KR910001065B1 - 열 안정성이 우수한 영구 자석 - Google Patents

열 안정성이 우수한 영구 자석 Download PDF

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Publication number
KR910001065B1
KR910001065B1 KR1019870008004A KR870008004A KR910001065B1 KR 910001065 B1 KR910001065 B1 KR 910001065B1 KR 1019870008004 A KR1019870008004 A KR 1019870008004A KR 870008004 A KR870008004 A KR 870008004A KR 910001065 B1 KR910001065 B1 KR 910001065B1
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KR
South Korea
Prior art keywords
magnet
gallium
permanent magnet
alloy
magnetic flux
Prior art date
Application number
KR1019870008004A
Other languages
English (en)
Korean (ko)
Other versions
KR880002202A (ko
Inventor
마사아끼 도꾸나가
미노루 엔도
히로시 고구레
Original Assignee
히다찌 긴조꾸 가부시끼가이샤
미쯔노 고지
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.)
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Publication date
Application filed by 히다찌 긴조꾸 가부시끼가이샤, 미쯔노 고지 filed Critical 히다찌 긴조꾸 가부시끼가이샤
Publication of KR880002202A publication Critical patent/KR880002202A/ko
Application granted granted Critical
Publication of KR910001065B1 publication Critical patent/KR910001065B1/ko

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    • 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
    • H01F1/0577—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
KR1019870008004A 1986-07-23 1987-07-23 열 안정성이 우수한 영구 자석 KR910001065B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP17298786 1986-07-23
JP172987 1986-07-23
JP185905 1986-08-07
JP18590586 1986-08-07
JP243490 1986-10-14
JP24349086 1986-10-14
JP85787 1987-01-06
JP857 1987-01-06

Publications (2)

Publication Number Publication Date
KR880002202A KR880002202A (ko) 1988-04-29
KR910001065B1 true KR910001065B1 (ko) 1991-02-23

Family

ID=27453258

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870008004A KR910001065B1 (ko) 1986-07-23 1987-07-23 열 안정성이 우수한 영구 자석

Country Status (5)

Country Link
EP (2) EP0258609B1 (ja)
JP (1) JP2751109B2 (ja)
KR (1) KR910001065B1 (ja)
CN (1) CN1036554C (ja)
DE (2) DE3750661T2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140133552A (ko) * 2012-02-23 2014-11-19 제이엑스 닛코 닛세키 킨조쿠 가부시키가이샤 네오디뮴계 희토류 영구 자석 및 그 제조 방법

