CN1295713C - R－t－b系稀土类永久磁铁 - Google Patents

R－t－b系稀土类永久磁铁 Download PDF

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Publication number
CN1295713C
CN1295713C CNB038013142A CN03801314A CN1295713C CN 1295713 C CN1295713 C CN 1295713C CN B038013142 A CNB038013142 A CN B038013142A CN 03801314 A CN03801314 A CN 03801314A CN 1295713 C CN1295713 C CN 1295713C
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CN
China
Prior art keywords
rare earth
permanent magnet
alloy
earth element
product
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Expired - Lifetime
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CNB038013142A
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English (en)
Chinese (zh)
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CN1572006A (zh
Inventor
石坂力
西泽刚一
日高徹也
福野亮
内田信也
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TDK Corp
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TDK Corp
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Publication of CN1572006A publication Critical patent/CN1572006A/zh
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C22C33/0228—Using a mixture of prealloyed powders or a master alloy comprising other non-metallic compounds or more than 5% of graphite
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • H01F1/0555—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 pressed, sintered or bonded together
    • H01F1/0557—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 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
    • 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
    • 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
    • H01F41/02—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 manufacturing cores, coils, or magnets
    • H01F41/0253—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 manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Powder Metallurgy (AREA)
CNB038013142A 2002-09-30 2003-09-30 R－t－b系稀土类永久磁铁 Expired - Lifetime CN1295713C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002287033 2002-09-30
JP287033/2002 2002-09-30
JP2003092890 2003-03-28
JP92890/2003 2003-03-28

Publications (2)

Publication Number Publication Date
CN1572006A CN1572006A (zh) 2005-01-26
CN1295713C true CN1295713C (zh) 2007-01-17

Family

ID=32044658

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB038013134A Expired - Lifetime CN100334662C (zh) 2002-09-30 2003-09-30 R－t－b系稀土类永久磁铁的制造方法
CNB038013142A Expired - Lifetime CN1295713C (zh) 2002-09-30 2003-09-30 R－t－b系稀土类永久磁铁

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CNB038013134A Expired - Lifetime CN100334662C (zh) 2002-09-30 2003-09-30 R－t－b系稀土类永久磁铁的制造方法

Country Status (5)

