EP3625807A4 - Aimant déformé à chaud et procédé de préparation dudit aimant déformé à chaud - Google Patents

Aimant déformé à chaud et procédé de préparation dudit aimant déformé à chaud Download PDF

Info

Publication number: EP3625807A4
Authority: EP; European Patent Office
Prior art keywords: hot; deformed magnet; preparing; deformed; magnet
Prior art date: 2017-05-19
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

EP17910333.8A

Other languages

German (de)

English (en)

Other versions

EP3625807B1 (fr

EP3625807A1 (fr

Inventor

Xin TANG

Hossein SEPEHRI-AMIN

Tadaktsu OHKUBO

Kazuhiro Hono

Jiaqing Yu

Bicheng Chen

Witold Pieper

Juergen Oberle

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.)

Robert Bosch GmbH

National Institute for Materials Science

Original Assignee

Robert Bosch GmbH

National Institute for Materials Science

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.)

2017-05-19

Filing date

2017-05-19

Publication date

2020-06-17

2017-05-19 Application filed by Robert Bosch GmbH, National Institute for Materials Science filed Critical Robert Bosch GmbH

2020-03-25 Publication of EP3625807A1 publication Critical patent/EP3625807A1/fr

2020-06-17 Publication of EP3625807A4 publication Critical patent/EP3625807A4/fr

2021-03-24 Application granted granted Critical

2021-03-24 Publication of EP3625807B1 publication Critical patent/EP3625807B1/fr

Status Active legal-status Critical Current

2037-05-19 Anticipated expiration legal-status Critical

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0576—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Hard Magnetic Materials (AREA)
Continuous Casting (AREA)
Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Powder Metallurgy (AREA)
Manufacturing Cores, Coils, And Magnets (AREA)

EP17910333.8A 2017-05-19 2017-05-19 Aimant déformé à chaud et procédé de préparation dudit aimant déformé à chaud Active EP3625807B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/CN2017/085072 WO2018209681A1 (fr)	2017-05-19	2017-05-19	Aimant déformé à chaud et procédé de préparation dudit aimant déformé à chaud

Publications (3)

Publication Number	Publication Date
EP3625807A1 EP3625807A1 (fr)	2020-03-25
EP3625807A4 true EP3625807A4 (fr)	2020-06-17
EP3625807B1 EP3625807B1 (fr)	2021-03-24

Family

ID=64273192

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17910333.8A Active EP3625807B1 (fr)	2017-05-19	2017-05-19	Aimant déformé à chaud et procédé de préparation dudit aimant déformé à chaud

Country Status (4)

Country	Link
EP (1)	EP3625807B1 (fr)
JP (1)	JP6865857B2 (fr)
CN (1)	CN110753978B (fr)
WO (1)	WO2018209681A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110060834B (zh) *	2019-05-16	2021-06-08	常州威斯双联科技有限公司	软磁合金粉体、吸波片、其制备方法、电子元器件和电子设备
CN111326336B (zh) *	2020-02-28	2021-06-22	大连理工大学	一种振荡式热变形和渗透一体化的高矫顽力稀土永磁体制备方法
US12586700B2 (en) *	2021-02-08	2026-03-24	Korea Institute Of Materials Science	Method for manufacturing anisotropic rare earth bulk magnet, and anisotropic rare earth bulk magnet manufactured thereby
CN115938771B (zh) *	2021-11-05	2024-04-12	燕山大学	一种SmFexM12-x纳米晶永磁材料的制备方法
CN117877826A (zh)	2024-02-01	2024-04-12	烟台东星磁性材料股份有限公司	钕铁硼磁体及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5211766A (en) *	1992-01-21	1993-05-18	General Motors Corporation	Anisotropic neodymium-iron-boron permanent magnets formed at reduced hot working temperatures
US5395462A (en) *	1991-01-28	1995-03-07	Mitsubishi Materials Corporation	Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnet
FR2779267A1 (fr) *	1998-05-28	1999-12-03	Rhodia Chimie Sa	Procede de preparation d'un materiau magnetique par forgeage et materiau magnetique sous forme de poudre
CN106448986A (zh) *	2016-09-23	2017-02-22	四川大学	一种各向异性纳米晶稀土永磁体及其制备方法

