JP7035683B2 - R-t-b系焼結磁石 - Google Patents

R-t-b系焼結磁石 Download PDF

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JP7035683B2
JP7035683B2 JP2018055202A JP2018055202A JP7035683B2 JP 7035683 B2 JP7035683 B2 JP 7035683B2 JP 2018055202 A JP2018055202 A JP 2018055202A JP 2018055202 A JP2018055202 A JP 2018055202A JP 7035683 B2 JP7035683 B2 JP 7035683B2
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magnet
main phase
sintered magnet
rtb
particles
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JP2018174314A (ja
JP2018174314A5 (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 US15/940,049 priority Critical patent/US10734143B2/en
Priority to CN201810292680.7A priority patent/CN108695033B/zh
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  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP2018055202A 2017-03-30 2018-03-22 R-t-b系焼結磁石 Active JP7035683B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US15/940,049 US10734143B2 (en) 2017-03-30 2018-03-29 R-T-B based sintered magnet
CN201810292680.7A CN108695033B (zh) 2017-03-30 2018-03-30 R-t-b系烧结磁铁

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JP2017069156 2017-03-30
JP2017069156 2017-03-30

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JP2018174314A JP2018174314A (ja) 2018-11-08
JP2018174314A5 JP2018174314A5 (enExample) 2021-04-22
JP7035683B2 true JP7035683B2 (ja) 2022-03-15

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7167673B2 (ja) * 2018-12-03 2022-11-09 Tdk株式会社 R‐t‐b系永久磁石の製造方法
WO2021107011A1 (ja) * 2019-11-27 2021-06-03 Tdk株式会社 R-t-b系永久磁石
CN113450984B (zh) * 2020-03-26 2024-05-17 Tdk株式会社 R-t-b系永久磁铁
CN115315764B (zh) * 2020-03-30 2025-10-28 Tdk株式会社 R-t-b系永久磁铁及其制造方法、马达及汽车
WO2023223532A1 (ja) * 2022-05-20 2023-11-23 三菱電機株式会社 ラバー磁石及び冷蔵庫用ドアパッキン

Citations (4)

* 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
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
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041203A (ja) * 1983-05-20 1985-03-04 Hitachi Metals Ltd 磁気特性に優れたボンド磁石ならびにその製造方法
JP3037699B2 (ja) * 1988-09-30 2000-04-24 日立金属株式会社 耐割れ性及び配向性を改善した温間加工磁石ならびにその製造方法
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
EP2043114B1 (en) * 2006-11-30 2019-01-02 Hitachi Metals, Ltd. R-fe-b microcrystalline high-density magnet and process for production thereof
JP6044866B2 (ja) * 2011-09-29 2016-12-14 日立金属株式会社 R−t−b系焼結磁石の製造方法

Patent Citations (4)

* 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
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
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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