JPS5989401A - 永久磁石 - Google Patents

永久磁石

Info

Publication number
JPS5989401A
JPS5989401A JP57200204A JP20020482A JPS5989401A JP S5989401 A JPS5989401 A JP S5989401A JP 57200204 A JP57200204 A JP 57200204A JP 20020482 A JP20020482 A JP 20020482A JP S5989401 A JPS5989401 A JP S5989401A
Authority
JP
Japan
Prior art keywords
less
permanent magnet
page
elements
additive
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
JP57200204A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0232761B2 (enExample
Inventor
Masato Sagawa
眞人 佐川
Setsuo Fujimura
藤村　節夫
Yutaka Matsuura
裕 松浦
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.)
Proterial Ltd
Original Assignee
Sumitomo Special Metals 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
Priority to JP57200204A priority Critical patent/JPS5989401A/ja
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Priority to CA000431730A priority patent/CA1316375C/en
Priority to DE8383106573T priority patent/DE3380376D1/de
Priority to DE198383106573T priority patent/DE101552T1/de
Priority to EP83106573A priority patent/EP0101552B2/en
Publication of JPS5989401A publication Critical patent/JPS5989401A/ja
Priority to US07/013,165 priority patent/US4770723A/en
Priority to US07/224,411 priority patent/US5096512A/en
Priority to SG48490A priority patent/SG48490G/en
Publication of JPH0232761B2 publication Critical patent/JPH0232761B2/ja
Priority to HK682/90A priority patent/HK68290A/en
Priority to US07/876,902 priority patent/US5194098A/en
Priority to US07/877,400 priority patent/US5183516A/en
Priority to US08/194,647 priority patent/US5466308A/en
Priority to US08/485,183 priority patent/US5645651A/en
Priority to US08/848,283 priority patent/US5766372A/en
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
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
    • 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
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • 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)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
JP57200204A 1982-08-21 1982-11-15 永久磁石 Granted JPS5989401A (ja)

Priority Applications (14)

Application Number Priority Date Filing Date Title
JP57200204A JPS5989401A (ja) 1982-11-15 1982-11-15 永久磁石
CA000431730A CA1316375C (en) 1982-08-21 1983-07-04 Magnetic materials and permanent magnets
DE8383106573T DE3380376D1 (en) 1982-08-21 1983-07-05 Magnetic materials, permanent magnets and methods of making those
DE198383106573T DE101552T1 (de) 1982-08-21 1983-07-05 Magnetische materialien und permanente magnete.
EP83106573A EP0101552B2 (en) 1982-08-21 1983-07-05 Magnetic materials, permanent magnets and methods of making those
US07/013,165 US4770723A (en) 1982-08-21 1987-02-10 Magnetic materials and permanent magnets
US07/224,411 US5096512A (en) 1982-08-21 1988-07-26 Magnetic materials and permanent magnets
SG48490A SG48490G (en) 1982-08-21 1990-07-02 Magnetic materials,permanent magnets and methods of making those
HK682/90A HK68290A (en) 1982-08-21 1990-08-30 Magnetic materials, permanent magnets and methods of making those
US07/876,902 US5194098A (en) 1982-08-21 1992-04-30 Magnetic materials
US07/877,400 US5183516A (en) 1982-08-21 1992-04-30 Magnetic materials and permanent magnets
US08/194,647 US5466308A (en) 1982-08-21 1994-02-10 Magnetic precursor materials for making permanent magnets
US08/485,183 US5645651A (en) 1982-08-21 1995-06-07 Magnetic materials and permanent magnets
US08/848,283 US5766372A (en) 1982-08-21 1997-04-29 Method of making magnetic precursor for permanent magnets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57200204A JPS5989401A (ja) 1982-11-15 1982-11-15 永久磁石

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP62329640A Division JPS63241141A (ja) 1987-12-28 1987-12-28 強磁性合金

Publications (2)

Publication Number Publication Date
JPS5989401A true JPS5989401A (ja) 1984-05-23
JPH0232761B2 JPH0232761B2 (enExample) 1990-07-23

Family

ID=16420528

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57200204A Granted JPS5989401A (ja) 1982-08-21 1982-11-15 永久磁石

Country Status (1)

