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GB1346498A - Process for the preparation of a permanently magnetizable powder - Google Patents

Process for the preparation of a permanently magnetizable powder

Info

Publication number
GB1346498A
GB1346498A GB1555071A GB1555071A GB1346498A GB 1346498 A GB1346498 A GB 1346498A GB 1555071 A GB1555071 A GB 1555071A GB 1555071 A GB1555071 A GB 1555071A GB 1346498 A GB1346498 A GB 1346498A
Authority
GB
United Kingdom
Prior art keywords
preparation
silica particles
permanently magnetizable
magnetizable powder
calcined
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
GB1555071A
Other languages
English (en)
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.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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 Stamicarbon BV filed Critical Stamicarbon BV
Publication of GB1346498A publication Critical patent/GB1346498A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/111—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a non-magnetic core
    • 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
    • H01F1/063—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 with a non magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Silicon Compounds (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
GB1555071A 1970-05-23 1971-05-18 Process for the preparation of a permanently magnetizable powder Expired GB1346498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7007497A NL166354C (nl) 1970-05-23 1970-05-23 Werkwijze voor het bereiden van een ten minste een van de metalen kobalt, nikkel en ijzer bevattend poeder.

Publications (1)

Publication Number Publication Date
GB1346498A true GB1346498A (en) 1974-02-13

Family

ID=19810142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1555071A Expired GB1346498A (en) 1970-05-23 1971-05-18 Process for the preparation of a permanently magnetizable powder

Country Status (8)

Country Link
JP (1) JPS5146277B1 (fr)
BE (1) BE767481A (fr)
CA (1) CA945459A (fr)
CH (1) CH556600A (fr)
DE (1) DE2125396A1 (fr)
FR (1) FR2093629A5 (fr)
GB (1) GB1346498A (fr)
NL (1) NL166354C (fr)

Also Published As

Publication number Publication date
DE2125396A1 (de) 1971-12-09
CA945459A (en) 1974-04-16
NL166354C (nl) 1981-07-15
NL166354B (nl) 1981-02-16
BE767481A (fr) 1971-11-22
FR2093629A5 (fr) 1972-01-28
CH556600A (de) 1974-11-29
JPS5146277B1 (fr) 1976-12-08
NL7007497A (fr) 1971-11-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee