JP7143605B2 - Ｒ－ｔ－ｂ系焼結磁石 - Google Patents

Ｒ－ｔ－ｂ系焼結磁石 Download PDF

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Publication number
JP7143605B2
JP7143605B2 JP2018055201A JP2018055201A JP7143605B2 JP 7143605 B2 JP7143605 B2 JP 7143605B2 JP 2018055201 A JP2018055201 A JP 2018055201A JP 2018055201 A JP2018055201 A JP 2018055201A JP 7143605 B2 JP7143605 B2 JP 7143605B2
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main phase
sintered magnet
magnet
particles
phase
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JP2018174313A (ja
JP2018174313A5 (enExample
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佳則 藤川
将史 三輪
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TDK Corp
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TDK Corp
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Priority to US15/939,719 priority Critical patent/US10748685B2/en
Priority to CN201810292546.7A priority patent/CN108695032B/zh
Publication of JP2018174313A publication Critical patent/JP2018174313A/ja
Publication of JP2018174313A5 publication Critical patent/JP2018174313A5/ja
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  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
JP2018055201A 2017-03-30 2018-03-22 Ｒ－ｔ－ｂ系焼結磁石 Active JP7143605B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/939,719 US10748685B2 (en) 2017-03-30 2018-03-29 R-T-B based sintered magnet
CN201810292546.7A CN108695032B (zh) 2017-03-30 2018-03-30 R-t-b系烧结磁铁

Applications Claiming Priority (2)

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JP2017069147 2017-03-30
JP2017069147 2017-03-30

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JP2018174313A JP2018174313A (ja) 2018-11-08
JP2018174313A5 JP2018174313A5 (enExample) 2021-04-15
JP7143605B2 true JP7143605B2 (ja) 2022-09-29

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102871820B1 (ko) 2022-08-24 2025-10-15 미쓰비시덴키 가부시키가이샤 희토류 소결 자석, 희토류 소결 자석의 제조 방법, 회전자 및 회전기
JP7742957B2 (ja) 2023-02-06 2025-09-22 三菱電機株式会社 希土類焼結磁石、希土類焼結磁石の製造方法、回転子および回転機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002356701A (ja) 2001-03-30 2002-12-13 Sumitomo Special Metals Co Ltd 希土類合金焼結体およびその製造方法
JP2012099852A (ja) 2006-11-30 2012-05-24 Hitachi Metals Ltd Ｒ−Ｆｅ−Ｂ系微細結晶高密度磁石
WO2012161355A1 (ja) 2011-05-25 2012-11-29 Tdk株式会社 希土類焼結磁石、希土類焼結磁石の製造方法及び回転機
JP2013084890A (ja) 2011-09-29 2013-05-09 Hitachi Metals Ltd Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP2015135935A (ja) 2013-03-28 2015-07-27 Tdk株式会社 希土類磁石
JP2016152246A (ja) 2015-02-16 2016-08-22 Tdk株式会社 希土類系永久磁石
JP2016154219A (ja) 2015-02-16 2016-08-25 Tdk株式会社 希土類系永久磁石

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2893265B2 (ja) * 1988-12-01 1999-05-17 株式会社トーキン 希土類永久磁石合金及びその製造方法
JP2904571B2 (ja) * 1990-10-29 1999-06-14 信越化学工業株式会社 希土類異方性焼結永久磁石の製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002356701A (ja) 2001-03-30 2002-12-13 Sumitomo Special Metals Co Ltd 希土類合金焼結体およびその製造方法
JP2012099852A (ja) 2006-11-30 2012-05-24 Hitachi Metals Ltd Ｒ−Ｆｅ−Ｂ系微細結晶高密度磁石
WO2012161355A1 (ja) 2011-05-25 2012-11-29 Tdk株式会社 希土類焼結磁石、希土類焼結磁石の製造方法及び回転機
JP2013084890A (ja) 2011-09-29 2013-05-09 Hitachi Metals Ltd Ｒ−ｔ−ｂ系焼結磁石の製造方法
JP2015135935A (ja) 2013-03-28 2015-07-27 Tdk株式会社 希土類磁石
JP2016152246A (ja) 2015-02-16 2016-08-22 Tdk株式会社 希土類系永久磁石
JP2016154219A (ja) 2015-02-16 2016-08-25 Tdk株式会社 希土類系永久磁石

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