Country Link
JP (1) JPS5989401A (enExample)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204862A (ja) * 1984-03-28 1985-10-16 Toshiba Corp 希土類鉄系永久磁石合金
JPS6181604A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法
JPS61147504A (ja) * 1984-11-30 1986-07-05 Tohoku Metal Ind Ltd 希土類磁石
JPS61147503A (ja) * 1984-11-30 1986-07-05 Tohoku Metal Ind Ltd 希土類磁石
JPS61227150A (ja) * 1985-03-30 1986-10-09 Toshiba Corp 永久磁石合金及び永久磁石の製造方法
JPS6393841A (ja) * 1986-10-04 1988-04-25 Shin Etsu Chem Co Ltd 希土類永久磁石合金用組成物
US4814139A (en) * 1986-01-16 1989-03-21 Hitachi Metals, Ltd. Permanent magnet having good thermal stability and method for manufacturing same
US4888068A (en) * 1984-10-05 1989-12-19 Hitachi Metals, Ltd. Process for manufacturing permanent magnet
US4959273A (en) * 1988-09-20 1990-09-25 Sumitomo Special Metals Co., Ltd. Corrosion-resistant permanent magnet and method for preparing the same
US5049208A (en) * 1987-07-30 1991-09-17 Tdk Corporation Permanent magnets
JPH05226131A (ja) * 1992-10-15 1993-09-03 Daido Steel Co Ltd 永久磁石用粉末および永久磁石
US6319336B1 (en) 1998-07-29 2001-11-20 Dowa Mining Co., Ltd. Permanent magnet alloy having improved heat resistance and process for production thereof
US6833036B2 (en) 2001-06-29 2004-12-21 Tdk Corporation Rare earth permanent magnet
DE112006000070T5 (de) 2005-07-15 2008-08-14 Hitachi Metals, Ltd. Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung
WO2008139556A1 (ja) 2007-05-02 2008-11-20 Hitachi Metals, Ltd. Ｒ－ｔ－ｂ系焼結磁石
WO2008139559A1 (ja) 2007-05-02 2008-11-20 Hitachi Metals, Ltd. Ｒ－ｔ－ｂ系焼結磁石
WO2009150843A1 (ja) 2008-06-13 2009-12-17 日立金属株式会社 Ｒ－Ｔ－Ｃｕ－Ｍｎ－Ｂ系焼結磁石
US8545641B2 (en) 2004-07-01 2013-10-01 Intermetallics Co., Ltd. Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60204862A (ja) * 1984-03-28 1985-10-16 Toshiba Corp 希土類鉄系永久磁石合金
JPS6181604A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法
US4888068A (en) * 1984-10-05 1989-12-19 Hitachi Metals, Ltd. Process for manufacturing permanent magnet
JPS61147504A (ja) * 1984-11-30 1986-07-05 Tohoku Metal Ind Ltd 希土類磁石
JPS61147503A (ja) * 1984-11-30 1986-07-05 Tohoku Metal Ind Ltd 希土類磁石
JPS61227150A (ja) * 1985-03-30 1986-10-09 Toshiba Corp 永久磁石合金及び永久磁石の製造方法
US5041172A (en) * 1986-01-16 1991-08-20 Hitachi Metals, Ltd. Permanent magnet having good thermal stability and method for manufacturing same
US4814139A (en) * 1986-01-16 1989-03-21 Hitachi Metals, Ltd. Permanent magnet having good thermal stability and method for manufacturing same
JPS6393841A (ja) * 1986-10-04 1988-04-25 Shin Etsu Chem Co Ltd 希土類永久磁石合金用組成物
US5049208A (en) * 1987-07-30 1991-09-17 Tdk Corporation Permanent magnets
US4959273A (en) * 1988-09-20 1990-09-25 Sumitomo Special Metals Co., Ltd. Corrosion-resistant permanent magnet and method for preparing the same
JPH05226131A (ja) * 1992-10-15 1993-09-03 Daido Steel Co Ltd 永久磁石用粉末および永久磁石
US6319336B1 (en) 1998-07-29 2001-11-20 Dowa Mining Co., Ltd. Permanent magnet alloy having improved heat resistance and process for production thereof
US6833036B2 (en) 2001-06-29 2004-12-21 Tdk Corporation Rare earth permanent magnet
US8545641B2 (en) 2004-07-01 2013-10-01 Intermetallics Co., Ltd. Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy
DE112006000070T5 (de) 2005-07-15 2008-08-14 Hitachi Metals, Ltd. Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung
US9551052B2 (en) 2005-07-15 2017-01-24 Hitachi Metals, Ltd. Rare earth sintered magnet and method for production thereof
DE112006000070B4 (de) 2005-07-15 2024-12-05 Hitachi, Ltd. Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung
WO2008139556A1 (ja) 2007-05-02 2008-11-20 Hitachi Metals, Ltd. Ｒ－ｔ－ｂ系焼結磁石
WO2008139559A1 (ja) 2007-05-02 2008-11-20 Hitachi Metals, Ltd. Ｒ－ｔ－ｂ系焼結磁石
WO2009150843A1 (ja) 2008-06-13 2009-12-17 日立金属株式会社 Ｒ－Ｔ－Ｃｕ－Ｍｎ－Ｂ系焼結磁石

Also Published As

Publication number Publication date
JPH0232761B2 (enExample) 1990-07-23

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