BE808440A - PROCESS FOR PREPARING RARE EARTH ALLOY POWDERS AND COBALT - Google Patents

PROCESS FOR PREPARING RARE EARTH ALLOY POWDERS AND COBALT

Info

Publication number
BE808440A
BE808440A BE138699A BE138699A BE808440A BE 808440 A BE808440 A BE 808440A BE 138699 A BE138699 A BE 138699A BE 138699 A BE138699 A BE 138699A BE 808440 A BE808440 A BE 808440A
Authority
BE
Belgium
Prior art keywords
cobalt
rare earth
alloy powders
earth alloy
preparing rare
Prior art date
Application number
BE138699A
Other languages
French (fr)
Original Assignee
Goldschmidt Ag Th
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 Goldschmidt Ag Th filed Critical Goldschmidt Ag Th
Publication of BE808440A publication Critical patent/BE808440A/en

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
    • 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
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/021—Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B59/00—Obtaining rare earth metals
    • 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
    • C22C1/0433—Nickel- or cobalt-based alloys
    • C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/0553—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 obtained by reduction or by hydrogen decrepitation or embrittlement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
BE138699A 1973-01-26 1973-12-10 PROCESS FOR PREPARING RARE EARTH ALLOY POWDERS AND COBALT BE808440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2303697A DE2303697C2 (en) 1973-01-26 1973-01-26 Process for the production of alloy powders from rare earths and cobalt

Publications (1)

Publication Number Publication Date
BE808440A true BE808440A (en) 1974-03-29

Family

ID=5869981

Family Applications (1)

Application Number Title Priority Date Filing Date
BE138699A BE808440A (en) 1973-01-26 1973-12-10 PROCESS FOR PREPARING RARE EARTH ALLOY POWDERS AND COBALT

Country Status (16)

Country Link
JP (1) JPS5316798B2 (en)
AT (1) AT336906B (en)
BE (1) BE808440A (en)
BR (1) BR7400498D0 (en)
CA (1) CA995497A (en)
CH (1) CH596322A5 (en)
CS (1) CS216666B2 (en)
DD (1) DD109237A5 (en)
DE (1) DE2303697C2 (en)
FI (1) FI59616C (en)
FR (1) FR2215480B1 (en)
GB (1) GB1438091A (en)
IL (1) IL44013A (en)
IT (1) IT1002760B (en)
NL (1) NL167730C (en)
SE (1) SE403624B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2631162C3 (en) * 1975-07-22 1980-04-30 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Process for the production of compounds of rare earth metals and cobalt, nickel, iron and / or copper
JPS5487630A (en) * 1977-12-26 1979-07-12 Fujitsu Ltd Method of producing rare earth cobalt magnet
JPS54102271A (en) * 1978-01-31 1979-08-11 Nippon Itsutoriumu Kk Production of rare earth elements containing alloy powder
JPS5823451B2 (en) * 1979-05-01 1983-05-16 住友特殊金属株式会社 Manufacturing method of rare earth cobalt magnet
US4331475A (en) * 1980-07-28 1982-05-25 Reading Alloys, Inc. Process for aluminothermic production of chromium and chromium alloys low in nitrogen
US4767450A (en) * 1984-11-27 1988-08-30 Sumitomo Special Metals Co., Ltd. Process for producing the rare earth alloy powders
JPS61295308A (en) * 1985-06-24 1986-12-26 Sumitomo Metal Mining Co Ltd Production of alloy powder containing rare earth metal
US4769063A (en) * 1986-03-06 1988-09-06 Sumitomo Special Metals Co., Ltd. Method for producing rare earth alloy
FR2607520B1 (en) * 1986-11-27 1992-06-19 Comurhex PROCESS FOR THE PRODUCTION BY METALLOTHERMY OF PURE ALLOYS BASED ON RARE EARTHS AND TRANSITION METALS
US5228930A (en) * 1989-07-31 1993-07-20 Mitsubishi Materials Corporation Rare earth permanent magnet power, method for producing same and bonded magnet
US5354354A (en) * 1991-10-22 1994-10-11 Th. Goldschmidt Ag Method for producing single-phase, incongruently melting intermetallic phases
CN108168294B (en) * 2017-12-18 2024-02-09 保定硼达新材料科技有限公司 Vacuum furnace
CN111500879B (en) * 2020-05-28 2021-07-27 清华大学 Method for extracting rare earth elements based on magnetic Janus particles

Also Published As

Publication number Publication date
FI59616C (en) 1981-09-10
SE403624B (en) 1978-08-28
FR2215480A1 (en) 1974-08-23
GB1438091A (en) 1976-06-03
JPS49104860A (en) 1974-10-03
ATA63274A (en) 1976-09-15
NL167730C (en) 1982-01-18
AT336906B (en) 1977-06-10
FR2215480B1 (en) 1976-10-08
IT1002760B (en) 1976-05-20
DE2303697B1 (en) 1973-12-06
FI59616B (en) 1981-05-29
NL167730B (en) 1981-08-17
CA995497A (en) 1976-08-24
JPS5316798B2 (en) 1978-06-03
IL44013A0 (en) 1974-05-16
DE2303697A1 (en) 1973-12-06
CS216666B2 (en) 1982-11-26
DE2303697C2 (en) 1974-07-18
BR7400498D0 (en) 1974-10-29
IL44013A (en) 1976-12-31
DD109237A5 (en) 1974-10-20
NL7401096A (en) 1974-07-30
CH596322A5 (en) 1978-03-15

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: TH. GOLDSCHMIDT A.G.

Effective date: 19931210