IT1015238B - Materiali magnetici stabili all a ria e loro metodo di fabbricazione - Google Patents

Materiali magnetici stabili all a ria e loro metodo di fabbricazione

Info

Publication number
IT1015238B
IT1015238B IT24209/74A IT2420974A IT1015238B IT 1015238 B IT1015238 B IT 1015238B IT 24209/74 A IT24209/74 A IT 24209/74A IT 2420974 A IT2420974 A IT 2420974A IT 1015238 B IT1015238 B IT 1015238B
Authority
IT
Italy
Prior art keywords
ria
manufacturing
magnetic materials
stable magnetic
stable
Prior art date
Application number
IT24209/74A
Other languages
English (en)
Italian (it)
Original Assignee
Gen Electric
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 US00372690A external-priority patent/US3856582A/en
Priority claimed from US00372688A external-priority patent/US3856581A/en
Priority claimed from US00372689A external-priority patent/US3853640A/en
Priority claimed from US00372691A external-priority patent/US3856580A/en
Application filed by Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1015238B publication Critical patent/IT1015238B/it

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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
    • C23C16/4417—Methods specially adapted for coating powder
    • 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
    • B22F1/17—Metallic particles coated with metal
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • 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
    • H01F1/0551—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0552—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 in the form of particles, e.g. rapid quenched powders or ribbon flakes with a protective layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Chemical Vapour Deposition (AREA)
IT24209/74A 1973-06-22 1974-06-20 Materiali magnetici stabili all a ria e loro metodo di fabbricazione IT1015238B (it)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US00372690A US3856582A (en) 1973-06-22 1973-06-22 Fabrication of matrix bonded transition metal-rare earth alloy magnets
US00372688A US3856581A (en) 1973-06-22 1973-06-22 Annealing air-stable magnetic materials having superior magnetic characteristics and method
US00372689A US3853640A (en) 1973-06-22 1973-06-22 Lubricants for pressing transition metal-rare earth powder to be sintered
US00372691A US3856580A (en) 1973-06-22 1973-06-22 Air-stable magnetic materials and method

Publications (1)

Publication Number Publication Date
IT1015238B true IT1015238B (it) 1977-05-10

Family

ID=27503095

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24209/74A IT1015238B (it) 1973-06-22 1974-06-20 Materiali magnetici stabili all a ria e loro metodo di fabbricazione

Country Status (5)

Country Link
JP (1) JPS5036999A (OSRAM)
DE (1) DE2429600A1 (OSRAM)
FR (1) FR2234385A1 (OSRAM)
IT (1) IT1015238B (OSRAM)
NL (1) NL7408372A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5249500A (en) * 1975-10-18 1977-04-20 Hitachi Maxell Ltd Mnbi alloy magnetic material with excellent oxidation stability
JPS59110775A (ja) * 1982-12-13 1984-06-26 Koujiyundo Kagaku Kenkyusho:Kk 金属膜形成方法
JPS6066896A (ja) * 1983-09-16 1985-04-17 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 基体に金属銅を付着するための方法
US4720560A (en) * 1984-10-25 1988-01-19 Morton Thiokol, Inc. Hybrid organometallic compounds, particularly for metal organic chemical vapor deposition
FI861898A7 (fi) * 1986-05-07 1987-11-08 Outokumpu Oy Menetelmä metallikappaleiden käsittelemiseksi.
JP2003100509A (ja) * 2001-09-27 2003-04-04 Nec Tokin Corp 磁気コア及びそれを用いたインダクタンス部品

Also Published As

Publication number Publication date
NL7408372A (OSRAM) 1974-12-24
FR2234385A1 (en) 1975-01-17
JPS5036999A (OSRAM) 1975-04-07
DE2429600A1 (de) 1975-01-16
FR2234385B3 (OSRAM) 1977-04-22

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