GB2007720B - Cemented carbide layer - Google Patents

Cemented carbide layer

Info

Publication number
GB2007720B
GB2007720B GB7838416A GB7838416A GB2007720B GB 2007720 B GB2007720 B GB 2007720B GB 7838416 A GB7838416 A GB 7838416A GB 7838416 A GB7838416 A GB 7838416A GB 2007720 B GB2007720 B GB 2007720B
Authority
GB
United Kingdom
Prior art keywords
cemented carbide
carbide layer
layer
cemented
carbide
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
Application number
GB7838416A
Other versions
GB2007720A (en
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.)
Nippon Tungsten Co Ltd
Original Assignee
Nippon Tungsten 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
Priority claimed from JP11649377A external-priority patent/JPS5449908A/en
Priority claimed from JP11629177A external-priority patent/JPS5449907A/en
Priority claimed from JP10774878A external-priority patent/JPS5537416A/en
Application filed by Nippon Tungsten Co Ltd filed Critical Nippon Tungsten Co Ltd
Publication of GB2007720A publication Critical patent/GB2007720A/en
Application granted granted Critical
Publication of GB2007720B publication Critical patent/GB2007720B/en
Expired 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
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • 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
GB7838416A 1977-09-27 1978-09-27 Cemented carbide layer Expired GB2007720B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11649377A JPS5449908A (en) 1977-09-27 1977-09-27 Production of cemented carbide ring for use as mechanical seal
JP11629177A JPS5449907A (en) 1977-09-27 1977-09-27 Production of cemented carbide ring for use as mechanical seal
JP10774878A JPS5537416A (en) 1978-08-31 1978-08-31 Manufacture of mechanical seal ring

Publications (2)

Publication Number Publication Date
GB2007720A GB2007720A (en) 1979-05-23
GB2007720B true GB2007720B (en) 1982-08-18

Family

ID=27311065

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7838416A Expired GB2007720B (en) 1977-09-27 1978-09-27 Cemented carbide layer

Country Status (1)

Country Link
GB (1) GB2007720B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1188136A (en) * 1980-08-18 1985-06-04 Nicholas Makrides Steel-hard carbide macrostructured tools, compositions and methods of forming
US4608318A (en) * 1981-04-27 1986-08-26 Kennametal Inc. Casting having wear resistant compacts and method of manufacture
CA1237122A (en) * 1984-03-28 1988-05-24 William J. Salesky Rock bits having metallurgically bonded cutter inserts
US4765836A (en) * 1986-12-11 1988-08-23 Crucible Materials Corporation Wear and corrosion resistant articles made from pm alloyed irons
GB8821044D0 (en) * 1988-09-08 1988-10-05 Metal Box Plc Method of bonding tool material to holder & tools made by method
DE4321143A1 (en) * 1993-06-25 1995-01-05 Saar Hartmetall & Werkzeuge Composite body, consisting of materials with different thermal and mechanical properties
US6073518A (en) * 1996-09-24 2000-06-13 Baker Hughes Incorporated Bit manufacturing method
US6124564A (en) * 1998-01-23 2000-09-26 Smith International, Inc. Hardfacing compositions and hardfacing coatings formed by pulsed plasma-transferred arc
WO1999055470A1 (en) * 1998-04-25 1999-11-04 Penn State Research Foundation Method of applying hard-facing material to a substrate
US20050155694A1 (en) * 2003-12-24 2005-07-21 Daewoo Heavy Industries & Machinery Ltd. Wear-resistant mechanical component and method of producing the same

Also Published As

Publication number Publication date
GB2007720A (en) 1979-05-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930927