JPS57130404A - Permanent magnet - Google Patents

Permanent magnet

Info

Publication number
JPS57130404A
JPS57130404A JP56015932A JP1593281A JPS57130404A JP S57130404 A JPS57130404 A JP S57130404A JP 56015932 A JP56015932 A JP 56015932A JP 1593281 A JP1593281 A JP 1593281A JP S57130404 A JPS57130404 A JP S57130404A
Authority
JP
Japan
Prior art keywords
powder
composition
permanent magnet
addition
sulfuric
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
JP56015932A
Other languages
Japanese (ja)
Other versions
JPH0123923B2 (en
Inventor
Takashi Furuya
Takeshi Anpo
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP56015932A priority Critical patent/JPS57130404A/en
Publication of JPS57130404A publication Critical patent/JPS57130404A/en
Publication of JPH0123923B2 publication Critical patent/JPH0123923B2/ja
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
    • H01F1/032—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
    • H01F1/08—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 pressed, sintered, or bound together
    • H01F1/086—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 pressed, sintered, or bound together sintered

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)

Abstract

PURPOSE:To improve sintering density by a method wherein particular dose sulfur or sulfuric compound powder is mixed as S with alloy powder and molded to sinter in a permanent magnet sintered by alloy of Fe-Cr-Co having specific ratio of composition. CONSTITUTION:A permanent magnet is obtained by mixing 0.01-1.0% of sulfuric simple substance or sulfuric compound as S with the alloy powder which contains 15-40% Cr and 5-30% of Co including Fe and impurities in the remaining part thereof. Addition of such as S powder can provide high sintering density with improvement of machineability and excellent magnetic characteristic. Further addition of 0.05-0.3% of Si to said composition can facilitate the solution heat treatment. in addition to said composition or in place of Si in said composition, 0.03-0.5% of boron or boric compound is mixed as B for further improvement of sintering density with prevention for formability deterioration by mixing S powder.
JP56015932A 1981-02-04 1981-02-04 Permanent magnet Granted JPS57130404A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56015932A JPS57130404A (en) 1981-02-04 1981-02-04 Permanent magnet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56015932A JPS57130404A (en) 1981-02-04 1981-02-04 Permanent magnet

Publications (2)

Publication Number Publication Date
JPS57130404A true JPS57130404A (en) 1982-08-12
JPH0123923B2 JPH0123923B2 (en) 1989-05-09

Family

ID=11902540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56015932A Granted JPS57130404A (en) 1981-02-04 1981-02-04 Permanent magnet

Country Status (1)

Country Link
JP (1) JPS57130404A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015068401A1 (en) * 2013-11-07 2015-05-14 株式会社 東芝 Magnetic material, permanent magnet, motor, and power generator

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03112519A (en) * 1989-09-28 1991-05-14 Matsushita Electric Ind Co Ltd Water boiling served also as temperature holding unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534638A (en) * 1978-08-30 1980-03-11 Hitachi Metals Ltd Fe-cr-co type magnet alloy
JPS5576047A (en) * 1978-12-05 1980-06-07 Mitsubishi Steel Mfg Co Ltd Sintered fe-cr-co type magnet alloy

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5534638A (en) * 1978-08-30 1980-03-11 Hitachi Metals Ltd Fe-cr-co type magnet alloy
JPS5576047A (en) * 1978-12-05 1980-06-07 Mitsubishi Steel Mfg Co Ltd Sintered fe-cr-co type magnet alloy

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015068401A1 (en) * 2013-11-07 2015-05-14 株式会社 東芝 Magnetic material, permanent magnet, motor, and power generator
CN104769685A (en) * 2013-11-07 2015-07-08 株式会社东芝 Magnetic material, permanent magnet, motor, and power generator
JP5908647B2 (en) * 2013-11-07 2016-04-26 株式会社東芝 Magnet materials, permanent magnets, motors, and generators
CN104769685B (en) * 2013-11-07 2017-05-10 株式会社东芝 Magnetic material, permanent magnet, motor, and power generator
US10361020B2 (en) 2013-11-07 2019-07-23 Kabushiki Kaisha Toshiba Magnet material, permanent magnet, motor, and power generator
US11114224B2 (en) 2013-11-07 2021-09-07 Kabushiki Kaisha Toshiba Magnet material, permanent magnet, motor, and power generator

Also Published As

Publication number Publication date
JPH0123923B2 (en) 1989-05-09

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