FR2381584A1 - POWDER FOR THE METALLURGIC MANUFACTURE OF POWDERS, SOFT MAGNETIC CONSTITUENTS - Google Patents

POWDER FOR THE METALLURGIC MANUFACTURE OF POWDERS, SOFT MAGNETIC CONSTITUENTS

Info

Publication number
FR2381584A1
FR2381584A1 FR7805419A FR7805419A FR2381584A1 FR 2381584 A1 FR2381584 A1 FR 2381584A1 FR 7805419 A FR7805419 A FR 7805419A FR 7805419 A FR7805419 A FR 7805419A FR 2381584 A1 FR2381584 A1 FR 2381584A1
Authority
FR
France
Prior art keywords
powder
powders
soft magnetic
less
magnetic constituents
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.)
Granted
Application number
FR7805419A
Other languages
French (fr)
Other versions
FR2381584B1 (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.)
Hoganas AB
Original Assignee
Hoganas AB
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 Hoganas AB filed Critical Hoganas AB
Publication of FR2381584A1 publication Critical patent/FR2381584A1/en
Application granted granted Critical
Publication of FR2381584B1 publication Critical patent/FR2381584B1/fr
Granted 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
    • H01F1/12—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 soft-magnetic materials
    • H01F1/14—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 soft-magnetic materials metals or alloys
    • H01F1/20—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 soft-magnetic materials metals or alloys in the form of particles, e.g. powder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C22C33/0214—Using a mixture of prealloyed powders or a master alloy comprising P or a phosphorus compound

Abstract

a. Poudre pour la fabrication métallurgique de poudres de constituants magnétiques doux. b. Poudre caractérisée en ce qu'elle comprend une poudre de fer hautement pure, dans laquelle la plus grande partie de la poudre possède une taille de particules comprise entre 35 et 100 mesh Tyler (417 et 147 microns), moins de 5 % de la poudre possède une taille de particules excédant 35 mesh Tyler (417 microns) et moins de 20 % de préférence moins de 10 % de la poudre possède une taille de particules inférieure à 100 mesh Tyler (147 microns) et en ce que la poudre contient une addition d'alliage allant jusqu'à 1,5 % et de préférence comprise entre 0,15 et 1,0 % de phosphore.at. Powder for the metallurgical manufacture of powders of soft magnetic constituents. b. Powder characterized in that it comprises a highly pure iron powder, in which most of the powder has a particle size of between 35 and 100 Tyler mesh (417 and 147 microns), less than 5% of the powder has a particle size exceeding 35 Tyler mesh (417 microns) and less than 20% preferably less than 10% of the powder has a particle size less than 100 Tyler mesh (147 microns) and in that the powder contains an addition alloy ranging up to 1.5% and preferably between 0.15 and 1.0% phosphorus.

FR7805419A 1977-02-25 1978-02-24 POWDER FOR THE METALLURGIC MANUFACTURE OF POWDERS, SOFT MAGNETIC CONSTITUENTS Granted FR2381584A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7702084A SE407641B (en) 1977-02-25 1977-02-25 POWDER INTENDED FOR POWDER METALLURGIC MANUFACTURE OF SOFT MAGNETIC PRODUCTS

Publications (2)

Publication Number Publication Date
FR2381584A1 true FR2381584A1 (en) 1978-09-22
FR2381584B1 FR2381584B1 (en) 1983-01-14

Family

ID=20330554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805419A Granted FR2381584A1 (en) 1977-02-25 1978-02-24 POWDER FOR THE METALLURGIC MANUFACTURE OF POWDERS, SOFT MAGNETIC CONSTITUENTS

Country Status (8)

Country Link
JP (1) JPS53127310A (en)
CA (1) CA1100788A (en)
DE (1) DE2807602C2 (en)
ES (1) ES467302A1 (en)
FR (1) FR2381584A1 (en)
GB (1) GB1599081A (en)
IT (1) IT1101808B (en)
SE (1) SE407641B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011989A1 (en) * 1978-11-27 1980-06-11 Allegheny Ludlum Steel Corporation Phosphorus-iron powder and method of producing soft magnetic material therefrom

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10020083A1 (en) * 2000-04-22 2001-10-31 Bosch Gmbh Robert Sintered soft magnetic material and process for its production

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679413A (en) * 1950-03-04 1952-09-17 Metro Cutanit Ltd Improvements relating to magnetic material with good electrical conductivity
DE2118053A1 (en) * 1971-04-14 1972-10-26 Brown, Boveri & Cie AG, 6800 Mann heim Earth core for choke made from a mixture of ferromagnetic powder and insulating material binder
FR2183069A1 (en) * 1972-05-02 1973-12-14 Hoeganaes Ab
DE2535377A1 (en) * 1975-08-08 1977-02-24 Huettermann Sintered iron element absorbing vibration and noise - esp. for mounting brake shoes in motor vehicle disc brakes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4845472A (en) * 1971-10-13 1973-06-29
JPS518368A (en) * 1974-07-09 1976-01-23 Noryuki Ikeda Burashiruino seizoho
JPS5442644A (en) * 1977-09-09 1979-04-04 Nippon Electric Co Method of positioning electrodes of laminated condenser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679413A (en) * 1950-03-04 1952-09-17 Metro Cutanit Ltd Improvements relating to magnetic material with good electrical conductivity
DE2118053A1 (en) * 1971-04-14 1972-10-26 Brown, Boveri & Cie AG, 6800 Mann heim Earth core for choke made from a mixture of ferromagnetic powder and insulating material binder
FR2183069A1 (en) * 1972-05-02 1973-12-14 Hoeganaes Ab
DE2535377A1 (en) * 1975-08-08 1977-02-24 Huettermann Sintered iron element absorbing vibration and noise - esp. for mounting brake shoes in motor vehicle disc brakes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011989A1 (en) * 1978-11-27 1980-06-11 Allegheny Ludlum Steel Corporation Phosphorus-iron powder and method of producing soft magnetic material therefrom

Also Published As

Publication number Publication date
SE7702084L (en) 1978-08-26
GB1599081A (en) 1981-09-30
SE407641B (en) 1979-04-02
IT7848186A0 (en) 1978-02-24
DE2807602C2 (en) 1986-10-16
DE2807602A1 (en) 1978-10-19
FR2381584B1 (en) 1983-01-14
ES467302A1 (en) 1979-11-01
CA1100788A (en) 1981-05-12
JPS53127310A (en) 1978-11-07
IT1101808B (en) 1985-10-07
JPS6323241B2 (en) 1988-05-16

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Legal Events

Date Code Title Description
ST Notification of lapse