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983232A (en) * 1987-01-06 1991-01-08 Hitachi Metals, Ltd. Anisotropic magnetic powder and magnet thereof and method of producing same
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
US5000800A (en) * 1988-06-03 1991-03-19 Masato Sagawa Permanent magnet and method for producing the same
DE3825358A1 (de) * 1988-07-26 1990-02-01 Siemens Ag Magnetischer werkstoff und verfahren zu seiner herstellung
JPH0257662A (ja) * 1988-08-23 1990-02-27 M G:Kk ボンド磁石用急冷薄帯合金
DE3840414A1 (de) * 1988-11-30 1990-05-31 Siemens Ag Verfahren zur herstellung eines koerpers mit einem hartmagnetischen werkstoff
DK0519989T3 (da) * 1990-03-16 1994-09-12 Secr Defence Brit Ferromagnetiske materialer
US5143560A (en) * 1990-04-20 1992-09-01 Hitachi Metals, Inc., Ltd. Method for forming Fe-B-R-T alloy powder by hydrogen decrepitation of die-upset billets
WO1991019300A1 (en) * 1990-06-08 1991-12-12 Sps Technologies, Incorporated Improved magnetic materials and process for producing the same
US5405455A (en) * 1991-06-04 1995-04-11 Shin-Etsu Chemical Co. Ltd. Rare earth-based permanent magnet
DE69202515T2 (de) * 1991-06-04 1995-09-21 Shinetsu Chemical Co Verfahren zur Herstellung von zweiphasigen Dauermagneten auf der Basis von Seltenen Erden.
DE4331563A1 (de) * 1992-09-18 1994-03-24 Hitachi Metals Ltd Nd-Fe-B-Sintermagnete
US5472525A (en) * 1993-01-29 1995-12-05 Hitachi Metals, Ltd. Nd-Fe-B system permanent magnet
DE19541948A1 (de) * 1995-11-10 1997-05-15 Schramberg Magnetfab Magnetmaterial und Dauermagnet des NdFeB-Typs
WO2002103719A1 (fr) * 2001-06-19 2002-12-27 Mitsubishi Denki Kabushiki Kaisha Materiau magnetique durable en metal du groupe des terres rares
AU2002346235A1 (en) * 2002-06-28 2004-01-19 Aichi Steel Corporation Alloy for use in bonded magnet, isotropic magnet powder and anisotropic magnet powder and method for production thereof, and bonded magnet
CN101240398B (zh) * 2007-02-07 2010-12-29 罗阳 金属间化合物各向异性磁粉，制备方法及专用设备
CN101689416B (zh) 2007-05-02 2012-10-03 日立金属株式会社 R-t-b系烧结磁体
EP2077567B1 (en) 2007-05-02 2012-08-08 Hitachi Metals, Ltd. R-t-b sintered magnet
JP5163630B2 (ja) * 2009-12-18 2013-03-13 トヨタ自動車株式会社 希土類磁石およびその製造方法
US10497497B2 (en) 2012-02-02 2019-12-03 Santoku Corporation R-T-B—Ga-based magnet material alloy and method of producing the same
CN103887028B (zh) * 2012-12-24 2017-07-28 北京中科三环高技术股份有限公司 一种烧结钕铁硼磁体及其制造方法
CN104952574A (zh) * 2014-03-31 2015-09-30 厦门钨业股份有限公司 一种含W的Nd-Fe-B-Cu系烧结磁铁
CN104020032A (zh) * 2014-06-17 2014-09-03 攀钢集团攀枝花钢钒有限公司 一种对不易碎钒铁化学分析用试样的制备方法
CN110148506A (zh) * 2019-04-03 2019-08-20 宁波同创强磁材料有限公司 拓宽稀土永磁体烧结温度窗口的方法及稀土永磁体的制备方法
CN111627633B (zh) * 2020-06-28 2022-05-31 福建省长汀金龙稀土有限公司 一种r-t-b系磁性材料及其制备方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (en) * 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
JPS6034005A (ja) * 1983-08-04 1985-02-21 Sumitomo Special Metals Co Ltd 永久磁石
JPS60218455A (ja) * 1984-04-12 1985-11-01 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
JPS60228652A (ja) * 1984-04-24 1985-11-13 Nippon Gakki Seizo Kk 希土類磁石およびその製法
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
JPS60243247A (ja) * 1984-05-15 1985-12-03 Namiki Precision Jewel Co Ltd 永久磁石合金
JPS6139507A (ja) * 1984-07-30 1986-02-25 Seiko Instr & Electronics Ltd ネオジム鉄系永久磁石
JPS61179803A (ja) * 1985-02-05 1986-08-12 Seiko Epson Corp 強磁性樹脂組成物の製造方法
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
DE3676403D1 (de) * 1985-09-10 1991-02-07 Toshiba Kawasaki Kk Dauermagnet.
JPS62136551A (ja) * 1985-12-10 1987-06-19 Daido Steel Co Ltd 永久磁石材料
DE3786426T2 (de) * 1986-06-12 1993-12-09 Toshiba Kawasaki Kk Dauermagnet und Dauermagnetlegierung.
JPS6318603A (ja) * 1986-07-11 1988-01-26 Toshiba Corp 永久磁石
JP3084975B2 (ja) * 1992-11-06 2000-09-04 松下電器産業株式会社 液晶表示用セルの製造装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140133552A (ko) * 2012-02-23 2014-11-19 제이엑스 닛코 닛세키 킨조쿠 가부시키가이샤 네오디뮴계 희토류 영구 자석 및 그 제조 방법

Also Published As

Publication number Publication date
EP0258609B1 (en) 1993-02-03
CN87105186A (zh) 1988-02-03
KR880002202A (ko) 1988-04-29
JPS647503A (en) 1989-01-11
DE3783975D1 (de) 1993-03-18
EP0421488A3 (en) 1991-08-28
EP0421488A2 (en) 1991-04-10
DE3783975T2 (de) 1993-05-27
DE3750661T2 (de) 1995-04-06
JP2751109B2 (ja) 1998-05-18
DE3750661D1 (de) 1994-11-17
EP0258609A2 (en) 1988-03-09
EP0421488B1 (en) 1994-10-12
CN1036554C (zh) 1997-11-26
EP0258609A3 (en) 1989-04-26

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