DE3783975D1 - Dauermagnet mit guter thermischer stabilitaet. - Google Patents

Dauermagnet mit guter thermischer stabilitaet.

Info

Publication number
DE3783975D1
DE3783975D1 DE8787110634T DE3783975T DE3783975D1 DE 3783975 D1 DE3783975 D1 DE 3783975D1 DE 8787110634 T DE8787110634 T DE 8787110634T DE 3783975 T DE3783975 T DE 3783975T DE 3783975 D1 DE3783975 D1 DE 3783975D1
Authority
DE
Germany
Prior art keywords
permanent magnet
thermal stability
good thermal
good
stability
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
DE8787110634T
Other languages
English (en)
Other versions
DE3783975T2 (de
Inventor
Masaaki Tokunaga
Minoru Endoh
Hiroshi Kogure
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
Publication of DE3783975D1 publication Critical patent/DE3783975D1/de
Application granted granted Critical
Publication of DE3783975T2 publication Critical patent/DE3783975T2/de
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
    • 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
DE8787110634T 1986-07-23 1987-07-22 Dauermagnet mit guter thermischer stabilitaet. Expired - Fee Related DE3783975T2 (de)

Applications Claiming Priority (4)

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

Publications (2)

Publication Number Publication Date
DE3783975D1 true DE3783975D1 (de) 1993-03-18
DE3783975T2 DE3783975T2 (de) 1993-05-27

Family

ID=27453258

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8787110634T Expired - Fee Related DE3783975T2 (de) 1986-07-23 1987-07-22 Dauermagnet mit guter thermischer stabilitaet.
DE3750661T Expired - Lifetime DE3750661T2 (de) 1986-07-23 1987-07-22 Dauermagnet mit guter thermischer Stabilität.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3750661T Expired - Lifetime DE3750661T2 (de) 1986-07-23 1987-07-22 Dauermagnet mit guter thermischer Stabilität.

Country Status (5)

Country Link
EP (2) EP0258609B1 (de)
JP (1) JP2751109B2 (de)
KR (1) KR910001065B1 (de)
CN (1) CN1036554C (de)
DE (2) DE3783975T2 (de)

Families Citing this family (28)

* 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
WO1991014271A1 (en) * 1990-03-16 1991-09-19 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Perromagnetic materials
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
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
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
EP1398800B1 (de) * 2001-06-19 2006-04-19 Mitsubishi Denki Kabushiki Kaisha Seltenerdelement-permanentmagnetmaterial
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
WO2008139556A1 (ja) 2007-05-02 2008-11-20 Hitachi Metals, Ltd. Ｒ－ｔ－ｂ系焼結磁石
EP2034493B1 (de) 2007-05-02 2012-12-05 Hitachi Metals, Ltd. R-t-b-sintermagnet
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
KR101649433B1 (ko) * 2012-02-23 2016-08-19 제이엑스금속주식회사 네오디뮴계 희토류 영구 자석 및 그 제조 방법
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
EP0216254B1 (de) * 1985-09-10 1991-01-02 Kabushiki Kaisha Toshiba Dauermagnet
JPS62136551A (ja) * 1985-12-10 1987-06-19 Daido Steel Co Ltd 永久磁石材料
EP0248981B1 (de) * 1986-06-12 1993-07-07 Kabushiki Kaisha Toshiba 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

Also Published As

Publication number Publication date
CN1036554C (zh) 1997-11-26
DE3750661D1 (de) 1994-11-17
EP0421488B1 (de) 1994-10-12
EP0421488A3 (en) 1991-08-28
EP0258609B1 (de) 1993-02-03
EP0421488A2 (de) 1991-04-10
DE3783975T2 (de) 1993-05-27
EP0258609A3 (en) 1989-04-26
JPS647503A (en) 1989-01-11
CN87105186A (zh) 1988-02-03
KR910001065B1 (ko) 1991-02-23
JP2751109B2 (ja) 1998-05-18
EP0258609A2 (de) 1988-03-09
KR880002202A (ko) 1988-04-29
DE3750661T2 (de) 1995-04-06

Similar Documents

Publication Publication Date Title
DE3783975T2 (de) Dauermagnet mit guter thermischer stabilitaet.
DE3587977T2 (de) Dauermagnete.
DE3675075D1 (de) Dauermagnetlaeufer.
FI852764A0 (fi) Kaernmagnetisk resonansapparat med en permanent magnet.
DE3675023D1 (de) Magneten.
DE3775483D1 (de) Zubereitung mit verzoegerter freigabe.
DE3786247T2 (de) Lanzette mit rueckfuehrung.
DE3675813D1 (de) Leistungssynchronisiereinrichtung.
NO893275L (no) Kontraseptivt suppositoriumpreparat med langtidsvirkning.
FI862490A0 (fi) Flytande detergent komposition med foerbaettrad fysisk stabilitet foer diskmaskinen.
DE3674178D1 (de) Haertbare silikonzusammensetzung mit veraenderter adhaesion.
FI872035A0 (fi) Mikrosalpetersyrlighets-extraktions -agglutinationstest i torr form foer streptokocker.
DE58909505D1 (de) Synchrondemodulator.
DE3676403D1 (de) Dauermagnet.
FI852763L (fi) Kaernmagnetisk resonansanordning med en magnet av permanent magnetiskt aemne.
FI852184A0 (fi) Kontinuerlig reduktion av smaelt metallurgisk slagg i en elektrisk ugn.
DE3777239D1 (de) Mit aminoxyalkylaminen stabilisierte zusammensetzungen.
DE3750192D1 (de) Mit Aminoxysilanen stabilisierte Zusammensetzungen.
DE3672029D1 (de) Bipolarer integrierter schaltkreis mit heterouebergaengen.
DE3774705D1 (de) Kleinschalter mit schnappschaltung.
FI862717A0 (fi) Foerbaettrat kollagenkorvskal.
NO870142D0 (no) Faserettet sender.
DE3876325D1 (de) Frostschutzzusammensetzung.
FI863405A (fi) Nya bbm-1675c- och d-antibiotika med antitumoereffekt.
DE3686999D1 (de) Supraleitender magnet.

Legal Events

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