Country Link
EP (2) EP1460651B1 (de)
JP (2) JP4076179B2 (de)
CN (2) CN100334662C (de)
DE (2) DE60317460T2 (de)
WO (2) WO2004029999A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7199690B2 (en) * 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
EP1749599B1 (de) * 2004-04-30 2015-09-09 Hitachi Metals, Ltd. Verfahren zur herstellung einer rohmateriallegierung für seltenerdmagenten, pulvermagneten und sintermagneten
JP4618437B2 (ja) * 2006-03-30 2011-01-26 Ｔｄｋ株式会社 希土類永久磁石の製造方法およびその原料合金
CN101471165B (zh) * 2007-12-26 2012-09-19 北京中科三环高技术股份有限公司 钕铁硼烧结稀土永磁合金及其制备方法
CN101819841A (zh) * 2010-05-17 2010-09-01 上海交通大学 钕铁硼磁性材料及其制备方法
JP6156375B2 (ja) * 2012-06-22 2017-07-05 Tdk株式会社 焼結磁石
JP6314380B2 (ja) * 2013-07-23 2018-04-25 Tdk株式会社 希土類磁石、電動機、及び電動機を備える装置
CN106782971A (zh) * 2016-12-05 2017-05-31 湖南航天磁电有限责任公司 一种钕铁硼材料及其制备方法
JP6849806B2 (ja) * 2016-12-29 2021-03-31 北京中科三環高技術股▲ふん▼有限公司Ｂｅｉｊｉｎｇ Ｚｈｏｎｇ Ｋｅ Ｓａｎ Ｈｕａｎ Ｈｉ−Ｔｅｃｈ Ｃｏ．，Ｌｔｄ． 微粒子希土類合金鋳片、その製造方法、および回転冷却ロール装置
CN107358998A (zh) * 2017-07-20 2017-11-17 杭州乐荣电线电器有限公司 扁平抗干扰可折叠软数据线
JP7463791B2 (ja) * 2020-03-23 2024-04-09 Tdk株式会社 Ｒ－ｔ－ｂ系希土類焼結磁石およびｒ－ｔ－ｂ系希土類焼結磁石の製造方法
CN115359988A (zh) * 2022-08-24 2022-11-18 宁波爱维森材料研发科技有限公司 一种高性能含铈稀土永磁体及其制备方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4836868A (en) * 1986-04-15 1989-06-06 Tdk Corporation Permanent magnet and method of producing same
JPH01103805A (ja) * 1987-07-30 1989-04-20 Tdk Corp 永久磁石
JPH01196104A (ja) * 1988-02-01 1989-08-07 Tdk Corp 希土類合金磁石の製造方法
US4895607A (en) * 1988-07-25 1990-01-23 Kubota, Ltd. Iron-neodymium-boron permanent magnet alloys prepared by consolidation of amorphous powders
JP3724513B2 (ja) * 1993-11-02 2005-12-07 Ｔｄｋ株式会社 永久磁石の製造方法
JP3367726B2 (ja) * 1993-11-08 2003-01-20 ティーディーケイ株式会社 永久磁石の製造方法
US5858123A (en) * 1995-07-12 1999-01-12 Hitachi Metals, Ltd. Rare earth permanent magnet and method for producing the same
JP3237053B2 (ja) * 1996-07-25 2001-12-10 三菱マテリアル株式会社 優れた磁気特性を有する希土類磁石材料粉末およびその製造方法
JP2891215B2 (ja) * 1996-12-17 1999-05-17 三菱マテリアル株式会社 耐食性および磁気特性に優れた希土類−Ｂ−Ｆｅ系焼結磁石の製造方法
JPH10259459A (ja) * 1997-01-14 1998-09-29 Mitsubishi Materials Corp 希土類磁石粉末製造用原料合金およびこの原料合金を用いた希土類磁石粉末の製造方法
JPH1064712A (ja) * 1997-07-18 1998-03-06 Hitachi Metals Ltd Ｒ−Ｆｅ−Ｂ系希土類焼結磁石
EP1033415B1 (de) * 1998-08-28 2003-05-28 Showa Denko Kabushiki Kaisha Legierung zur verwendung bei der herstellung von gesinterten magneten auf r-t-b-basis und verfahren zur herstellung von gesinterten magneten auf r-t-b-basis
DE69911138T2 (de) * 1998-10-14 2004-07-22 Hitachi Metals, Ltd. Gesinterter R-T-B-Dauermagnet
EP1014392B9 (de) * 1998-12-15 2004-11-24 Shin-Etsu Chemical Co., Ltd. Auf Seltenerd/Eisen/Bor basierte Legierung für Dauermagnet
JP3951099B2 (ja) * 2000-06-13 2007-08-01 信越化学工業株式会社 Ｒ−Ｆｅ−Ｂ系希土類永久磁石材料
EP1164599B1 (de) * 2000-06-13 2007-12-05 Shin-Etsu Chemical Co., Ltd. Dauermagnetmaterialien auf R-Fe-B-Basis
JP2002164239A (ja) * 2000-09-14 2002-06-07 Hitachi Metals Ltd 希土類焼結磁石の製造方法およびリング磁石およびアークセグメント磁石
JP3452254B2 (ja) * 2000-09-20 2003-09-29 愛知製鋼株式会社 異方性磁石粉末の製造方法、異方性磁石粉末の原料粉末およびボンド磁石

Also Published As

Publication number Publication date
JP4076178B2 (ja) 2008-04-16
JPWO2004030000A1 (ja) 2006-01-26
EP1460651A4 (de) 2005-03-23
EP1460650B1 (de) 2007-11-14
WO2004029999A1 (ja) 2004-04-08
EP1460650A1 (de) 2004-09-22
WO2004030000A1 (ja) 2004-04-08
CN1572006A (zh) 2005-01-26
CN1572005A (zh) 2005-01-26
EP1460651A1 (de) 2004-09-22
EP1460651B1 (de) 2007-02-21
DE60317460D1 (de) 2007-12-27
DE60317460T2 (de) 2008-09-18
DE60311960D1 (de) 2007-04-05
DE60311960T2 (de) 2007-10-31
EP1460650A4 (de) 2005-03-30
JPWO2004029999A1 (ja) 2006-01-26
CN100334662C (zh) 2007-08-29
JP4076179B2 (ja) 2008-04-16

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