CA995497A - Process for preparing alloy powders from rare earths and cobalt - Google Patents

Process for preparing alloy powders from rare earths and cobalt

Info

Publication number
CA995497A
CA995497A CA188,625A CA188625A CA995497A CA 995497 A CA995497 A CA 995497A CA 188625 A CA188625 A CA 188625A CA 995497 A CA995497 A CA 995497A
Authority
CA
Canada
Prior art keywords
cobalt
rare earths
alloy powders
preparing alloy
preparing
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
CA188,625A
Other versions
CA188625S (en
Inventor
Hans-Gunter Domazer
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.)
Evonik Operations GmbH
Original Assignee
TH Goldschmidt 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 TH Goldschmidt AG filed Critical TH Goldschmidt AG
Application granted granted Critical
Publication of CA995497A publication Critical patent/CA995497A/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
    • 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)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA188,625A 1973-01-26 1973-12-20 Process for preparing alloy powders from rare earths and cobalt Expired CA995497A (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
CA995497A true CA995497A (en) 1976-08-24

Family

ID=5869981

Family Applications (1)

Application Number Title Priority Date Filing Date
CA188,625A Expired CA995497A (en) 1973-01-26 1973-12-20 Process for preparing alloy powders from rare earths 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
DE69009335T2 (en) * 1989-07-31 1994-11-03 Mitsubishi Materials Corp Rare earth powder for permanent magnet, manufacturing process 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
JPS49104860A (en) 1974-10-03
ATA63274A (en) 1976-09-15
AT336906B (en) 1977-06-10
CH596322A5 (en) 1978-03-15
GB1438091A (en) 1976-06-03
DE2303697C2 (en) 1974-07-18
JPS5316798B2 (en) 1978-06-03
FR2215480A1 (en) 1974-08-23
NL167730B (en) 1981-08-17
NL7401096A (en) 1974-07-30
DD109237A5 (en) 1974-10-20
FR2215480B1 (en) 1976-10-08
FI59616C (en) 1981-09-10
FI59616B (en) 1981-05-29
SE403624B (en) 1978-08-28
BE808440A (en) 1974-03-29
CS216666B2 (en) 1982-11-26
IL44013A0 (en) 1974-05-16
IT1002760B (en) 1976-05-20
IL44013A (en) 1976-12-31
BR7400498D0 (en) 1974-10-29
DE2303697B1 (en) 1973-12-06
NL167730C (en) 1982-01-18
DE2303697A1 (en) 1973-12-06

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