012-11-20 TDY Industries, LLC Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods
CA2662966C (en) 2006-08-30 2012-11-13 Baker Hughes Incorporated Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structures
US8007922B2 (en) 2006-10-25 2011-08-30 Tdy Industries, Inc Articles having improved resistance to thermal cracking
US8272295B2 (en) * 2006-12-07 2012-09-25 Baker Hughes Incorporated Displacement members and intermediate structures for use in forming at least a portion of bit bodies of earth-boring rotary drill bits
US7775287B2 (en) 2006-12-12 2010-08-17 Baker Hughes Incorporated Methods of attaching a shank to a body of an earth-boring drilling tool, and tools formed by such methods
US7682557B2 (en) * 2006-12-15 2010-03-23 Smith International, Inc. Multiple processes of high pressures and temperatures for sintered bodies
US7841259B2 (en) * 2006-12-27 2010-11-30 Baker Hughes Incorporated Methods of forming bit bodies
US8512882B2 (en) * 2007-02-19 2013-08-20 TDY Industries, LLC Carbide cutting insert
US20080202814A1 (en) * 2007-02-23 2008-08-28 Lyons Nicholas J Earth-boring tools and cutter assemblies having a cutting element co-sintered with a cone structure, methods of using the same
SE0700602L (sv) * 2007-03-13 2008-09-14 Sandvik Intellectual Property Hårdmetallskär och metod att tillverka detsamma
US7846551B2 (en) 2007-03-16 2010-12-07 Tdy Industries, Inc. Composite articles
US20090169594A1 (en) * 2007-09-18 2009-07-02 Stefania Polizu Carbon nanotube-based fibers, uses thereof and process for making same
US8790439B2 (en) 2008-06-02 2014-07-29 Kennametal Inc. Composite sintered powder metal articles
CN102112642B (zh) * 2008-06-02 2013-11-06 Tdy工业有限责任公司 烧结碳化物-金属合金复合物
US7703556B2 (en) * 2008-06-04 2010-04-27 Baker Hughes Incorporated Methods of attaching a shank to a body of an earth-boring tool including a load-bearing joint and tools formed by such methods
US8261632B2 (en) 2008-07-09 2012-09-11 Baker Hughes Incorporated Methods of forming earth-boring drill bits
US8025112B2 (en) 2008-08-22 2011-09-27 Tdy Industries, Inc. Earth-boring bits and other parts including cemented carbide
US8322465B2 (en) 2008-08-22 2012-12-04 TDY Industries, LLC Earth-boring bit parts including hybrid cemented carbides and methods of making the same
US20100104874A1 (en) * 2008-10-29 2010-04-29 Smith International, Inc. High pressure sintering with carbon additives
US8272816B2 (en) 2009-05-12 2012-09-25 TDY Industries, LLC Composite cemented carbide rotary cutting tools and rotary cutting tool blanks
US8201610B2 (en) 2009-06-05 2012-06-19 Baker Hughes Incorporated Methods for manufacturing downhole tools and downhole tool parts
US8308096B2 (en) 2009-07-14 2012-11-13 TDY Industries, LLC Reinforced roll and method of making same
US8440314B2 (en) * 2009-08-25 2013-05-14 TDY Industries, LLC Coated cutting tools having a platinum group metal concentration gradient and related processes
US9643236B2 (en) * 2009-11-11 2017-05-09 Landis Solutions Llc Thread rolling die and method of making same
US8490674B2 (en) 2010-05-20 2013-07-23 Baker Hughes Incorporated Methods of forming at least a portion of earth-boring tools
CA2799906A1 (en) 2010-05-20 2011-11-24 Baker Hughes Incorporated Methods of forming at least a portion of earth-boring tools, and articles formed by such methods
WO2011146760A2 (en) 2010-05-20 2011-11-24 Baker Hughes Incorporated Methods of forming at least a portion of earth-boring tools, and articles formed by such methods
CN102191421B (zh) * 2011-05-26 2012-11-07 株洲钻石切削刀具股份有限公司 梯度结构的超细硬质合金及其制备工艺
US8800848B2 (en) 2011-08-31 2014-08-12 Kennametal Inc. Methods of forming wear resistant layers on metallic surfaces
US9016406B2 (en) 2011-09-22 2015-04-28 Kennametal Inc. Cutting inserts for earth-boring bits
CN105671400A (zh) * 2014-11-21 2016-06-15 河南省大地合金股份有限公司 一种高耐磨硬质合金的制备方法
KR101675649B1 (ko) 2014-12-24 2016-11-11 한국야금 주식회사 절삭공구
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 (7)

* 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
JPS59219122A (ja) * 1983-05-27 1984-12-10 Sumitomo Electric Ind Ltd 被覆超硬合金工具及びその製造法
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
SE9200530D0 (sv) † 1992-02-21 1992-02-21 Sandvik Ab Haardmetall med bindefasanrikad ytzon

Also Published As

Publication number Publication date
SE9300376L (sv) 1994-08-06
JPH08506620A (ja) 1996-07-16
DE69410441T3 (de) 2006-06-14
ATE166269T1 (de) 1998-06-15
DE69410441D1 (de) 1998-06-25
EP0682580A1 (de) 1995-11-22
EP0682580B1 (de) 1998-05-20
WO1994017943A1 (en) 1994-08-18
US5484468A (en) 1996-01-16
IL108560A0 (en) 1994-05-30
JP3611853B2 (ja) 2005-01-19
EP0682580B2 (de) 2005-06-01
IL108560A (en) 1997-11-20
SE9300376D0 (sv) 1993-02-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: SANDVIK INTELLECTUAL PROPERTY HB, SANDVIKEN, SE

8327 Change in the person/name/address of the patent owner

Owner name: SANDVIK INTELLECTUAL PROPERTY AB, SANDVIKEN, SE