DE68916987T2 - Treated carbide. - Google Patents

Treated carbide.

Info

Publication number
DE68916987T2
DE68916987T2 DE68916987T DE68916987T DE68916987T2 DE 68916987 T2 DE68916987 T2 DE 68916987T2 DE 68916987 T DE68916987 T DE 68916987T DE 68916987 T DE68916987 T DE 68916987T DE 68916987 T2 DE68916987 T2 DE 68916987T2
Authority
DE
Germany
Prior art keywords
boron
carbide
sintering
treated carbide
microstructure
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 - Fee Related
Application number
DE68916987T
Other languages
German (de)
Other versions
DE68916987D1 (en
Inventor
Donald C Pennington
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.)
Robert Bosch Tool Corp
Original Assignee
Vermont American Corp
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 US07/317,612 external-priority patent/US4961780A/en
Application filed by Vermont American Corp filed Critical Vermont American Corp
Publication of DE68916987D1 publication Critical patent/DE68916987D1/en
Application granted granted Critical
Publication of DE68916987T2 publication Critical patent/DE68916987T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
    • C22C32/0073—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only borides
    • 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Powder Metallurgy (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Glass Compositions (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

A hard, relatively non-brittle, cemented carbide body is made by sintering pressed grade carbide powders in the presence of a boron-containing material such as boron nitride. During sintering, appreciable quantities of boron migrate or diffuse into the body to become incorporated throughout the microstructure of the carbide resulting in the formation of a third quarternary phase comprised of tungsten, cobalt, boron and carbon.
DE68916987T 1988-03-11 1989-03-10 Treated carbide. Expired - Fee Related DE68916987T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16700088A 1988-03-11 1988-03-11
US21119788A 1988-06-29 1988-06-29
US07/317,612 US4961780A (en) 1988-06-29 1989-03-06 Boron-treated hard metal

Publications (2)

Publication Number Publication Date
DE68916987D1 DE68916987D1 (en) 1994-09-01
DE68916987T2 true DE68916987T2 (en) 1994-12-01

Family

ID=27389335

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916987T Expired - Fee Related DE68916987T2 (en) 1988-03-11 1989-03-10 Treated carbide.

Country Status (11)

Country Link
EP (1) EP0332463B1 (en)
JP (1) JP2766661B2 (en)
KR (1) KR890014773A (en)
CN (1) CN1039837C (en)
AT (1) ATE109123T1 (en)
BR (1) BR8901168A (en)
CA (1) CA1334434C (en)
DE (1) DE68916987T2 (en)
DK (1) DK118489A (en)
ES (1) ES2060754T3 (en)
RU (1) RU2046152C1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05271842A (en) * 1990-09-12 1993-10-19 Hitachi Metals Ltd Cermet alloy and its production
GB2263704B (en) * 1992-01-29 1995-08-30 Toyo Kohan Co Ltd Heat-resistant sintered hard alloy
US5623723A (en) * 1995-08-11 1997-04-22 Greenfield; Mark S. Hard composite and method of making the same
KR100514342B1 (en) * 1998-03-25 2005-12-05 두산인프라코어 주식회사 Abrasion resistance cemented carbide alloy
GB2429980A (en) * 2005-09-08 2007-03-14 John James Saveker Material comprising a carbide, boride or oxide and tungsten carbide
JP2009200179A (en) * 2008-02-20 2009-09-03 Ulvac Japan Ltd Manufacturing method of sintered compact
CN101701311B (en) * 2009-09-29 2011-03-09 武汉科技大学 WCoB ternary boride cermet material and preparation method thereof
CN103060651B (en) * 2012-12-28 2015-03-04 鞍山煜宸科技有限公司 Nano ceramic alloy material for strengthening surface of ductile iron roller with laser and preparation method thereof
CN103769576A (en) * 2014-01-08 2014-05-07 北矿新材科技有限公司 Tungsten carbide-based wear-resistant coating material for preparing low-porosity coating and preparation method thereof
CN104073665B (en) * 2014-06-26 2016-05-11 东北大学 A kind of preparation method of WC-Co-cBN composite
CN104354345B (en) * 2014-11-28 2016-08-03 厦门钨业股份有限公司 A kind of boracic gradient hard alloy with shell structurre and preparation method thereof
DE102015203389A1 (en) * 2015-02-25 2016-08-25 Aktiebolaget Skf Drill motor bearing assembly
CN106319316A (en) * 2016-10-09 2017-01-11 张倩楠 Hard alloy and manufacturing method thereof
CA3114853A1 (en) * 2018-10-30 2020-05-07 Hyperion Materials & Technologies (Sweden) Ab Method of boronizing sintered bodies and tools for cold forming operations and hollow wear parts with boronized sintered bodies

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3264742D1 (en) * 1981-04-06 1985-08-22 Mitsubishi Metal Corp Tungsten carbide-base hard alloy for hot-working apparatus members
DE3574738D1 (en) * 1984-11-13 1990-01-18 Santrade Ltd SINDERED HARD METAL ALLOY FOR STONE DRILLING AND CUTTING MINERALS.

Also Published As

Publication number Publication date
RU2046152C1 (en) 1995-10-20
DK118489D0 (en) 1989-03-10
CA1334434C (en) 1995-02-14
JPH0285333A (en) 1990-03-26
KR890014773A (en) 1989-10-25
CN1037930A (en) 1989-12-13
EP0332463A1 (en) 1989-09-13
ATE109123T1 (en) 1994-08-15
DE68916987D1 (en) 1994-09-01
EP0332463B1 (en) 1994-07-27
ES2060754T3 (en) 1994-12-01
CN1039837C (en) 1998-09-16
JP2766661B2 (en) 1998-06-18
BR8901168A (en) 1989-10-31
DK118489A (en) 1989-09-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee