JP2020161789A5 - - Google Patents

Download PDF

Info

Publication number
JP2020161789A5
JP2020161789A5 JP2019176506A JP2019176506A JP2020161789A5 JP 2020161789 A5 JP2020161789 A5 JP 2020161789A5 JP 2019176506 A JP2019176506 A JP 2019176506A JP 2019176506 A JP2019176506 A JP 2019176506A JP 2020161789 A5 JP2020161789 A5 JP 2020161789A5
Authority
JP
Japan
Prior art keywords
mass
magnet
oxygen
gradually decreases
content
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.)
Granted
Application number
JP2019176506A
Other languages
English (en)
Japanese (ja)
Other versions
JP2020161789A (ja
JP7059995B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to CN202010199666.XA priority Critical patent/CN111739704B/zh
Priority to US16/826,380 priority patent/US11239011B2/en
Priority to EP20165258.3A priority patent/EP3716297B1/en
Publication of JP2020161789A publication Critical patent/JP2020161789A/ja
Publication of JP2020161789A5 publication Critical patent/JP2020161789A5/ja
Application granted granted Critical
Publication of JP7059995B2 publication Critical patent/JP7059995B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2019176506A 2019-03-25 2019-09-27 R-t-b系焼結磁石 Active JP7059995B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202010199666.XA CN111739704B (zh) 2019-03-25 2020-03-20 R-t-b系烧结磁体
US16/826,380 US11239011B2 (en) 2019-03-25 2020-03-23 Sintered R-T-B based magnet
EP20165258.3A EP3716297B1 (en) 2019-03-25 2020-03-24 Sintered r-t-b based magnet

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019056142 2019-03-25
JP2019056142 2019-03-25

Publications (3)

Publication Number Publication Date
JP2020161789A JP2020161789A (ja) 2020-10-01
JP2020161789A5 true JP2020161789A5 (enExample) 2022-02-08
JP7059995B2 JP7059995B2 (ja) 2022-04-26

Family

ID=72639909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2019176506A Active JP7059995B2 (ja) 2019-03-25 2019-09-27 R-t-b系焼結磁石

Country Status (2)

Country Link
JP (1) JP7059995B2 (enExample)
CN (1) CN111739704B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY206732A (en) * 2020-11-12 2025-01-03 Shinetsu Chemical Co Method for manufacturing rare earth sintered magnet
JP7831045B2 (ja) * 2022-03-22 2026-03-17 株式会社プロテリアル R-t-b系焼結磁石
JP7248169B1 (ja) * 2022-03-22 2023-03-29 株式会社プロテリアル R-t-b系焼結磁石

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4753024B2 (ja) * 2005-03-24 2011-08-17 Tdk株式会社 R−t−b系焼結磁石用原料合金、r−t−b系焼結磁石及びその製造方法
US20150059525A1 (en) * 2012-03-30 2015-03-05 Intermetallics Co., Ltd. NdFeB SYSTEM SINTERED MAGNET
US20150162117A1 (en) * 2012-06-13 2015-06-11 Hitachi, Ltd. Sintered magnet and production process therefor
JP2014086529A (ja) * 2012-10-23 2014-05-12 Toyota Motor Corp 希土類焼結磁石とその製造方法
JP5464289B1 (ja) * 2013-04-22 2014-04-09 Tdk株式会社 R−t−b系焼結磁石
WO2015022946A1 (ja) * 2013-08-12 2015-02-19 日立金属株式会社 R-t-b系焼結磁石およびr-t-b系焼結磁石の製造方法
CN107077964B (zh) * 2014-09-11 2020-11-03 日立金属株式会社 R-t-b系烧结磁体的制造方法
WO2016133067A1 (ja) * 2015-02-17 2016-08-25 日立金属株式会社 R-t-b系焼結磁石の製造方法
CN107077965B (zh) * 2015-07-30 2018-12-28 日立金属株式会社 R-t-b系烧结磁体的制造方法
JP6501038B2 (ja) * 2016-08-17 2019-04-17 日立金属株式会社 R−t−b系焼結磁石
CN108154988B (zh) * 2016-12-06 2020-10-23 Tdk株式会社 R-t-b系永久磁铁
JP7251917B2 (ja) * 2016-12-06 2023-04-04 Tdk株式会社 R-t-b系永久磁石
CN109983553B (zh) * 2017-01-31 2020-05-01 日立金属株式会社 R-t-b系烧结磁体的制造方法

Similar Documents

Publication Publication Date Title
TW200643995A (en) Rare earth permanent magnet
WO2008139556A1 (ja) R-t-b系焼結磁石
TW200705472A (en) Rare earth permanent magnet
TW200636768A (en) Nd-Fe-B rare earth permanent magnet material
PH12012000096A1 (en) Rare earth permanent magnets and their preparation
RU2009144282A (ru) СПОСОБ ИЗГОТОВЛЕНИЯ СПЕЧЕННОГО МАГНИТА NdFeB
TW200802428A (en) Method for producing rare earth permanent magnet material
JP2009170541A5 (enExample)
WO2006004998A3 (en) Anisotropic nanocomposite rare earth permanent magnets and method of making
MY142131A (en) Functionally graded rare earth permanent magnet
WO2002093591A3 (en) Iron-based rare earth alloy nanocomposite magnet and method for producing the same
EP1071102A4 (en) MAGNETIC RECORDING MEDIUM AND MAGNETIC POWDER, AND PRODUCTION METHOD
JPH11307328A5 (enExample)
EA201000508A1 (ru) Композиция для получения постоянного спеченного магнита, спеченный постоянный магнит и способ его получения
JP2018174314A5 (enExample)
JP2009249739A5 (enExample)
JP2020161790A5 (enExample)
EP1189245A3 (en) Magnetic alloy powder for permanent magnet and method for producing the same
EP1239494A3 (en) Fept magnet and manufacturing method thereof
WO1986006207A1 (fr) Aimant multipolaire
EP1785208A3 (en) Magnetic iron based powder having high coercive force, and their use for a magnetic recording medium
JPS6448403A (en) Rare earth-iron-boron magnet powder and manufacture thereof
AU2003292519A1 (en) Magnetic separator with ferrite and rare earth permanent magnets
JPH0869907A (ja) 永久磁石材料及びそれを用いたボンド磁石材料
SU851504A1 (ru) Способ намагничивани посто нныхМАгНиТОВ