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US5352301A (en) *	1992-11-20	1994-10-04	General Motors Corporation	Hot pressed magnets formed from anisotropic powders
JPH10189320A (ja) *	1996-12-25	1998-07-21	Daido Steel Co Ltd	異方性磁石合金粉末およびその製造方法
JPH11233323A (ja) *	1998-02-13	1999-08-27	Daido Steel Co Ltd	異方性磁石材料の製造方法とそれを使用するボンド磁石の製造方法
US6302939B1 (en) *	1999-02-01	2001-10-16	Magnequench International, Inc.	Rare earth permanent magnet and method for making same
WO2004013872A1 (fr) *	2002-08-05	2004-02-12	Santoku Corporation	Aimant permanent et son procede de fabrication
JP4730545B2 (ja) *	2006-04-14	2011-07-20	信越化学工業株式会社	希土類永久磁石材料の製造方法
CN102640238B (zh) *	2009-12-09	2015-01-21	爱知制钢株式会社	稀土类各向异性磁铁及其制造方法
JP2011184730A (ja) *	2010-03-08	2011-09-22	Tdk Corp	希土類合金粉末の製造方法及び永久磁石
CN101847487B (zh) *	2010-06-30	2012-05-30	烟台正海磁性材料股份有限公司	梯度矫顽力钕铁硼磁体及其生产方法
JP5906874B2 (ja) *	2011-03-28	2016-04-20	日立金属株式会社	Ｒ−ｔ−ｂ系永久磁石の製造方法
JP5640946B2 (ja) *	2011-10-11	2014-12-17	トヨタ自動車株式会社	希土類磁石前駆体である焼結体の製造方法
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CN102610347B (zh) *	2012-03-15	2016-03-16	江苏东瑞磁材科技有限公司	稀土永磁合金材料及其制备工艺
CN102693799B (zh) *	2012-06-12	2015-03-25	钢铁研究总院	永磁快淬带的电磁凝固及热压纳米晶磁体及其制备方法
JP5752094B2 (ja) *	2012-08-08	2015-07-22	ミネベア株式会社	フルデンス希土類−鉄系ボンド磁石の製造方法
CN103050267B (zh) *	2012-12-31	2016-01-20	厦门钨业股份有限公司	一种基于细粉热处理的烧结Nd-Fe-B系磁铁制作方法
JP2014170859A (ja) *	2013-03-04	2014-09-18	Honda Motor Co Ltd	磁気異方性磁石およびその製造方法
CN104505207B (zh) *	2014-12-15	2017-09-29	钢铁研究总院	大长径比辐向热压永磁环及其制备方法

2017
- 2017-05-19 JP JP2019563829A patent/JP6865857B2/ja active Active
- 2017-05-19 EP EP17910333.8A patent/EP3625807B1/fr active Active
- 2017-05-19 CN CN201780090979.8A patent/CN110753978B/zh active Active
- 2017-05-19 WO PCT/CN2017/085072 patent/WO2018209681A1/fr not_active Ceased

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5395462A (en) *	1991-01-28	1995-03-07	Mitsubishi Materials Corporation	Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnet
US5211766A (en) *	1992-01-21	1993-05-18	General Motors Corporation	Anisotropic neodymium-iron-boron permanent magnets formed at reduced hot working temperatures
FR2779267A1 (fr) *	1998-05-28	1999-12-03	Rhodia Chimie Sa	Procede de preparation d'un materiau magnetique par forgeage et materiau magnetique sous forme de poudre
CN106448986A (zh) *	2016-09-23	2017-02-22	四川大学	一种各向异性纳米晶稀土永磁体及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018209681A1 *

Also Published As

Publication number	Publication date
JP6865857B2 (ja)	2021-04-28
EP3625807B1 (fr)	2021-03-24
JP2020520414A (ja)	2020-07-09
CN110753978A (zh)	2020-02-04
CN110753978B (zh)	2021-09-28
EP3625807A1 (fr)	2020-03-25
WO2018209681A1 (fr)	2018-11-22

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