IT1002760B - Procedimento per la produzione di polveri di lega da terre rare e cobalto - Google Patents

Procedimento per la produzione di polveri di lega da terre rare e cobalto

Info

Publication number
IT1002760B
IT1002760B IT47915/74A IT4791574A IT1002760B IT 1002760 B IT1002760 B IT 1002760B IT 47915/74 A IT47915/74 A IT 47915/74A IT 4791574 A IT4791574 A IT 4791574A IT 1002760 B IT1002760 B IT 1002760B
Authority
IT
Italy
Prior art keywords
cobalt
procedure
production
rare earth
alloy powders
Prior art date
Application number
IT47915/74A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1002760B publication Critical patent/IT1002760B/it

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)
IT47915/74A 1973-01-26 1974-01-24 Procedimento per la produzione di polveri di lega da terre rare e cobalto IT1002760B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2303697A DE2303697C2 (de) 1973-01-26 1973-01-26 Verfahren zur Herstellung von Legierungspulvern aus Seltenen Erden und Kobalt

Publications (1)

Publication Number Publication Date
IT1002760B true IT1002760B (it) 1976-05-20

Family

ID=5869981

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47915/74A IT1002760B (it) 1973-01-26 1974-01-24 Procedimento per la produzione di polveri di lega da terre rare e cobalto

Country Status (16)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2631162C3 (de) * 1975-07-22 1980-04-30 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Verfahren zum Herstellen von Verbindungen Seltener Erdmetalle und Kobalt, Nickel, Eisen und/oder Kupfer
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 (ja) * 1979-05-01 1983-05-16 住友特殊金属株式会社 希土類コバルト系磁石の製造方法
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 (ja) * 1985-06-24 1986-12-26 Sumitomo Metal Mining Co Ltd 希土類金属を含む合金粉末の製造方法
US4769063A (en) * 1986-03-06 1988-09-06 Sumitomo Special Metals Co., Ltd. Method for producing rare earth alloy
FR2607520B1 (fr) * 1986-11-27 1992-06-19 Comurhex Procede d'elaboration par metallothermie d'alliages purs a base de terres rares et de metaux de transition
EP0411571B1 (en) * 1989-07-31 1994-06-01 Mitsubishi Materials Corporation Rare earth permanent magnet powder, 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 (zh) * 2017-12-18 2024-02-09 保定硼达新材料科技有限公司 一种真空炉
CN111500879B (zh) * 2020-05-28 2021-07-27 清华大学 基于磁性Janus颗粒的萃取稀土元素的方法

Also Published As

Publication number Publication date
FR2215480B1 (it) 1976-10-08
FI59616C (fi) 1981-09-10
CA995497A (en) 1976-08-24
DE2303697C2 (de) 1974-07-18
DD109237A5 (it) 1974-10-20
FI59616B (fi) 1981-05-29
ATA63274A (de) 1976-09-15
CH596322A5 (it) 1978-03-15
NL167730C (nl) 1982-01-18
IL44013A0 (en) 1974-05-16
CS216666B2 (en) 1982-11-26
BR7400498D0 (pt) 1974-10-29
DE2303697A1 (it) 1973-12-06
BE808440A (fr) 1974-03-29
IL44013A (en) 1976-12-31
GB1438091A (en) 1976-06-03
AT336906B (de) 1977-06-10
DE2303697B1 (de) 1973-12-06
SE403624B (sv) 1978-08-28
FR2215480A1 (it) 1974-08-23
JPS5316798B2 (it) 1978-06-03
JPS49104860A (it) 1974-10-03
NL7401096A (it) 1974-07-30
NL167730B (nl) 1981-08-17

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