CN103946931A - 稀土磁体制造方法 - Google Patents

稀土磁体制造方法 Download PDF

Info

Publication number
CN103946931A
CN103946931A CN201280055397.3A CN201280055397A CN103946931A CN 103946931 A CN103946931 A CN 103946931A CN 201280055397 A CN201280055397 A CN 201280055397A CN 103946931 A CN103946931 A CN 103946931A
Authority
CN
China
Prior art keywords
alloy
rare earth
phase
grain boundary
compact
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.)
Pending
Application number
CN201280055397.3A
Other languages
English (en)
Chinese (zh)
Inventor
庄司哲也
大村真也
平冈基记
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of CN103946931A publication Critical patent/CN103946931A/zh
Pending 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
    • H01F41/02—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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/11—Making amorphous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C45/00—Amorphous alloys
    • 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
    • H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/07—Metallic powder characterised by particles having a nanoscale microstructure
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
CN201280055397.3A 2011-11-14 2012-11-07 稀土磁体制造方法 Pending CN103946931A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-248923 2011-11-14
JP2011248923A JP5640954B2 (ja) 2011-11-14 2011-11-14 希土類磁石の製造方法
PCT/IB2012/002248 WO2013072728A1 (en) 2011-11-14 2012-11-07 Method of manufacturing rare-earth magnets

Publications (1)

Publication Number Publication Date
CN103946931A true CN103946931A (zh) 2014-07-23

Family

ID=47222154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280055397.3A Pending CN103946931A (zh) 2011-11-14 2012-11-07 稀土磁体制造方法

Country Status (6)

Country Link
US (1) US20140308441A1 (https=)
JP (1) JP5640954B2 (https=)
KR (1) KR101548274B1 (https=)
CN (1) CN103946931A (https=)
DE (1) DE112012004741T5 (https=)
WO (1) WO2013072728A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112074919A (zh) * 2018-03-07 2020-12-11 达姆施塔特工业大学 用于制造永磁体或硬磁性材料的方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101542539B1 (ko) 2011-11-14 2015-08-06 도요타 지도샤（주） 희토류 자석과 그 제조 방법
JP5790617B2 (ja) 2012-10-18 2015-10-07 トヨタ自動車株式会社 希土類磁石の製造方法
CN109300640B (zh) 2013-06-05 2021-03-09 丰田自动车株式会社 稀土磁体及其制造方法
JP5915637B2 (ja) * 2013-12-19 2016-05-11 トヨタ自動車株式会社 希土類磁石の製造方法
JP5924335B2 (ja) 2013-12-26 2016-05-25 トヨタ自動車株式会社 希土類磁石とその製造方法
JP5983598B2 (ja) 2013-12-27 2016-08-31 トヨタ自動車株式会社 希土類磁石の製造方法
JP6003920B2 (ja) * 2014-02-12 2016-10-05 トヨタ自動車株式会社 希土類磁石の製造方法
JP5884957B1 (ja) * 2014-04-25 2016-03-15 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
CN107077935A (zh) * 2014-12-08 2017-08-18 Lg电子株式会社 包含非磁性合金的热压变形的磁体及其制造方法
DE102015015930A1 (de) * 2015-12-09 2017-06-14 Wolfgang Kochanek Verfahren zur Herstellung magnetischer Werkstoffe
JP6717231B2 (ja) * 2017-02-28 2020-07-01 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP6717230B2 (ja) * 2017-02-28 2020-07-01 日立金属株式会社 Ｒ−ｔ−ｂ系焼結磁石の製造方法
KR102561239B1 (ko) * 2018-11-27 2023-07-31 엘지이노텍 주식회사 희토류 자석 제조방법
JP7216957B2 (ja) * 2019-02-14 2023-02-02 大同特殊鋼株式会社 希土類磁石の製造方法
JP2021082622A (ja) * 2019-11-14 2021-05-27 大同特殊鋼株式会社 希土類磁石および希土類磁石の製造方法
CN113871122B (zh) * 2021-09-24 2024-11-15 烟台东星磁性材料股份有限公司 低重稀土磁体及制造方法
CN113871121B (zh) * 2021-09-24 2024-12-03 烟台东星磁性材料股份有限公司 耐高温磁体及其制造方法
CN121241411A (zh) * 2023-06-05 2025-12-30 Lg 伊诺特有限公司 永磁体

