ES362575A1 - Procedimiento para la produccion de un compuesto terreo raro de cobalto para imanes permanentes. - Google Patents

Procedimiento para la produccion de un compuesto terreo raro de cobalto para imanes permanentes.

Info

Publication number
ES362575A1
ES362575A1 ES362575A ES362575A ES362575A1 ES 362575 A1 ES362575 A1 ES 362575A1 ES 362575 A ES362575 A ES 362575A ES 362575 A ES362575 A ES 362575A ES 362575 A1 ES362575 A1 ES 362575A1
Authority
ES
Spain
Prior art keywords
seconds
particles
rare earth
coercive force
water
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
ES362575A
Other languages
English (en)
Spanish (es)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of ES362575A1 publication Critical patent/ES362575A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F3/00—Brightening metals by chemical means
    • C23F3/04—Heavy metals
    • C23F3/06—Heavy metals with acidic solutions
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • 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
    • H01F1/06—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 in the form of particles, e.g. powder

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
ES362575A 1968-01-31 1969-01-16 Procedimiento para la produccion de un compuesto terreo raro de cobalto para imanes permanentes. Expired ES362575A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70184068A 1968-01-31 1968-01-31

Publications (1)

Publication Number Publication Date
ES362575A1 true ES362575A1 (es) 1970-11-01

Family

ID=24818894

Family Applications (1)

Application Number Title Priority Date Filing Date
ES362575A Expired ES362575A1 (es) 1968-01-31 1969-01-16 Procedimiento para la produccion de un compuesto terreo raro de cobalto para imanes permanentes.

Country Status (7)

Country Link
US (1) US3558372A (it)
BE (1) BE726341A (it)
DE (1) DE1901056A1 (it)
ES (1) ES362575A1 (it)
FR (1) FR2001038A1 (it)
GB (1) GB1210332A (it)
NL (1) NL6900668A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2054929A1 (de) * 1970-11-07 1972-05-10 Elektro Physik Hans Nix U Dr I Magnetischer Dickenmesser
US3900749A (en) * 1974-04-02 1975-08-19 Hmw Industries Permanent magnet generator
US5186765A (en) * 1989-07-31 1993-02-16 Kabushiki Kaisha Toshiba Cold accumulating material and method of manufacturing the same
US6994755B2 (en) * 2002-04-29 2006-02-07 University Of Dayton Method of improving toughness of sintered RE-Fe-B-type, rare earth permanent magnets
US6966953B2 (en) * 2002-04-29 2005-11-22 University Of Dayton Modified sintered RE-Fe-B-type, rare earth permanent magnets with improved toughness
US20060054245A1 (en) * 2003-12-31 2006-03-16 Shiqiang Liu Nanocomposite permanent magnets
CN1985338A (zh) * 2004-06-30 2007-06-20 代顿大学 各向异性的纳米复合稀土永磁体及其制造方法

Also Published As

Publication number Publication date
NL6900668A (it) 1969-08-04
GB1210332A (en) 1970-10-28
BE726341A (it) 1969-05-29
DE1901056A1 (de) 1969-08-28
US3558372A (en) 1971-01-26
FR2001038A1 (it) 1969-09-19

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