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GB972414A - The production of hard metal powders - Google Patents

The production of hard metal powders

Info

Publication number
GB972414A
GB972414A GB4537/63A GB453763A GB972414A GB 972414 A GB972414 A GB 972414A GB 4537/63 A GB4537/63 A GB 4537/63A GB 453763 A GB453763 A GB 453763A GB 972414 A GB972414 A GB 972414A
Authority
GB
United Kingdom
Prior art keywords
carbide
hard metal
boron
alloy
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
Application number
GB4537/63A
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.)
Deutsche Edelstahlwerke AG
Original Assignee
Deutsche Edelstahlwerke 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 Deutsche Edelstahlwerke AG filed Critical Deutsche Edelstahlwerke AG
Publication of GB972414A publication Critical patent/GB972414A/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
    • 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
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
    • B23K35/327—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C comprising refractory compounds, e.g. carbides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

A hard metal powder suitable for spraying or fusing to form a coating on a workpiece, e.g. of steel or nickel alloy, particularly by plasma spraying, is produced by mechanically disintegrating, e.g. in jaw crushers or ball mills, hard metal pieces consisting of at least one carbide of a Group IV, V or VI metal in a binder or matrix of Fe, Ni and/or Co which contains boron amounting to from 0.05 to 2% of the hard metal, either as the element or a boride. The boron may be added as an alloy such as Fe-B, Ni-B or Co-B. Examples of hard metals with boron and without (for comparison) are: (a) 7-20% Co, balance WC; (b) 63% WC, 18% Ti carbide, 10% Ta carbide, 9% Co; (c) 50% WC, 35% Ti carbide, 7% Ta carbide, 8% Co. A known alloy is disclosed, for mixing with known pulverized hard metal, without boron, to lower the melting-point of the mixture, the composition being: 13-20% Cr, 2.8-4.5% B, 0.5-1% C, 3.5-4.5% Si, 3-4% Fe, balance Ni.
GB4537/63A 1962-02-14 1963-02-04 The production of hard metal powders Expired GB972414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED38151A DE1174997B (en) 1962-02-14 1962-02-14 Use of hard metals containing boron

Publications (1)

Publication Number Publication Date
GB972414A true GB972414A (en) 1964-10-14

Family

ID=33304741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4537/63A Expired GB972414A (en) 1962-02-14 1963-02-04 The production of hard metal powders

Country Status (3)

Country Link
US (1) US3211386A (en)
DE (1) DE1174997B (en)
GB (1) GB972414A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122525A (en) * 1982-06-28 1984-01-18 Union Carbide Corp Method of hard facing metal substrates and improved flux composition therefor
GB2276886A (en) * 1993-03-19 1994-10-12 Smith International Hardfacing for rock drilling bits

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025334A (en) * 1976-04-08 1977-05-24 Gte Sylvania Incorporated Tungsten carbide-cobalt flame spray powder and method
US4395279A (en) * 1981-11-27 1983-07-26 Gte Products Corporation Plasma spray powder
DE19640787C1 (en) 1996-10-02 1998-04-16 Fraunhofer Ges Forschung Wear-resistant parts for process valves
DE19640789C2 (en) * 1996-10-02 2002-01-31 Fraunhofer Ges Forschung Wear-resistant coated components for internal combustion engines, in particular piston rings and processes for their production
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1739068A (en) * 1929-01-31 1929-12-10 Bell Telephone Labor Inc Method of producing materials in finely-divided form
US2394052A (en) * 1942-04-01 1946-02-05 Metals Disintegrating Co Method of manufacturing magnesium powder
US2726045A (en) * 1950-12-28 1955-12-06 Hinerfeld Irving Method for granulating plastic materials
US2936229A (en) * 1957-11-25 1960-05-10 Metallizing Engineering Co Inc Spray-weld alloys
US3155491A (en) * 1961-12-26 1964-11-03 Gen Electric Brazing alloy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2122525A (en) * 1982-06-28 1984-01-18 Union Carbide Corp Method of hard facing metal substrates and improved flux composition therefor
GB2276886A (en) * 1993-03-19 1994-10-12 Smith International Hardfacing for rock drilling bits
GB2276886B (en) * 1993-03-19 1997-04-23 Smith International Rock bits with hard facing

Also Published As

Publication number Publication date
DE1174997B (en) 1964-07-30
US3211386A (en) 1965-10-12

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