FR856003A - Permanent magnet and method of making it - Google Patents

Permanent magnet and method of making it

Info

Publication number
FR856003A
FR856003A FR856003DA FR856003A FR 856003 A FR856003 A FR 856003A FR 856003D A FR856003D A FR 856003DA FR 856003 A FR856003 A FR 856003A
Authority
FR
France
Prior art keywords
making
permanent magnet
permanent
magnet
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR856003A publication Critical patent/FR856003A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
FR856003D 1938-12-06 1939-06-09 Permanent magnet and method of making it Expired FR856003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE856003X 1938-12-06

Publications (1)

Publication Number Publication Date
FR856003A true FR856003A (en) 1940-05-25

Family

ID=6789238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856003D Expired FR856003A (en) 1938-12-06 1939-06-09 Permanent magnet and method of making it

Country Status (1)

Country Link
FR (1) FR856003A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882614C (en) * 1953-05-28 Deutsche Edelstahlwerke Ag Permanent magnet alloy
DE759078C (en) * 1940-12-28 1953-08-17 Deutsche Edelstahlwerke Ag Process for treating permanent magnetic bodies made of hardenable magnetic alloys with a preferred magnetic layer
DE924163C (en) * 1942-01-25 1955-02-28 Max Baermann Process for the production of permanent magnet steel, suitable for press magnets
DE927104C (en) * 1941-01-17 1955-04-28 Deutsche Edelstahlwerke Ag Method and device for generating a preferred magnetic position on permanent magnets and permanent magnets of various designs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE882614C (en) * 1953-05-28 Deutsche Edelstahlwerke Ag Permanent magnet alloy
DE759078C (en) * 1940-12-28 1953-08-17 Deutsche Edelstahlwerke Ag Process for treating permanent magnetic bodies made of hardenable magnetic alloys with a preferred magnetic layer
DE927104C (en) * 1941-01-17 1955-04-28 Deutsche Edelstahlwerke Ag Method and device for generating a preferred magnetic position on permanent magnets and permanent magnets of various designs
DE924163C (en) * 1942-01-25 1955-02-28 Max Baermann Process for the production of permanent magnet steel, suitable for press magnets

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