DE69938811D1 - Herstellungsverfahen eines Seltenerd-Dauermagnets - Google Patents

Herstellungsverfahen eines Seltenerd-Dauermagnets

Info

Publication number
DE69938811D1
DE69938811D1 DE69938811T DE69938811T DE69938811D1 DE 69938811 D1 DE69938811 D1 DE 69938811D1 DE 69938811 T DE69938811 T DE 69938811T DE 69938811 T DE69938811 T DE 69938811T DE 69938811 D1 DE69938811 D1 DE 69938811D1
Authority
DE
Germany
Prior art keywords
manufacturing
permanent magnet
rare earth
earth permanent
rare
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
DE69938811T
Other languages
English (en)
Inventor
Matou Kusunoki
Takehisa Minowa
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co 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 Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Application granted granted Critical
Publication of DE69938811D1 publication Critical patent/DE69938811D1/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
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE69938811T 1998-12-11 1999-12-01 Herstellungsverfahen eines Seltenerd-Dauermagnets Expired - Lifetime DE69938811D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP35271098 1998-12-11

Publications (1)

Publication Number Publication Date
DE69938811D1 true DE69938811D1 (de) 2008-07-10

Family

ID=18425908

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69938811T Expired - Lifetime DE69938811D1 (de) 1998-12-11 1999-12-01 Herstellungsverfahen eines Seltenerd-Dauermagnets

Country Status (5)

Country Link
US (1) US6214288B1 (de)
EP (1) EP1011113B1 (de)
KR (1) KR100496173B1 (de)
CN (1) CN1156859C (de)
DE (1) DE69938811D1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002079530A2 (en) * 2001-03-30 2002-10-10 Sumitomo Special Metals Co., Ltd. Rare earth alloy sintered compact and method of making the same
JP2004257817A (ja) * 2003-02-25 2004-09-16 Ntn Corp 磁気エンコーダおよびそれを備えた車輪用軸受
GB0423737D0 (en) * 2004-10-26 2004-11-24 Less Common Metals Ltd Method of reducing the free iron phase in iron containing rare earth-transition metal-boron type alloys
CN1959878B (zh) * 2005-11-02 2010-09-15 四川大学 一种纳米晶钕铁硼永磁块体的制备方法
US8133329B2 (en) * 2008-06-24 2012-03-13 GM Global Technology Operations LLC Selective sintering of compacted components
KR101087574B1 (ko) 2009-02-26 2011-11-28 한양대학교 산학협력단 반복 열처리를 통한 소결자석의 제조방법 및 그로부터 제조된 소결자석
CN101798652A (zh) * 2010-04-28 2010-08-11 天津天和磁材技术有限公司 锡钛复合添加改善钕铁硼的耐腐蚀和加工性的方法
CN103475162B (zh) * 2013-07-20 2016-05-25 南通飞来福磁铁有限公司 一种用于节能电机的稀土永磁体的制备方法
CN104674115A (zh) 2013-11-27 2015-06-03 厦门钨业股份有限公司 一种低b的稀土磁铁
CN103846428B (zh) * 2014-02-28 2016-04-20 深圳市磁研科技有限公司 一种稀土永磁材料近净成型加工设备
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
CN104907572B (zh) * 2015-07-16 2017-11-10 浙江中杭新材料科技有限公司 一种钕铁硼磁材料的制备方法
CN104952581A (zh) * 2015-07-16 2015-09-30 浙江中杭新材料股份有限公司 一种钕铁硼磁材料的制备方法
CN105598437A (zh) * 2015-11-12 2016-05-25 赣州嘉通新材料有限公司 在废旧磁钢中添加金属粉制备稀土永磁材料的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252604A (ja) * 1985-05-02 1986-11-10 Tohoku Metal Ind Ltd 希土類磁石の製造方法
EP0365079B1 (de) * 1988-10-17 1994-06-01 Koninklijke Philips Electronics N.V. Verfahren zum Herstellen eines Dauermagneten
US5129964A (en) * 1989-09-06 1992-07-14 Sps Technologies, Inc. Process for making nd-b-fe type magnets utilizing a hydrogen and oxygen treatment
JPH04314307A (ja) * 1991-04-11 1992-11-05 Fuji Elelctrochem Co Ltd ボンド磁石の製造方法
JP3254229B2 (ja) * 1991-09-11 2002-02-04 信越化学工業株式会社 希土類永久磁石の製造方法
US5641363A (en) * 1993-12-27 1997-06-24 Tdk Corporation Sintered magnet and method for making
JPH07335468A (ja) * 1994-06-06 1995-12-22 Shin Etsu Chem Co Ltd 希土類磁石の製造方法

Also Published As

Publication number Publication date
KR20000067821A (ko) 2000-11-25
US6214288B1 (en) 2001-04-10
CN1156859C (zh) 2004-07-07
CN1257290A (zh) 2000-06-21
EP1011113B1 (de) 2008-05-28
EP1011113A3 (de) 2000-11-15
EP1011113A2 (de) 2000-06-21
KR100496173B1 (ko) 2005-06-17

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