FR1099221A - Process for the production of magnetizable powders and permanent magnets obtained from these powders - Google Patents

Process for the production of magnetizable powders and permanent magnets obtained from these powders

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Publication number
FR1099221A
FR1099221A FR1099221DA FR1099221A FR 1099221 A FR1099221 A FR 1099221A FR 1099221D A FR1099221D A FR 1099221DA FR 1099221 A FR1099221 A FR 1099221A
Authority
FR
France
Prior art keywords
powders
production
permanent magnets
magnetizable
magnets obtained
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.)
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Original Assignee
Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
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 Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU filed Critical Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU
Application granted granted Critical
Publication of FR1099221A publication Critical patent/FR1099221A/en
Expired legal-status Critical Current

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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
    • H01F1/04—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
    • H01F1/065—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 obtained by a reduction
    • 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
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
    • B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
FR1099221D 1953-03-17 1954-03-15 Process for the production of magnetizable powders and permanent magnets obtained from these powders Expired FR1099221A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1099221X 1953-03-17

Publications (1)

Publication Number Publication Date
FR1099221A true FR1099221A (en) 1955-08-31

Family

ID=10873943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1099221D Expired FR1099221A (en) 1953-03-17 1954-03-15 Process for the production of magnetizable powders and permanent magnets obtained from these powders

Country Status (1)

Country Link
FR (1) FR1099221A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041727A1 (en) * 1980-06-11 1981-12-16 Hitachi Maxell Ltd. Process for preparing ferromagnetic particles comprising metallic iron
EP0148634A2 (en) * 1983-12-27 1985-07-17 Toda Kogyo Corp. Ferromagnetic alloy particles for magnetic recording media and process for their manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041727A1 (en) * 1980-06-11 1981-12-16 Hitachi Maxell Ltd. Process for preparing ferromagnetic particles comprising metallic iron
EP0148634A2 (en) * 1983-12-27 1985-07-17 Toda Kogyo Corp. Ferromagnetic alloy particles for magnetic recording media and process for their manufacture
EP0148634A3 (en) * 1983-12-27 1986-06-25 Toda Kogyo Corp Ferromagnetic alloy particles for magnetic recording media and process for their manufacture

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