JP4391985B2 - NdFeB系磁石の製造方法 - Google Patents

NdFeB系磁石の製造方法 Download PDF

Info

Publication number
JP4391985B2
JP4391985B2 JP2005378821A JP2005378821A JP4391985B2 JP 4391985 B2 JP4391985 B2 JP 4391985B2 JP 2005378821 A JP2005378821 A JP 2005378821A JP 2005378821 A JP2005378821 A JP 2005378821A JP 4391985 B2 JP4391985 B2 JP 4391985B2
Authority
JP
Japan
Prior art keywords
mold
alloy powder
powder
magnetic field
ndfeb
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 - Lifetime
Application number
JP2005378821A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007180372A5 (https=
JP2007180372A (ja
Inventor
眞人 佐川
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 JP2005378821A priority Critical patent/JP4391985B2/ja
Publication of JP2007180372A publication Critical patent/JP2007180372A/ja
Publication of JP2007180372A5 publication Critical patent/JP2007180372A5/ja
Application granted granted Critical
Publication of JP4391985B2 publication Critical patent/JP4391985B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Powder Metallurgy (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
JP2005378821A 2005-12-28 2005-12-28 NdFeB系磁石の製造方法 Expired - Lifetime JP4391985B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005378821A JP4391985B2 (ja) 2005-12-28 2005-12-28 NdFeB系磁石の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005378821A JP4391985B2 (ja) 2005-12-28 2005-12-28 NdFeB系磁石の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008201032A Division JP2008294468A (ja) 2008-08-04 2008-08-04 NdFeB系磁石の製造方法

Publications (3)

Publication Number Publication Date
JP2007180372A JP2007180372A (ja) 2007-07-12
JP2007180372A5 JP2007180372A5 (https=) 2007-08-23
JP4391985B2 true JP4391985B2 (ja) 2009-12-24

Family

ID=38305249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005378821A Expired - Lifetime JP4391985B2 (ja) 2005-12-28 2005-12-28 NdFeB系磁石の製造方法

Country Status (1)

Country Link
JP (1) JP4391985B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5381081B2 (ja) * 2008-12-22 2014-01-08 富士通株式会社 磁気記録媒体、磁気記憶装置および磁気記録媒体の製造方法
JP7056086B2 (ja) * 2016-11-09 2022-04-19 Tdk株式会社 希土類磁石の製造方法
JP7028123B2 (ja) * 2018-09-21 2022-03-02 トヨタ自動車株式会社 希土類磁石の製造方法
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
CN115229942B (zh) * 2022-09-25 2022-11-29 常州市武进红东电子有限公司 制备小尺寸烧结钕铁硼多极磁环的气动压制装置及方法

Also Published As

Publication number Publication date
JP2007180372A (ja) 2007-07-12

Similar Documents

Publication Publication Date Title
KR101185930B1 (ko) 자기이방성 희토류 소결자석의 제조방법 및 제조장치
JP6330813B2 (ja) R−t−b系焼結磁石、および、モータ
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
JP6476640B2 (ja) R−t−b系焼結磁石
JP6645219B2 (ja) R−t−b系焼結磁石用合金、及びr−t−b系焼結磁石
JPWO2015020183A1 (ja) R−t−b系焼結磁石、および、モータ
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
JP5643355B2 (ja) NdFeB焼結磁石の製造方法
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
JP6613730B2 (ja) 希土類磁石の製造方法
JP5462230B2 (ja) NdFeB系焼結磁石の製造方法
JP2008294468A (ja) NdFeB系磁石の製造方法
JP7633066B2 (ja) 材料の評価方法
JP5962662B2 (ja) 希土類系焼結磁石用粉末の再生方法および再生装置
JP4391985B2 (ja) NdFeB系磁石の製造方法
JP4033884B2 (ja) 希土類焼結磁石の製造方法
JP2002164239A (ja) 希土類焼結磁石の製造方法およびリング磁石およびアークセグメント磁石
JP7779042B2 (ja) 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
JP4089212B2 (ja) 希土類合金の造粒粉の製造方法および希土類合金焼結体の製造方法
US20060272450A1 (en) Method for producing rare earth based alloy powder and method for producing rare earth based sintered magnet
JP2008263243A (ja) NdFeB系焼結磁石の製造方法
JP4034936B2 (ja) 耐熱性に優れた永久磁石合金およびその製造法
JP4240988B2 (ja) 希土類合金の造粒粉の製造方法、希土類合金の造粒粉の製造装置および希土類合金焼結体の製造方法
JP4879583B2 (ja) NdFeB系焼結磁石製造用モールド及びNdFeB系焼結磁石の製造方法
JP7645121B2 (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

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: 20070803

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071030

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071225

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: 20090526

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090722

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20090722

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

Ref document number: 4391985

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

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

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350