JP2586198B2 - 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石 - Google Patents

磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石

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Publication number
JP2586198B2
JP2586198B2 JP2256704A JP25670490A JP2586198B2 JP 2586198 B2 JP2586198 B2 JP 2586198B2 JP 2256704 A JP2256704 A JP 2256704A JP 25670490 A JP25670490 A JP 25670490A JP 2586198 B2 JP2586198 B2 JP 2586198B2
Authority
JP
Japan
Prior art keywords
permanent magnet
recrystallized
magnet powder
corrosion resistance
magnetic anisotropy
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 - Fee Related
Application number
JP2256704A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04133406A (ja
Inventor
亮治 中山
拓夫 武下
保 小川
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.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials Corp
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 Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Priority to JP2256704A priority Critical patent/JP2586198B2/ja
Priority to US07/763,432 priority patent/US5250206A/en
Priority to EP91116115A priority patent/EP0477810B1/en
Priority to DE69108829T priority patent/DE69108829T2/de
Priority to KR1019910016704A priority patent/KR100204256B1/ko
Publication of JPH04133406A publication Critical patent/JPH04133406A/ja
Application granted granted Critical
Publication of JP2586198B2 publication Critical patent/JP2586198B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
JP2256704A 1990-09-26 1990-09-26 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石 Expired - Fee Related JP2586198B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2256704A JP2586198B2 (ja) 1990-09-26 1990-09-26 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石
US07/763,432 US5250206A (en) 1990-09-26 1991-09-19 Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom
EP91116115A EP0477810B1 (en) 1990-09-26 1991-09-23 R-Fe-B type permanent magnet powder and bonded magnet therefrom
DE69108829T DE69108829T2 (de) 1990-09-26 1991-09-23 Permanent magnetisierbares Puder vom R-Fe-B Typ und Verbundmagnet daraus.
KR1019910016704A KR100204256B1 (ko) 1990-09-26 1991-09-25 자기적 이방성 및 내식성이 우수한 희토류-에프이-비 계영구자석분말 및 접합자석

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2256704A JP2586198B2 (ja) 1990-09-26 1990-09-26 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石

Publications (2)

Publication Number Publication Date
JPH04133406A JPH04133406A (ja) 1992-05-07
JP2586198B2 true JP2586198B2 (ja) 1997-02-26

Family

ID=17296317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2256704A Expired - Fee Related JP2586198B2 (ja) 1990-09-26 1990-09-26 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石

Country Status (2)

Country Link
JP (1) JP2586198B2 (ko)
KR (1) KR100204256B1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6955729B2 (en) 2002-04-09 2005-10-18 Aichi Steel Corporation Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536514A (en) * 1995-05-11 1996-07-16 The Nutrasweet Company Carbohydrate/protein cream substitutes
US5849109A (en) * 1997-03-10 1998-12-15 Mitsubishi Materials Corporation Methods of producing rare earth alloy magnet powder with superior magnetic anisotropy
US6444052B1 (en) 1999-10-13 2002-09-03 Aichi Steel Corporation Production method of anisotropic rare earth magnet powder
JP4635832B2 (ja) * 2005-11-08 2011-02-23 日立金属株式会社 希土類焼結磁石の製造方法
DE112006000070T5 (de) 2005-07-15 2008-08-14 Hitachi Metals, Ltd. Seltenerdmetall-Sintermagnet und Verfahren zu seiner Herstellung
JP5235264B2 (ja) * 2005-08-11 2013-07-10 日立金属株式会社 希土類焼結磁石及びその製造方法
JP4645336B2 (ja) * 2005-07-15 2011-03-09 日立金属株式会社 希土類焼結磁石及びその製造方法
JP4687493B2 (ja) * 2006-02-16 2011-05-25 日立金属株式会社 希土類焼結磁石及びその製造方法
JP4972919B2 (ja) * 2005-12-02 2012-07-11 日立金属株式会社 希土類焼結磁石及びその製造方法
EP1970916B1 (en) * 2006-05-18 2015-04-01 Hitachi Metals, Ltd. R-Fe-B POROUS MAGNET AND METHOD FOR PRODUCING THE SAME
JP4924615B2 (ja) * 2006-11-30 2012-04-25 日立金属株式会社 Ｒ−Ｆｅ−Ｂ系微細結晶高密度磁石およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0778269B2 (ja) * 1983-05-31 1995-08-23 住友特殊金属株式会社 永久磁石用希土類・鉄・ボロン系正方晶化合物
JP2530641B2 (ja) * 1986-03-20 1996-09-04 日立金属株式会社 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法
JPH01103805A (ja) * 1987-07-30 1989-04-20 Tdk Corp 永久磁石
JPS6445103A (en) * 1987-08-13 1989-02-17 Tdk Corp Manufacture of rare earth alloy magnet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6955729B2 (en) 2002-04-09 2005-10-18 Aichi Steel Corporation Alloy for bonded magnets, isotropic magnet powder and anisotropic magnet powder and their production method, and bonded magnet

Also Published As

Publication number Publication date
KR100204256B1 (ko) 1999-06-15
KR920007007A (ko) 1992-04-28
JPH04133406A (ja) 1992-05-07

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