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GB2017153B - Method of producing composite hard metal bodies - Google Patents

Method of producing composite hard metal bodies

Info

Publication number
GB2017153B
GB2017153B GB7908875A GB7908875A GB2017153B GB 2017153 B GB2017153 B GB 2017153B GB 7908875 A GB7908875 A GB 7908875A GB 7908875 A GB7908875 A GB 7908875A GB 2017153 B GB2017153 B GB 2017153B
Authority
GB
United Kingdom
Prior art keywords
hard metal
metal bodies
producing composite
composite hard
producing
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
GB7908875A
Other versions
GB2017153A (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.)
Fried Krupp AG
Original Assignee
Fried Krupp AG
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 Fried Krupp AG filed Critical Fried Krupp AG
Publication of GB2017153A publication Critical patent/GB2017153A/en
Application granted granted Critical
Publication of GB2017153B publication Critical patent/GB2017153B/en
Expired 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
    • 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
    • B22F7/062—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 involving the connection or repairing of preformed parts
    • 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
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • 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
    • B22F2998/10—Processes characterised by the sequence of their steps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Powder Metallurgy (AREA)
GB7908875A 1978-03-13 1979-03-13 Method of producing composite hard metal bodies Expired GB2017153B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782810746 DE2810746A1 (en) 1978-03-13 1978-03-13 PROCESS FOR THE PRODUCTION OF COMPOSITE HARD METALS

Publications (2)

Publication Number Publication Date
GB2017153A GB2017153A (en) 1979-10-03
GB2017153B true GB2017153B (en) 1982-10-27

Family

ID=6034255

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7908875A Expired GB2017153B (en) 1978-03-13 1979-03-13 Method of producing composite hard metal bodies

Country Status (4)

Country Link
DE (1) DE2810746A1 (en)
FR (1) FR2419786A1 (en)
GB (1) GB2017153B (en)
SE (1) SE7901875L (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8074750B2 (en) 2005-11-10 2011-12-13 Baker Hughes Incorporated Earth-boring tools comprising silicon carbide composite materials, and methods of forming same
US8261632B2 (en) 2008-07-09 2012-09-11 Baker Hughes Incorporated Methods of forming earth-boring drill bits
US10144113B2 (en) * 2008-06-10 2018-12-04 Baker Hughes Incorporated Methods of forming earth-boring tools including sinterbonded components

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359335A (en) * 1980-06-05 1982-11-16 Smith International, Inc. Method of fabrication of rock bit inserts of tungsten carbide (WC) and cobalt (Co) with cutting surface wear pad of relative hardness and body portion of relative toughness sintered as an integral composite
SE423562B (en) * 1980-11-13 1982-05-10 Cerac Inst Sa PROCEDURE FOR PREPARING A STABLE BODY INCLUDING HARD MATERIAL INSTALLATIONS
EP0089155A3 (en) * 1982-03-05 1983-12-07 Rolls-Royce Plc Composite articles and a method for their manufacture
GB2153850B (en) * 1984-02-07 1987-08-12 Nippon Piston Ring Co Ltd Method of manufacturing a camshaft
DE3601385A1 (en) * 1986-01-18 1987-07-23 Krupp Gmbh METHOD FOR PRODUCING SINTER BODIES WITH INNER CHANNELS, EXTRACTION TOOL FOR IMPLEMENTING THE METHOD, AND DRILLING TOOL
JPS63162801A (en) * 1986-12-26 1988-07-06 Toyo Kohan Co Ltd Manufacture of screw for resin processing machine
US4859543A (en) * 1987-04-28 1989-08-22 Kennametal Inc. Earth working tool having a working element fabricated from cemented tungsten carbide compositions with enhanced properties
DE4414249C2 (en) * 1994-04-23 2000-05-25 Max Hobe Use of an object made of hard metal and crystal and / or ceramic
US5679445A (en) * 1994-12-23 1997-10-21 Kennametal Inc. Composite cermet articles and method of making
US5541006A (en) * 1994-12-23 1996-07-30 Kennametal Inc. Method of making composite cermet articles and the articles
US5762843A (en) * 1994-12-23 1998-06-09 Kennametal Inc. Method of making composite cermet articles
US5623723A (en) * 1995-08-11 1997-04-22 Greenfield; Mark S. Hard composite and method of making the same
US6183687B1 (en) 1995-08-11 2001-02-06 Kennametal Inc. Hard composite and method of making the same
SE510763C2 (en) * 1996-12-20 1999-06-21 Sandvik Ab Topic for a drill or a metal cutter for machining
GB9720059D0 (en) * 1997-09-19 1997-11-19 Isis Innovation Method of bonding
CA2345758C (en) * 2000-05-01 2006-02-21 Smith International, Inc. Rotary cone bit with functionally engineered composite inserts
US6908688B1 (en) 2000-08-04 2005-06-21 Kennametal Inc. Graded composite hardmetals
GB0520778D0 (en) * 2005-10-12 2005-11-23 Environmental Monitoring And C Ceramic component and fabrication method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR895819A (en) * 1942-03-26 1945-02-05 Manufacturing process of sintered bodies
FR2358228A1 (en) * 1976-07-15 1978-02-10 Sumitomo Electric Industries Reclaiming worn cylindrical hard metal tools - by sintering hard metal outer ring onto undersize tool
JPS5328505A (en) * 1976-08-31 1978-03-16 Fuji Dies Kk Superhard alloy product and process for production thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8074750B2 (en) 2005-11-10 2011-12-13 Baker Hughes Incorporated Earth-boring tools comprising silicon carbide composite materials, and methods of forming same
US8309018B2 (en) 2005-11-10 2012-11-13 Baker Hughes Incorporated Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies
US10144113B2 (en) * 2008-06-10 2018-12-04 Baker Hughes Incorporated Methods of forming earth-boring tools including sinterbonded components
US8261632B2 (en) 2008-07-09 2012-09-11 Baker Hughes Incorporated Methods of forming earth-boring drill bits

Also Published As

Publication number Publication date
DE2810746A1 (en) 1979-09-20
SE7901875L (en) 1979-09-14
GB2017153A (en) 1979-10-03
FR2419786A1 (en) 1979-10-12

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Legal Events

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