BE863817A - Procede d'elaboration du ferrotungstene par fusion sous vide - Google Patents

Procede d'elaboration du ferrotungstene par fusion sous vide

Info

Publication number
BE863817A
BE863817A BE185047A BE185047A BE863817A BE 863817 A BE863817 A BE 863817A BE 185047 A BE185047 A BE 185047A BE 185047 A BE185047 A BE 185047A BE 863817 A BE863817 A BE 863817A
Authority
BE
Belgium
Prior art keywords
ferrotungstene
preparing
vacuum fusion
fusion
vacuum
Prior art date
Application number
BE185047A
Other languages
English (en)
French (fr)
Original Assignee
Amax Inc
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 US05/768,386 external-priority patent/US4113479A/en
Application filed by Amax Inc filed Critical Amax Inc
Publication of BE863817A publication Critical patent/BE863817A/xx

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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BE185047A 1977-02-14 1978-02-09 Procede d'elaboration du ferrotungstene par fusion sous vide BE863817A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/768,386 US4113479A (en) 1976-02-27 1977-02-14 Vacuum smelting process for producing ferrotungsten

Publications (1)

Publication Number Publication Date
BE863817A true BE863817A (fr) 1978-05-29

Family

ID=25082347

Family Applications (1)

Application Number Title Priority Date Filing Date
BE185047A BE863817A (fr) 1977-02-14 1978-02-09 Procede d'elaboration du ferrotungstene par fusion sous vide

Country Status (10)

Country Link
JP (1) JPS53124113A (ja)
AT (1) AT372980B (ja)
BE (1) BE863817A (ja)
BR (1) BR7800847A (ja)
CA (1) CA1097950A (ja)
DE (1) DE2806200A1 (ja)
FR (1) FR2380348A1 (ja)
GB (1) GB1547139A (ja)
IT (1) IT1095411B (ja)
NL (1) NL7801460A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8685137B2 (en) 2009-10-26 2014-04-01 Minpro Aktiebolag Recycling of tungsten carbides
SE537464C2 (sv) * 2013-05-27 2015-05-12 Ferrolegeringar Ab Järn- och volframhaltiga briketter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR427774A (fr) * 1911-02-17 1911-08-12 Goldschmidt Ag Th Procédé pour la fabrication d'alliages à base de tungstène et à teneur élevée, en particulier du ferro-tungstène, et leur introduction dans les bains de métaux en fusion
CH85900A (de) * 1918-05-06 1920-07-16 Ampere Ges Mit Beschraenkter H Verfahren zur Darstellung von kohlenstoffarmem Ferrochrom.
FR499905A (fr) * 1918-07-30 1920-02-26 Harold Alexandre Blackwell Procédé de fabrication et d'application du ferro-tungstène
FR552520A (fr) * 1922-06-03 1923-05-02 Continuous Reaction Company Lt Perfectionnements dans la fabrication du ferrotungstène et du ferromolybdène
US1786393A (en) * 1926-05-22 1930-12-23 Schwarzkopf Paul Method of producing ferromolybdenum and ferrotungsten
JPS5654207B2 (ja) * 1974-07-26 1981-12-24
US3966459A (en) 1974-09-24 1976-06-29 Amax Inc. Process for thermal dissociation of molybdenum disulfide
JPS51100924A (ja) * 1975-03-04 1976-09-06 Nisshin Steel Co Ltd Shinkukotaikangennyoru kotanso feecr gokinno seizohoho

Also Published As

Publication number Publication date
IT7820247A0 (it) 1978-02-13
DE2806200A1 (de) 1978-08-17
NL7801460A (nl) 1978-08-16
JPS5548577B2 (ja) 1980-12-06
CA1097950A (en) 1981-03-24
IT1095411B (it) 1985-08-10
FR2380348A1 (fr) 1978-09-08
FR2380348B1 (ja) 1980-04-04
BR7800847A (pt) 1978-12-19
GB1547139A (en) 1979-06-06
AT372980B (de) 1983-12-12
ATA95678A (de) 1983-04-15
JPS53124113A (en) 1978-10-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AMAX INC.

Effective date: 19860228