CA1097950A - Methode de fusion sous vide pour la fabrication du ferro-tungstene - Google Patents

Methode de fusion sous vide pour la fabrication du ferro-tungstene

Info

Publication number
CA1097950A
CA1097950A CA295,974A CA295974A CA1097950A CA 1097950 A CA1097950 A CA 1097950A CA 295974 A CA295974 A CA 295974A CA 1097950 A CA1097950 A CA 1097950A
Authority
CA
Canada
Prior art keywords
iron
pellets
particulated
tungsten
ferrotungsten
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
CA295,974A
Other languages
English (en)
Inventor
Donald O. Buker
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.)
Cyprus Amax Minerals Co
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
Application granted granted Critical
Publication of CA1097950A publication Critical patent/CA1097950A/fr
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
    • 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)
CA295,974A 1977-02-14 1978-01-31 Methode de fusion sous vide pour la fabrication du ferro-tungstene Expired CA1097950A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US768,386 1977-02-14
US05/768,386 US4113479A (en) 1976-02-27 1977-02-14 Vacuum smelting process for producing ferrotungsten

Publications (1)

Publication Number Publication Date
CA1097950A true CA1097950A (fr) 1981-03-24

Family

ID=25082347

Family Applications (1)

Application Number Title Priority Date Filing Date
CA295,974A Expired CA1097950A (fr) 1977-02-14 1978-01-31 Methode de fusion sous vide pour la fabrication du ferro-tungstene

Country Status (10)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120098750A (ko) 2009-10-26 2012-09-05 민프로 악티에보락 텅스텐 카바이드의 재활용
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 (fr) * 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
AT372980B (de) 1983-12-12
FR2380348B1 (fr) 1980-04-04
DE2806200A1 (de) 1978-08-17
NL7801460A (nl) 1978-08-16
IT7820247A0 (it) 1978-02-13
FR2380348A1 (fr) 1978-09-08
ATA95678A (de) 1983-04-15
IT1095411B (it) 1985-08-10
JPS53124113A (en) 1978-10-30
JPS5548577B2 (fr) 1980-12-06
BR7800847A (pt) 1978-12-19
BE863817A (fr) 1978-05-29
GB1547139A (en) 1979-06-06

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Legal Events

Date Code Title Description
MKEX Expiry