JP2007180374A5 - - Google Patents

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Publication number
JP2007180374A5
JP2007180374A5 JP2005378823A JP2005378823A JP2007180374A5 JP 2007180374 A5 JP2007180374 A5 JP 2007180374A5 JP 2005378823 A JP2005378823 A JP 2005378823A JP 2005378823 A JP2005378823 A JP 2005378823A JP 2007180374 A5 JP2007180374 A5 JP 2007180374A5
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JP
Japan
Prior art keywords
alloy powder
ndfeb
sintered magnet
manufacturing
filled
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JP2005378823A
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English (en)
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JP2007180374A (ja
JP4283802B2 (ja
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Priority to JP2005378823A priority Critical patent/JP4283802B2/ja
Priority claimed from JP2005378823A external-priority patent/JP4283802B2/ja
Publication of JP2007180374A publication Critical patent/JP2007180374A/ja
Publication of JP2007180374A5 publication Critical patent/JP2007180374A5/ja
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Publication of JP4283802B2 publication Critical patent/JP4283802B2/ja
Expired - Fee Related legal-status Critical Current
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Claims (2)

  1. 製品の形状と寸法に対応して設計された充填焼成容器にNdFeB系磁石用合金粉末(以下これを合金粉末という)を充填し、この合金粉末に磁界を印加して配向し、その後この合金粉末を充填焼成容器ごと加熱して、所望の形状と寸法を持つ焼結体を得るNdFeB系焼結磁石の製法において、レーザー法で測定された合金粉末の粒径の中央値が3μm以下であり、かつ、合金粉末中に含まれる酸素含有量が2000ppm以下であることを特徴とするNdFeB系焼結磁石の製造方法。
  2. 前記加熱時の温度が900℃〜1000℃であることを特徴とする請求項1に記載のNdFeB系焼結磁石の製造方法。
JP2005378823A 2005-12-28 2005-12-28 NdFeB系焼結磁石の製造方法 Expired - Fee Related JP4283802B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005378823A JP4283802B2 (ja) 2005-12-28 2005-12-28 NdFeB系焼結磁石の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005378823A JP4283802B2 (ja) 2005-12-28 2005-12-28 NdFeB系焼結磁石の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008201034A Division JP4966269B2 (ja) 2008-08-04 2008-08-04 NdFeB系焼結磁石の製造方法

Publications (3)

Publication Number Publication Date
JP2007180374A JP2007180374A (ja) 2007-07-12
JP2007180374A5 true JP2007180374A5 (ja) 2007-08-23
JP4283802B2 JP4283802B2 (ja) 2009-06-24

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ID=38305251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005378823A Expired - Fee Related JP4283802B2 (ja) 2005-12-28 2005-12-28 NdFeB系焼結磁石の製造方法

Country Status (1)

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JP (1) JP4283802B2 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2273513B1 (en) 2008-03-31 2019-10-16 Hitachi Metals, Ltd. R-t-b-type sintered magnet and method for production thereof
EP2980815A4 (en) * 2013-03-25 2016-03-16 Intermetallics Co Ltd PROCESS FOR PRODUCING SINTERED MAGNET
JP6372088B2 (ja) * 2013-03-29 2018-08-15 大同特殊鋼株式会社 RFeB系磁石の製造方法
JP7112055B2 (ja) 2019-05-23 2022-08-03 三菱電機株式会社 情報処理装置、プログラム生成方法およびプログラム
CN112614685B (zh) * 2020-11-26 2022-06-24 宁波源盛磁业有限公司 一种烧结钕铁硼永磁体控氧制备方法及制得的钕铁硼永磁体

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