FR1092081A - Process for the manufacture of permanent magnets by compression of pulverulent isotropic substances - Google Patents

Process for the manufacture of permanent magnets by compression of pulverulent isotropic substances

Info

Publication number
FR1092081A
FR1092081A FR1092081DA FR1092081A FR 1092081 A FR1092081 A FR 1092081A FR 1092081D A FR1092081D A FR 1092081DA FR 1092081 A FR1092081 A FR 1092081A
Authority
FR
France
Prior art keywords
pulverulent
compression
manufacture
permanent magnets
isotropic substances
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
Other languages
French (fr)
Inventor
Max Baermann
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 filed Critical
Application granted granted Critical
Publication of FR1092081A publication Critical patent/FR1092081A/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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/12—Both compacting and sintering
    • 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
    • H01F1/113—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 in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0273—Imparting anisotropy
FR1092081D 1953-02-06 1954-01-28 Process for the manufacture of permanent magnets by compression of pulverulent isotropic substances Expired FR1092081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE329182X 1953-02-06

Publications (1)

Publication Number Publication Date
FR1092081A true FR1092081A (en) 1955-04-18

Family

ID=6186794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1092081D Expired FR1092081A (en) 1953-02-06 1954-01-28 Process for the manufacture of permanent magnets by compression of pulverulent isotropic substances

Country Status (3)

Country Link
CH (1) CH329182A (en)
FR (1) FR1092081A (en)
GB (1) GB750537A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1263195B (en) * 1962-04-24 1968-03-14 Magnetfab Bonn Gmbh Process for the production of anisotropic permanent magnets from powdered magnetic material
US3849213A (en) * 1966-09-01 1974-11-19 M Baermann Method of producing a molded anisotropic permanent magnet
DE102012208362A1 (en) * 2012-05-18 2013-11-21 Siemens Aktiengesellschaft Process for producing a permanent magnet

Also Published As

Publication number Publication date
CH329182A (en) 1958-04-15
GB750537A (en) 1956-06-20

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