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792367A (en) * 1983-08-04 1988-12-20 General Motors Corporation Iron-rare earth-boron permanent
JPH02208902A (ja) * 1989-02-09 1990-08-20 Hitachi Metals Ltd 温間加工磁石の製造方法
JPH07283016A (ja) * 1994-04-05 1995-10-27 Tdk Corp 磁石およびその製造方法
JPH08250356A (ja) * 1995-03-13 1996-09-27 Daido Steel Co Ltd 異方性磁石用合金粉末、これを用いた異方性永久磁石とその製造方法
JPH08316014A (ja) * 1995-05-16 1996-11-29 Tdk Corp 磁石およびその製造方法
JPH09275004A (ja) * 1995-07-07 1997-10-21 Daido Steel Co Ltd 永久磁石とその製造方法
JP2005209932A (ja) * 2004-01-23 2005-08-04 Tdk Corp 希土類磁石及びその製造方法、製造装置
CN1728295A (zh) * 2004-07-28 2006-02-01 株式会社日立制作所 稀土类磁铁
CN1764990A (zh) * 2003-03-31 2006-04-26 独立行政法人科学技术振兴机构 超小型制品用的微小、高性能稀土磁铁及其制造方法
CN101006534A (zh) * 2005-04-15 2007-07-25 株式会社新王磁材 稀土类烧结磁铁及其制造方法
CN101158024A (zh) * 2006-04-14 2008-04-09 信越化学工业株式会社 制备稀土永磁体材料的方法
CN101640087A (zh) * 2008-07-04 2010-02-03 大同特殊钢株式会社 稀土磁体及其制造方法
JP2010114200A (ja) * 2008-11-05 2010-05-20 Daido Steel Co Ltd 希土類磁石の製造方法
CN101944430A (zh) * 2009-07-01 2011-01-12 信越化学工业株式会社 稀土磁体及其制备
JP2011060975A (ja) * 2009-09-09 2011-03-24 Nissan Motor Co Ltd 磁石成形体およびその製造方法
JP2011159733A (ja) * 2010-01-29 2011-08-18 Toyota Motor Corp ナノコンポジット磁石の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4654709B2 (ja) * 2004-07-28 2011-03-23 株式会社日立製作所 希土類磁石
JP2011035001A (ja) 2009-07-29 2011-02-17 Ulvac Japan Ltd 永久磁石の製造方法
CA2811451C (en) * 2010-09-15 2016-11-01 Toyota Jidosha Kabushiki Kaisha Production method of rare earth magnet

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792367A (en) * 1983-08-04 1988-12-20 General Motors Corporation Iron-rare earth-boron permanent
JPH02208902A (ja) * 1989-02-09 1990-08-20 Hitachi Metals Ltd 温間加工磁石の製造方法
JPH07283016A (ja) * 1994-04-05 1995-10-27 Tdk Corp 磁石およびその製造方法
JPH08250356A (ja) * 1995-03-13 1996-09-27 Daido Steel Co Ltd 異方性磁石用合金粉末、これを用いた異方性永久磁石とその製造方法
JPH08316014A (ja) * 1995-05-16 1996-11-29 Tdk Corp 磁石およびその製造方法
JPH09275004A (ja) * 1995-07-07 1997-10-21 Daido Steel Co Ltd 永久磁石とその製造方法
CN1764990A (zh) * 2003-03-31 2006-04-26 独立行政法人科学技术振兴机构 超小型制品用的微小、高性能稀土磁铁及其制造方法
JP2005209932A (ja) * 2004-01-23 2005-08-04 Tdk Corp 希土類磁石及びその製造方法、製造装置
CN1728295A (zh) * 2004-07-28 2006-02-01 株式会社日立制作所 稀土类磁铁
CN101006534A (zh) * 2005-04-15 2007-07-25 株式会社新王磁材 稀土类烧结磁铁及其制造方法
CN101158024A (zh) * 2006-04-14 2008-04-09 信越化学工业株式会社 制备稀土永磁体材料的方法
CN101640087A (zh) * 2008-07-04 2010-02-03 大同特殊钢株式会社 稀土磁体及其制造方法
JP2010114200A (ja) * 2008-11-05 2010-05-20 Daido Steel Co Ltd 希土類磁石の製造方法
CN101944430A (zh) * 2009-07-01 2011-01-12 信越化学工业株式会社 稀土磁体及其制备
JP2011060975A (ja) * 2009-09-09 2011-03-24 Nissan Motor Co Ltd 磁石成形体およびその製造方法
JP2011159733A (ja) * 2010-01-29 2011-08-18 Toyota Motor Corp ナノコンポジット磁石の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112074919A (zh) * 2018-03-07 2020-12-11 达姆施塔特工业大学 用于制造永磁体或硬磁性材料的方法

Also Published As

Publication number Publication date
KR20140089544A (ko) 2014-07-15
DE112012004741T5 (de) 2014-07-31
WO2013072728A1 (en) 2013-05-23
US20140308441A1 (en) 2014-10-16
JP5640954B2 (ja) 2014-12-17
WO2013072728A8 (en) 2013-07-25
KR101548274B1 (ko) 2015-08-28
JP2013105903A (ja) 2013-05-30

Similar Documents

Publication Publication Date Title
CN103946931A (zh) 稀土磁体制造方法
CN104835641B (zh) 稀土类磁铁的制造方法
JP5754232B2 (ja) 高保磁力ＮｄＦｅＢ磁石の製法
CN103918041B (zh) 稀土类磁石及其制造方法
CN103189943B (zh) 稀土磁体的制备方法
JP5120710B2 (ja) ＲＬ−ＲＨ−Ｔ−Ｍｎ−Ｂ系焼結磁石
JP6791614B2 (ja) モータ
CN104798150B (zh) 稀土类磁铁及其制造方法
US20150287528A1 (en) Process for producing rare-earth magnet
JP6221978B2 (ja) 希土類磁石の製造方法
JP6007945B2 (ja) ナノコンポジット磁石の製造方法
JP6274068B2 (ja) 希土類磁石の製造方法
CN102356172A (zh) 稀土永久磁石及其制造方法
KR101813427B1 (ko) 희토류 자석의 제조 방법
JP5742733B2 (ja) 希土類磁石の製造方法
JP2019186331A (ja) Ｎｄ−Ｆｅ−Ｂ系磁石の製造方法
EP3007192A1 (en) Method for manufacturing rare-earth magnets
JP7409285B2 (ja) 希土類磁石及びその製造方法
CN108257753A (zh) 稀土磁体
JP2013157345A (ja) 希土類磁石の製造方法
JP2013098319A (ja) Ｎｄ−Ｆｅ−Ｂ系磁石の製造方法
JP2025089744A (ja) 希土類磁石及びその製造方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140723