JP4391980B2 - 磁気異方性希土類焼結磁石の製造方法及び製造装置 - Google Patents

磁気異方性希土類焼結磁石の製造方法及び製造装置 Download PDF

Info

Publication number
JP4391980B2
JP4391980B2 JP2005322921A JP2005322921A JP4391980B2 JP 4391980 B2 JP4391980 B2 JP 4391980B2 JP 2005322921 A JP2005322921 A JP 2005322921A JP 2005322921 A JP2005322921 A JP 2005322921A JP 4391980 B2 JP4391980 B2 JP 4391980B2
Authority
JP
Japan
Prior art keywords
mold
rare earth
magnetic field
powder
sintered magnet
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.)
Expired - Fee Related
Application number
JP2005322921A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007134353A (ja
JP2007134353A5 (enExample
Inventor
眞人 佐川
浩 永田
修 板谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intermetallics Co Ltd
Original Assignee
Intermetallics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Intermetallics Co Ltd filed Critical Intermetallics Co Ltd
Priority to JP2005322921A priority Critical patent/JP4391980B2/ja
Publication of JP2007134353A publication Critical patent/JP2007134353A/ja
Publication of JP2007134353A5 publication Critical patent/JP2007134353A5/ja
Application granted granted Critical
Publication of JP4391980B2 publication Critical patent/JP4391980B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
JP2005322921A 2005-11-07 2005-11-07 磁気異方性希土類焼結磁石の製造方法及び製造装置 Expired - Fee Related JP4391980B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005322921A JP4391980B2 (ja) 2005-11-07 2005-11-07 磁気異方性希土類焼結磁石の製造方法及び製造装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005322921A JP4391980B2 (ja) 2005-11-07 2005-11-07 磁気異方性希土類焼結磁石の製造方法及び製造装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008201031A Division JP4819104B2 (ja) 2008-08-04 2008-08-04 磁気異方性希土類焼結磁石の製造方法及び製造装置

Publications (3)

Publication Number Publication Date
JP2007134353A JP2007134353A (ja) 2007-05-31
JP2007134353A5 JP2007134353A5 (enExample) 2007-07-26
JP4391980B2 true JP4391980B2 (ja) 2009-12-24

Family

ID=38155797

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005322921A Expired - Fee Related JP4391980B2 (ja) 2005-11-07 2005-11-07 磁気異方性希土類焼結磁石の製造方法及び製造装置

Country Status (1)

Country Link
JP (1) JP4391980B2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014174935A1 (ja) * 2013-04-24 2014-10-30 インターメタリックス株式会社 焼結磁石製造用モールド、及びそれを用いた焼結磁石製造方法
WO2016047593A1 (ja) 2014-09-28 2016-03-31 Ndfeb株式会社 希土類焼結磁石の製造方法及び当該製法にて使用される製造装置

