DE3786426T2 - Dauermagnet und Dauermagnetlegierung. - Google Patents

Dauermagnet und Dauermagnetlegierung.

Info

Publication number
DE3786426T2
DE3786426T2 DE87103413T DE3786426T DE3786426T2 DE 3786426 T2 DE3786426 T2 DE 3786426T2 DE 87103413 T DE87103413 T DE 87103413T DE 3786426 T DE3786426 T DE 3786426T DE 3786426 T2 DE3786426 T2 DE 3786426T2
Authority
DE
Germany
Prior art keywords
permanent magnet
alloy
magnet alloy
permanent
magnet
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 - Lifetime
Application number
DE87103413T
Other languages
English (en)
Other versions
DE3786426D1 (de
Inventor
Akihiko Tsutai
Isao Sakai
Tetsuhiko Mizoguchi
Koichiro Inomata
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP61134783A external-priority patent/JPS62291902A/ja
Priority claimed from JP61161956A external-priority patent/JPS6318602A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3786426D1 publication Critical patent/DE3786426D1/de
Publication of DE3786426T2 publication Critical patent/DE3786426T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • 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
    • H01F1/047—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
    • H01F1/0578—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 bonded together

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
DE87103413T 1986-06-12 1987-03-10 Dauermagnet und Dauermagnetlegierung. Expired - Lifetime DE3786426T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13478186 1986-06-12
JP61134783A JPS62291902A (ja) 1986-06-12 1986-06-12 永久磁石の製造方法
JP61161956A JPS6318602A (ja) 1986-07-11 1986-07-11 希土類鉄系永久磁石の製造方法

Publications (2)

Publication Number Publication Date
DE3786426D1 DE3786426D1 (de) 1993-08-12
DE3786426T2 true DE3786426T2 (de) 1993-12-09

Family

ID=27316953

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87103413T Expired - Lifetime DE3786426T2 (de) 1986-06-12 1987-03-10 Dauermagnet und Dauermagnetlegierung.

Country Status (4)

Country Link
US (1) US4935075A (de)
EP (1) EP0248981B1 (de)
KR (1) KR880000992A (de)
DE (1) DE3786426T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223047A (en) * 1986-07-23 1993-06-29 Hitachi Metals, Ltd. Permanent magnet with good thermal stability
DE3750661T2 (de) * 1986-07-23 1995-04-06 Hitachi Metals Ltd Dauermagnet mit guter thermischer Stabilität.
US5230751A (en) * 1986-07-23 1993-07-27 Hitachi Metals, Ltd. Permanent magnet with good thermal stability
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
KR900006533B1 (ko) 1987-01-06 1990-09-07 히다찌 긴조꾸 가부시끼가이샤 이방성 자성분말과 이의 자석 및 이의 제조방법
JPH01257308A (ja) * 1987-09-09 1989-10-13 Hitachi Metals Ltd ボイスコイルモーター用磁石
JPS6472502A (en) * 1987-09-11 1989-03-17 Hitachi Metals Ltd Permanent magnet for accelerating particle beam
US4975213A (en) * 1988-01-19 1990-12-04 Kabushiki Kaisha Toshiba Resin-bonded rare earth-iron-boron magnet
DE69009335T2 (de) * 1989-07-31 1994-11-03 Mitsubishi Materials Corp Seltenerdpulver für Dauermagnet, Herstellungsverfahren und Verbundmagnet.
JPH04337604A (ja) * 1991-05-14 1992-11-25 Seiko Instr Inc 希土類鉄系永久磁石
US5472525A (en) * 1993-01-29 1995-12-05 Hitachi Metals, Ltd. Nd-Fe-B system permanent magnet
DE69822798T2 (de) 1997-02-06 2004-08-05 Sumitomo Special Metals Co., Ltd. Herstellungsverfahren für ein dünne magnetscheibe mit mikrokristalline struktur
US6329894B1 (en) * 1997-02-14 2001-12-11 Sumitomo Special Metals Co., Ltd. Thin plate magnet having microcrystalline structure
DE69837590T2 (de) * 1997-06-26 2007-10-04 Neomax Co., Ltd. Verfahren zur herstellung von laminierten dauermagneten
WO2004081954A1 (ja) * 2003-03-12 2004-09-23 Neomax Co., Ltd. Ｒ－ｔ－ｂ系焼結磁石およびその製造方法
WO2005015580A1 (ja) * 2003-08-12 2005-02-17 Neomax Co., Ltd. Ｒ－ｔ－ｂ系焼結磁石および希土類合金
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
JP2010182827A (ja) * 2009-02-04 2010-08-19 Toyota Motor Corp 高保磁力ＮｄＦｅＢＧａ磁石の製造法
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
JP5767788B2 (ja) * 2010-06-29 2015-08-19 昭和電工株式会社 Ｒ−ｔ−ｂ系希土類永久磁石、モーター、自動車、発電機、風力発電装置
CN105895355B (zh) * 2016-04-22 2017-10-13 横店集团东磁股份有限公司 一种高性能小规格高厚比电镀粘结磁体的制备工艺

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533408A (en) * 1981-10-23 1985-08-06 Koon Norman C Preparation of hard magnetic alloys of a transition metal and lanthanide
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
EP0108474B2 (de) * 1982-09-03 1995-06-21 General Motors Corporation RE-TM-B Legierungen, deren Herstellung und permanent Magnete die solche Legierungen enthalten
DE3379084D1 (en) * 1982-09-27 1989-03-02 Sumitomo Spec Metals Permanently magnetizable alloys, magnetic materials and permanent magnets comprising febr or (fe,co)br (r=vave earth)
CA1216623A (en) * 1983-05-09 1987-01-13 John J. Croat Bonded rare earth-iron magnets
JPS59219904A (ja) * 1983-05-30 1984-12-11 Sumitomo Special Metals Co Ltd ボンド磁石の製造方法およびボンド磁石用材料の製造方法
JPS60224755A (ja) * 1984-04-20 1985-11-09 Seiko Epson Corp 永久磁石合金
JPS60224757A (ja) * 1984-04-23 1985-11-09 Seiko Epson Corp 永久磁石合金
JPS60224761A (ja) * 1984-04-23 1985-11-09 Seiko Epson Corp 永久磁石合金
JPS60224756A (ja) * 1984-04-23 1985-11-09 Seiko Epson Corp 永久磁石合金
JPH066776B2 (ja) * 1984-05-14 1994-01-26 セイコーエプソン株式会社 希土類永久磁石
JPH062930B2 (ja) * 1984-05-14 1994-01-12 セイコーエプソン株式会社 希土類永久磁石
JPS6139507A (ja) * 1984-07-30 1986-02-25 Seiko Instr & Electronics Ltd ネオジム鉄系永久磁石
DE3577618D1 (de) * 1984-09-14 1990-06-13 Toshiba Kawasaki Kk Permanentmagnetische legierung und methode zu ihrer herstellung.
JPH0685369B2 (ja) * 1985-05-17 1994-10-26 日立金属株式会社 永久磁石の製造方法
EP0216254B1 (de) * 1985-09-10 1991-01-02 Kabushiki Kaisha Toshiba Dauermagnet

Also Published As

Publication number Publication date
EP0248981A2 (de) 1987-12-16
DE3786426D1 (de) 1993-08-12
EP0248981B1 (de) 1993-07-07
US4935075A (en) 1990-06-19
KR880000992A (ko) 1988-03-30
EP0248981A3 (en) 1989-04-12

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