DE3575232D1 - Verfahren zur herstellung eines permanentmagneten. - Google Patents

Verfahren zur herstellung eines permanentmagneten.

Info

Publication number
DE3575232D1
DE3575232D1 DE8585307158T DE3575232T DE3575232D1 DE 3575232 D1 DE3575232 D1 DE 3575232D1 DE 8585307158 T DE8585307158 T DE 8585307158T DE 3575232 T DE3575232 T DE 3575232T DE 3575232 D1 DE3575232 D1 DE 3575232D1
Authority
DE
Germany
Prior art keywords
producing
permanent magnet
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
DE8585307158T
Other languages
English (en)
Inventor
Masaaki Tokunaga
Noriaki Meguro
Minoru Endoh
Shigeho Tanigawa
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
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Application granted granted Critical
Publication of DE3575232D1 publication Critical patent/DE3575232D1/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
DE8585307158T 1984-10-05 1985-10-07 Verfahren zur herstellung eines permanentmagneten. Expired - Lifetime DE3575232D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59209524A JPS6187825A (ja) 1984-10-05 1984-10-05 永久磁石材料の製造方法

Publications (1)

Publication Number Publication Date
DE3575232D1 true DE3575232D1 (de) 1990-02-08

Family

ID=16574215

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585307158T Expired - Lifetime DE3575232D1 (de) 1984-10-05 1985-10-07 Verfahren zur herstellung eines permanentmagneten.

Country Status (4)

Country Link
US (1) US4888068A (de)
EP (1) EP0177371B1 (de)
JP (1) JPS6187825A (de)
DE (1) DE3575232D1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS636808A (ja) * 1986-06-26 1988-01-12 Shin Etsu Chem Co Ltd 希土類永久磁石
JPS6347907A (ja) * 1986-08-18 1988-02-29 Tohoku Metal Ind Ltd 希土類磁石の製造方法
DE3783413T2 (de) * 1986-09-16 1993-05-27 Tokin Corp Verfahren zur herstellung eines seltenerd-eisen-bor-dauermagneten mit hilfe eines abgeschreckten legierungspuders.
DE3729361A1 (de) * 1987-09-02 1989-03-16 Max Planck Gesellschaft Optimierung der gefuegestruktur des fe-nd-b-basis sintermagneten
EP0379583B2 (de) * 1988-05-30 1998-12-16 Kawasaki Steel Corporation Gesintertes magnetisches fe-co-material und verfahren zu dessen herstellung
US5244510A (en) * 1989-06-13 1993-09-14 Yakov Bogatin Magnetic materials and process for producing the same
US5114502A (en) * 1989-06-13 1992-05-19 Sps Technologies, Inc. Magnetic materials and process for producing the same
US5122203A (en) * 1989-06-13 1992-06-16 Sps Technologies, Inc. Magnetic materials
JPH0354806A (ja) * 1989-07-24 1991-03-08 Shin Etsu Chem Co Ltd 希土類永久磁石の製造方法
AT393178B (de) * 1989-10-25 1991-08-26 Boehler Gmbh Permanentmagnet(-werkstoff) sowie verfahren zur herstellung desselben
JP2500701Y2 (ja) * 1990-02-07 1996-06-12 日立金属株式会社 胃内異物吸着磁石
DE4007534C1 (de) * 1990-03-09 1991-08-29 Magnetfabrik Schramberg Gmbh & Co, 7230 Schramberg, De
JPH06509211A (ja) * 1990-06-08 1994-10-13 エスピーエス・テクノロジーズ・インコーポレーテッド 改良磁性材料及びその製造方法
DE69716588T2 (de) * 1996-04-10 2003-06-12 Showa Denko K.K., Tokio/Tokyo Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten
US5905425A (en) * 1998-07-22 1999-05-18 Dalby; Larry S. Cow magnet
US6746545B2 (en) * 2000-05-31 2004-06-08 Shin-Etsu Chemical Co., Ltd. Preparation of rare earth permanent magnets
JP3997413B2 (ja) 2002-11-14 2007-10-24 信越化学工業株式会社 Ｒ−Ｆｅ−Ｂ系焼結磁石及びその製造方法
WO2004046409A2 (en) * 2002-11-18 2004-06-03 Iowa State University Research Foundation, Inc. Permanent magnet alloy with improved high temperature performance
US7289011B2 (en) * 2005-05-25 2007-10-30 Animal Supplies International, Inc. Animal pill magnet having single polarity
US7557685B2 (en) 2006-09-22 2009-07-07 John Nellessen Mineral supplement cow magnet
JP6255977B2 (ja) * 2013-03-28 2018-01-10 Tdk株式会社 希土類磁石
JP2015135935A (ja) * 2013-03-28 2015-07-27 Tdk株式会社 希土類磁石
CN103489619B (zh) * 2013-10-14 2016-01-20 北京科技大学 一种致密细晶钕铁硼烧结磁体的制备方法
JP6142792B2 (ja) 2013-12-20 2017-06-07 Tdk株式会社 希土類磁石
JP6142793B2 (ja) 2013-12-20 2017-06-07 Tdk株式会社 希土類磁石
CN108573807A (zh) * 2017-03-09 2018-09-25 天津邦特磁性材料有限公司 烧结钕铁硼回火工艺
CN115274295A (zh) * 2022-09-28 2022-11-01 季华实验室 一种磁性薄膜、含有其的磁码组件以及制备方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415145A1 (fr) * 1978-01-19 1979-08-17 Aimants Ugimag Sa Procede de traitement thermique des alliages fe-co-cr pour aimants permanents
US4409043A (en) * 1981-10-23 1983-10-11 The United States Of America As Represented By The Secretary Of The Navy Amorphous transition metal-lanthanide alloys
US4402770A (en) * 1981-10-23 1983-09-06 The United States Of America As Represented By The Secretary Of The Navy Hard magnetic alloys of a transition metal and lanthanide
JPS5989401A (ja) * 1982-11-15 1984-05-23 Sumitomo Special Metals Co Ltd 永久磁石
JPS5946008A (ja) * 1982-08-21 1984-03-15 Sumitomo Special Metals Co Ltd 永久磁石
JPS5964733A (ja) * 1982-09-27 1984-04-12 Sumitomo Special Metals Co Ltd 永久磁石
US4597938A (en) * 1983-05-21 1986-07-01 Sumitomo Special Metals Co., Ltd. Process for producing permanent magnet materials
JPS59219453A (ja) * 1983-05-24 1984-12-10 Sumitomo Special Metals Co Ltd 永久磁石材料の製造方法
US4601875A (en) * 1983-05-25 1986-07-22 Sumitomo Special Metals Co., Ltd. Process for producing magnetic materials
JPH061726B2 (ja) * 1984-02-28 1994-01-05 住友特殊金属株式会社 永久磁石材料の製造方法
CA1235631A (en) * 1984-02-28 1988-04-26 Hitoshi Yamamoto Process for producing permanent magnets and products thereof
JPS6181605A (ja) * 1984-09-04 1986-04-25 Tohoku Metal Ind Ltd 希土類磁石の製造方法

Also Published As

Publication number Publication date
EP0177371A1 (de) 1986-04-09
JPH0216368B2 (de) 1990-04-17
EP0177371B1 (de) 1990-01-03
JPS6187825A (ja) 1986-05-06
US4888068A (en) 1989-12-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee