DE69525248D1 - Tungsten carbide containing surface crystalline tungsten carbide, composition for the production of surface crystalline tungsten carbide and method for producing the hard metal - Google Patents

Tungsten carbide containing surface crystalline tungsten carbide, composition for the production of surface crystalline tungsten carbide and method for producing the hard metal

Info

Publication number
DE69525248D1
DE69525248D1 DE69525248T DE69525248T DE69525248D1 DE 69525248 D1 DE69525248 D1 DE 69525248D1 DE 69525248 T DE69525248 T DE 69525248T DE 69525248 T DE69525248 T DE 69525248T DE 69525248 D1 DE69525248 D1 DE 69525248D1
Authority
DE
Germany
Prior art keywords
tungsten carbide
surface crystalline
producing
composition
production
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
DE69525248T
Other languages
German (de)
Other versions
DE69525248T2 (en
Inventor
Masaki Kobayashi
Kozo Kitamura
Satoshi Kinoshita
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.)
Tungaloy Corp
Original Assignee
Toshiba Tungaloy Co 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
Application filed by Toshiba Tungaloy Co Ltd filed Critical Toshiba Tungaloy Co Ltd
Publication of DE69525248D1 publication Critical patent/DE69525248D1/en
Application granted granted Critical
Publication of DE69525248T2 publication Critical patent/DE69525248T2/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
    • 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
    • C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
    • C22C1/055—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using carbon
    • 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
DE1995625248 1995-08-23 1995-08-23 Tungsten carbide containing surface crystalline tungsten carbide, composition for the production of surface crystalline tungsten carbide and method for producing the hard metal Expired - Lifetime DE69525248T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19950113238 EP0759480B1 (en) 1995-08-23 1995-08-23 Plate-crystalline tungsten carbide-containing hard alloy, composition for forming plate-crystalline tungsten carbide and process for preparing said hard alloy

Publications (2)

Publication Number Publication Date
DE69525248D1 true DE69525248D1 (en) 2002-03-14
DE69525248T2 DE69525248T2 (en) 2002-09-26

Family

ID=8219549

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995625248 Expired - Lifetime DE69525248T2 (en) 1995-08-23 1995-08-23 Tungsten carbide containing surface crystalline tungsten carbide, composition for the production of surface crystalline tungsten carbide and method for producing the hard metal

Country Status (2)

Country Link
EP (1) EP0759480B1 (en)
DE (1) DE69525248T2 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29617040U1 (en) * 1996-10-01 1997-01-23 United Hardmetal Gmbh WC hard alloy
CN1075125C (en) * 1996-12-16 2001-11-21 住友电气工业株式会社 Cemented carbide, process for production thereof, and cemented carbide tools
EP0966550B1 (en) 1997-03-10 2001-10-04 Widia GmbH Hard metal or cermet sintered body and method for the production thereof
DE19725914A1 (en) * 1997-03-10 1998-09-17 Widia Gmbh Carbide or cermet sintered body and process for its production
SE9704742D0 (en) * 1997-12-18 1997-12-18 Sandvik Ab Coated cemented carbide with improved properties and method of making such body
JP2001179507A (en) * 1999-12-24 2001-07-03 Kyocera Corp Cutting tool
JP4599673B2 (en) * 2000-07-10 2010-12-15 ダイキン工業株式会社 Hydrogen fluoride production apparatus and production method
CA2423273A1 (en) * 2003-03-26 2004-09-26 Paul Caron Fused tungsten carbides and method of manufacturing same
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
EP2327856B1 (en) 2006-04-27 2016-06-08 Kennametal Inc. Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods
DE102006023390A1 (en) * 2006-05-17 2007-11-29 Ims Gear Gmbh Planetary gear with powder metallurgically produced carbide pin
EP2078101A2 (en) 2006-10-25 2009-07-15 TDY Industries, Inc. Articles having improved resistance to thermal cracking
US8512882B2 (en) 2007-02-19 2013-08-20 TDY Industries, LLC Carbide cutting insert
US7846551B2 (en) 2007-03-16 2010-12-07 Tdy Industries, Inc. Composite articles
US8790439B2 (en) 2008-06-02 2014-07-29 Kennametal Inc. Composite sintered powder metal articles
CA2725318A1 (en) 2008-06-02 2009-12-10 Tdy Industries, Inc. Cemented carbide-metallic alloy composites
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
US8272816B2 (en) * 2009-05-12 2012-09-25 TDY Industries, LLC Composite cemented carbide rotary cutting tools and rotary cutting tool blanks
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
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
CN112359258B (en) * 2020-10-22 2022-04-08 长沙黑金刚实业有限公司 Mining hard alloy formula, mining hard alloy and preparation method thereof
CN114318040B (en) * 2021-12-29 2023-04-07 江西理工大学 Rare earth-added hard alloy and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE345289B (en) * 1964-12-16 1972-05-23 Du Pont
JPS5463460A (en) 1977-10-31 1979-05-22 Toyoda Autom Loom Works Ltd Cutting liquid regenerator
US4358618A (en) 1981-06-22 1982-11-09 Allied Corporation Decomposition of cumene oxidation product
JPH0247239B2 (en) 1984-12-31 1990-10-18 Tooru Matsubara HEIHOTODANHONOFUKUGOHOCHOSEISOCHI
SE456428B (en) * 1986-05-12 1988-10-03 Santrade Ltd HARD METAL BODY FOR MOUNTAIN DRILLING WITH BINDING PHASE GRADIENT AND WANTED TO MAKE IT SAME
US4851041A (en) * 1987-05-22 1989-07-25 Exxon Research And Engineering Company Multiphase composite particle
JPH05339659A (en) * 1992-06-05 1993-12-21 Toshiba Tungaloy Co Ltd Production of sintered hard alloy having sheet-like tungsten carbide and coated sintered hard alloy

Also Published As

Publication number Publication date
DE69525248T2 (en) 2002-09-26
EP0759480B1 (en) 2002-01-30
EP0759480A1 (en) 1997-02-26

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