KR101029458B1 - 희토류 자석 및 그 제조방법 - Google Patents

희토류 자석 및 그 제조방법 Download PDF

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Publication number
KR101029458B1
KR101029458B1 KR1020080094480A KR20080094480A KR101029458B1 KR 101029458 B1 KR101029458 B1 KR 101029458B1 KR 1020080094480 A KR1020080094480 A KR 1020080094480A KR 20080094480 A KR20080094480 A KR 20080094480A KR 101029458 B1 KR101029458 B1 KR 101029458B1
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KR
South Korea
Prior art keywords
rare earth
zinc
protective layer
magnet body
magnet
Prior art date
Application number
KR1020080094480A
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English (en)
Korean (ko)
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KR20090033076A (ko
Inventor
마사시 미와
준 하기와라
Original Assignee
티디케이가부시기가이샤
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Application filed by 티디케이가부시기가이샤 filed Critical 티디케이가부시기가이샤
Publication of KR20090033076A publication Critical patent/KR20090033076A/ko
Application granted granted Critical
Publication of KR101029458B1 publication Critical patent/KR101029458B1/ko

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    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
KR1020080094480A 2007-09-28 2008-09-26 희토류 자석 및 그 제조방법 KR101029458B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007255326 2007-09-28
JPJP-P-2007-00255326 2007-09-28
JPJP-P-2008-00246534 2008-09-25
JP2008246534A JP5245682B2 (ja) 2007-09-28 2008-09-25 希土類磁石及びその製造方法

Publications (2)

Publication Number Publication Date
KR20090033076A KR20090033076A (ko) 2009-04-01
KR101029458B1 true KR101029458B1 (ko) 2011-04-15

Family

ID=40702622

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020080094480A KR101029458B1 (ko) 2007-09-28 2008-09-26 희토류 자석 및 그 제조방법

Country Status (5)

Country Link
JP (1) JP5245682B2 (zh)
KR (1) KR101029458B1 (zh)
CN (1) CN101447332B (zh)
AT (1) ATE475975T1 (zh)
DE (1) DE602008001932D1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5293662B2 (ja) * 2010-03-23 2013-09-18 Ｔｄｋ株式会社 希土類磁石及び回転機
CN106409458B (zh) * 2016-05-27 2018-08-17 慈溪市华夏电器实业有限公司 一种电机复合永磁材料及其制备方法
CN106373498A (zh) * 2016-12-06 2017-02-01 深圳市洲明科技股份有限公司 Led灯珠防护方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03123009A (ja) * 1989-06-09 1991-05-24 Kanegafuchi Chem Ind Co Ltd 合成樹脂結合型磁石の製造方法
JPH11251121A (ja) * 1997-12-19 1999-09-17 Shin Etsu Chem Co Ltd 高耐食性永久磁石およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3966631B2 (ja) * 1998-12-15 2007-08-29 信越化学工業株式会社 希土類・鉄・ボロン系永久磁石の製造方法
CN100361239C (zh) * 2002-11-29 2008-01-09 株式会社新王磁材 抗腐蚀稀土金属基永磁体的制造方法、抗腐蚀稀土金属基永磁体
JP2006049864A (ja) * 2004-06-30 2006-02-16 Shin Etsu Chem Co Ltd 耐食性希土類磁石及びその製造方法
CN1934660A (zh) * 2004-06-30 2007-03-21 信越化学工业株式会社 耐腐蚀的稀土磁体及其制造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03123009A (ja) * 1989-06-09 1991-05-24 Kanegafuchi Chem Ind Co Ltd 合成樹脂結合型磁石の製造方法
JPH11251121A (ja) * 1997-12-19 1999-09-17 Shin Etsu Chem Co Ltd 高耐食性永久磁石およびその製造方法

Also Published As

Publication number Publication date
JP5245682B2 (ja) 2013-07-24
DE602008001932D1 (de) 2010-09-09
KR20090033076A (ko) 2009-04-01
CN101447332B (zh) 2012-02-22
CN101447332A (zh) 2009-06-03
JP2009099968A (ja) 2009-05-07
ATE475975T1 (de) 2010-08-15

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