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5322026B2 (ja) * 2008-01-29 2013-10-23 Tdk株式会社 希土類焼結磁石の製造方法
JP2008294468A (ja) * 2008-08-04 2008-12-04 Inter Metallics Kk NdFeB系磁石の製造方法
EP2348518B1 (en) * 2008-11-06 2016-08-24 Intermetallics Co., Ltd. Method for producing sintered rare earth magnet
JP2010219499A (ja) * 2009-02-18 2010-09-30 Tdk Corp R−t−b系希土類焼結磁石及びその製造方法
JP5359513B2 (ja) * 2009-04-23 2013-12-04 日立金属株式会社 R−tm−b系ラジアル異方性リング磁石の製造方法
WO2011024936A1 (ja) * 2009-08-28 2011-03-03 インターメタリックス株式会社 NdFeB系焼結磁石の製造方法、製造装置、及び該製造方法によって製造されるNdFeB系焼結磁石
JP5218869B2 (ja) * 2011-05-24 2013-06-26 住友電気工業株式会社 希土類−鉄−窒素系合金材、希土類−鉄−窒素系合金材の製造方法、希土類−鉄系合金材、及び希土類−鉄系合金材の製造方法
JP2013062482A (ja) * 2011-08-22 2013-04-04 Sumitomo Electric Ind Ltd 磁石用圧粉成形体の製造方法、磁石用圧粉成形体、及び焼結体
JP2013110225A (ja) * 2011-11-18 2013-06-06 Sumitomo Electric Ind Ltd 磁性部材及びその製造方法
JP6271425B2 (ja) * 2012-07-24 2018-01-31 インターメタリックス株式会社 NdFeB系焼結磁石の製造方法
CN103990805B (zh) * 2014-05-11 2016-06-22 沈阳中北通磁科技股份有限公司 一种钕铁硼稀土永磁合金的制粉方法和设备
JP6337616B2 (ja) * 2014-05-28 2018-06-06 大同特殊鋼株式会社 焼結磁石製造用モールド及び焼結磁石製造方法
CN105513737A (zh) 2016-01-21 2016-04-20 烟台首钢磁性材料股份有限公司 一种不含重稀土元素烧结钕铁硼磁体的制备方法
WO2018038170A1 (ja) * 2016-08-26 2018-03-01 Ndfeb株式会社 希土類焼結磁石とその製造方法
JP7255514B2 (ja) * 2020-02-19 2023-04-11 株式会社豊田中央研究所 希土類磁石粉末の製造方法
CN112053843B (zh) * 2020-08-17 2022-04-29 包头韵升强磁材料有限公司 一种大尺寸烧结钕铁硼坯料的成型模压方法
CN112164572B (zh) * 2020-09-01 2022-07-22 安徽省瀚海新材料股份有限公司 一种钕铁硼产品的压制成型工艺
JP7576862B2 (ja) * 2021-01-26 2024-11-01 Ndfeb株式会社 Nd-Fe-B積層焼結磁石およびその製造方法
CN113145845B (zh) * 2021-03-04 2023-11-07 上海平野磁气有限公司 一种全自动无压力磁粉成型机及磁粉成型料胚的制造方法
JP7574736B2 (ja) * 2021-05-12 2024-10-29 信越化学工業株式会社 希土類焼結磁石及び希土類焼結磁石の製造方法
JP7779042B2 (ja) * 2021-08-23 2025-12-03 大同特殊鋼株式会社 周配向断面円弧状、ラジアル配向断面円弧状、または集中配向断面矩形の板磁石、ならびにその製造方法
CN114800583B (zh) * 2022-04-18 2023-09-26 浙江大学 一种两相驱动柔性手爪
CN116884756B (zh) * 2023-07-05 2025-10-24 瑞声开泰科技(马鞍山)有限公司 薄型异形磁钢的制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014174935A1 (ja) * 2013-04-24 2014-10-30 インターメタリックス株式会社 焼結磁石製造用モールド、及びそれを用いた焼結磁石製造方法
JPWO2014174935A1 (ja) * 2013-04-24 2017-02-23 インターメタリックス株式会社 焼結磁石製造用モールド、及びそれを用いた焼結磁石製造方法
WO2016047593A1 (ja) 2014-09-28 2016-03-31 Ndfeb株式会社 希土類焼結磁石の製造方法及び当該製法にて使用される製造装置
KR20170033218A (ko) 2014-09-28 2017-03-24 엔디에프이비 코포레이션 희토류 소결자석의 제조방법 및 해당 제법에 사용되는 제조장치
US10629345B2 (en) 2014-09-28 2020-04-21 Ndfeb Corporation Production method of rare earth sintered magnet and production device used in the production method

Also Published As

Publication number Publication date
JP2007134353A (ja) 2007-05-31

Similar Documents

Publication Publication Date Title
JP4391980B2 (ja) 磁気異方性希土類焼結磁石の製造方法及び製造装置
JP4391897B2 (ja) 磁気異方性希土類焼結磁石の製造方法及び製造装置
JP4819104B2 (ja) 磁気異方性希土類焼結磁石の製造方法及び製造装置
US8287661B2 (en) Method for producing R-T-B sintered magnet
JP5598465B2 (ja) R−t−b−m系焼結磁石用合金及びその製造方法
JP4819103B2 (ja) 磁気異方性希土類焼結磁石の製造方法及び製造装置
WO2017033266A1 (ja) 磁石粒子およびそれを用いた磁石成形体
JP2012079726A (ja) R−t−b−m系焼結磁石用合金の製造方法およびr−t−b−m系焼結磁石の製造方法
JP2005209932A (ja) 希土類磁石及びその製造方法、製造装置
JPH08167515A (ja) R−Fe−B系永久磁石材料の製造方法
JP2006265601A (ja) 希土類磁石焼結用容器及びそれを用いた希土類磁石の製造方法
JP2007266038A (ja) 希土類永久磁石の製造方法
JPWO2018038170A1 (ja) 希土類焼結磁石とその製造方法
JP2005197299A (ja) 希土類焼結磁石及びその製造方法
JP2005197301A (ja) 希土類焼結磁石及びその製造方法
Koper et al. Improving the properties of permanent magnets: a study of patents, patent applications and other literature
JP2005213544A (ja) 磁場中成形方法及び希土類焼結磁石の製造方法
JP2005197300A (ja) 希土類焼結磁石及びその製造方法
JP4662046B2 (ja) 希土類焼結磁石の製造方法
JP4561432B2 (ja) R−t−b系焼結磁石の製造方法
JP2005209838A (ja) 希土類焼結磁石の製造方法及び製造装置
JP2005344165A (ja) 希土類焼結磁石の製造方法、熱処理方法
JP2022155355A (ja) R-t-b系永久磁石用合金およびr-t-b系永久磁石の製造方法
JP2005197298A (ja) 希土類焼結磁石及びその製造方法
JP2005206909A (ja) 磁場中成形方法及び希土類焼結磁石の製造方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070607

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070607

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20070611

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20071009

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071120

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080118

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20080603

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080731

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080804

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20080924

A911 Transfer of reconsideration by examiner before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20081028

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090728

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090730

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20090730

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090908

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20091008

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121016

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121016

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131016

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees