JPH0579724B2 - - Google Patents

Info

Publication number: JPH0579724B2
Authority: JP; Japan
Prior art keywords: temperature; alloy; heat storage; storage material; rare earth
Prior art date: 1990-05-11
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

JP2122651A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0417604A (ja

Inventor

Takuo Takeshita

Ryoji Nakayama

Tamotsu Ogawa

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.)

Mitsubishi Materials Corp

Original Assignee

Mitsubishi Materials Corp

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.)

1990-05-11

Filing date

1990-05-11

Publication date

1993-11-04

1990-05-11 Application filed by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp

1990-05-11 Priority to JP2122651A priority Critical patent/JPH0417604A/ja

1990-07-31 Priority to DE69009335T priority patent/DE69009335T2/de

1990-07-31 Priority to US07/560,594 priority patent/US5228930A/en

1990-07-31 Priority to EP90114691A priority patent/EP0411571B1/fr

1992-01-22 Publication of JPH0417604A publication Critical patent/JPH0417604A/ja

1992-11-19 Priority to US07/978,911 priority patent/US5338371A/en

1993-11-04 Publication of JPH0579724B2 publication Critical patent/JPH0579724B2/ja

Status Granted legal-status Critical Current

Links

239000000843 powder Substances 0.000 claims description 33
229910045601 alloy Inorganic materials 0.000 claims description 31
239000000956 alloy Substances 0.000 claims description 31
230000005291 magnetic effect Effects 0.000 claims description 30
238000005338 heat storage Methods 0.000 claims description 29
239000011232 storage material Substances 0.000 claims description 29
238000004519 manufacturing process Methods 0.000 claims description 11
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
229910052761 rare earth metal Inorganic materials 0.000 claims description 9
229910052720 vanadium Inorganic materials 0.000 claims description 8
238000002844 melting Methods 0.000 claims description 5
230000008018 melting Effects 0.000 claims description 5
239000012535 impurity Substances 0.000 claims description 4
239000000919 ceramic Substances 0.000 claims description 2
238000001816 cooling Methods 0.000 claims description 2
239000000463 material Substances 0.000 claims description 2
239000007769 metal material Substances 0.000 claims description 2
150000002910 rare earth metals Chemical class 0.000 claims 5
239000000696 magnetic material Substances 0.000 claims 1
238000010298 pulverizing process Methods 0.000 claims 1
229910000521 B alloy Inorganic materials 0.000 description 27
238000006243 chemical reaction Methods 0.000 description 8
230000007423 decrease Effects 0.000 description 8
238000010438 heat treatment Methods 0.000 description 8
230000009466 transformation Effects 0.000 description 8
238000000034 method Methods 0.000 description 7
239000000203 mixture Substances 0.000 description 6
230000000694 effects Effects 0.000 description 5
238000000265 homogenisation Methods 0.000 description 5
229910052739 hydrogen Inorganic materials 0.000 description 5
239000001257 hydrogen Substances 0.000 description 5
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
239000002994 raw material Substances 0.000 description 4
230000003247 decreasing effect Effects 0.000 description 3
230000006866 deterioration Effects 0.000 description 3
238000012545 processing Methods 0.000 description 3
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
238000006356 dehydrogenation reaction Methods 0.000 description 2
238000010586 diagram Methods 0.000 description 2
229910000765 intermetallic Inorganic materials 0.000 description 2
229910052750 molybdenum Inorganic materials 0.000 description 2
229910052721 tungsten Inorganic materials 0.000 description 2
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
229910052779 Neodymium Inorganic materials 0.000 description 1
229910052777 Praseodymium Inorganic materials 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
238000005266 casting Methods 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
238000003795 desorption Methods 0.000 description 1
239000003822 epoxy resin Substances 0.000 description 1
230000005294 ferromagnetic effect Effects 0.000 description 1
230000004907 flux Effects 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
239000000395 magnesium oxide Substances 0.000 description 1
229910001004 magnetic alloy Inorganic materials 0.000 description 1
230000005415 magnetization Effects 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
229910052758 niobium Inorganic materials 0.000 description 1
239000002245 particle Substances 0.000 description 1
229920000647 polyepoxide Polymers 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
238000000844 transformation Methods 0.000 description 1
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
239000010937 tungsten Substances 0.000 description 1

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
- H01F1/0573—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 obtained by reduction or by hydrogen decrepitation or embrittlement

Landscapes

Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Hard Magnetic Materials (AREA)
Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Powder Metallurgy (AREA)

JP2122651A 1989-07-31 1990-05-11 磁気特性に優れた希土類磁石合金粉末の製造法 Granted JPH0417604A (ja)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
JP2122651A JPH0417604A (ja)	1990-05-11	1990-05-11	磁気特性に優れた希土類磁石合金粉末の製造法
DE69009335T DE69009335T2 (de)	1989-07-31	1990-07-31	Seltenerdpulver für Dauermagnet, Herstellungsverfahren und Verbundmagnet.
US07/560,594 US5228930A (en)	1989-07-31	1990-07-31	Rare earth permanent magnet power, method for producing same and bonded magnet
EP90114691A EP0411571B1 (fr)	1989-07-31	1990-07-31	Poudre à base de terre rare pour aimant, méthode de préparation et aimant à liant
US07/978,911 US5338371A (en)	1989-07-31	1992-11-19	Rare earth permanent magnet powder, method for producing same and bonded magnet

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2122651A JPH0417604A (ja)	1990-05-11	1990-05-11	磁気特性に優れた希土類磁石合金粉末の製造法

Publications (2)

Publication Number	Publication Date
JPH0417604A JPH0417604A (ja)	1992-01-22
JPH0579724B2 true JPH0579724B2 (fr)	1993-11-04

Family

ID=14841254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2122651A Granted JPH0417604A (ja)	1989-07-31	1990-05-11	磁気特性に優れた希土類磁石合金粉末の製造法

Country Status (1)

Country	Link
JP (1)	JPH0417604A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06151132A (ja) *	1992-10-29	1994-05-31	Mitsubishi Materials Corp	異方性磁石材料粉末の製造方法およびその製造方法により得られた異方性磁石材料粉末を用いた磁石の製造方法
EP0633582B1 (fr) *	1992-12-28	1998-02-25	Aichi Steel Works, Ltd.	Poudre magnetique de terres rares et procede pour sa fabrication
US6444052B1 (en)	1999-10-13	2002-09-03	Aichi Steel Corporation	Production method of anisotropic rare earth magnet powder

1990
- 1990-05-11 JP JP2122651A patent/JPH0417604A/ja active Granted

Also Published As

Publication number	Publication date
JPH0417604A (ja)	1992-01-22

Legal Events

Date	Code	Title	Description
2006-02-01	S111	Request for change of ownership or part of ownership	Free format text: JAPANESE INTERMEDIATE CODE: R313111
2006-02-09	R350	Written notification of registration of transfer	Free format text: JAPANESE INTERMEDIATE CODE: R350
2006-11-07	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2007-10-30	FPAY	Renewal fee payment (event date is renewal date of database)	Free format text: PAYMENT UNTIL: 20081104 Year of fee payment: 15
2008-11-04	LAPS	Cancellation because of no payment of annual fees

Publication	Publication Date	Title
EP0556751B1 (fr)	1998-06-10	Alliage de lingot pour un aimant permanent powders anisotropes pour un aimant permanent, procédé pour la fabrication de ladite et aimant permanent
EP0411571B1 (fr)	1994-06-01	Poudre à base de terre rare pour aimant, méthode de préparation et aimant à liant
WO1994015345A1 (fr)	1994-07-07	Poudre magnetique de terres rares, procede pour sa fabrication, et aimant agglomere par resine
JPH04245403A (ja)	1992-09-02	希土類−Ｆｅ−Ｃｏ−Ｂ系異方性磁石
JP2586198B2 (ja)	1997-02-26	磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石
JPH03129702A (ja)	1991-06-03	磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石
JP2625163B2 (ja)	1997-07-02	永久磁石粉末の製造方法
JPH024901A (ja)	1990-01-09	希土類−Ｆｅ−Ｂ系合金磁石粉末の製造法
JP2576672B2 (ja)	1997-01-29	磁気的異方性および耐食性に優れた希土類ーＦｅーＣｏーＢ系永久磁石粉末およびボンド磁石
JPS63238215A (ja)	1988-10-04	異方性磁性材料の製造方法
JPH06128610A (ja)	1994-05-10	永久磁石用異方性希土類合金粉末の製造方法
JPH0579724B2 (fr)	1993-11-04
JPH0579723B2 (fr)	1993-11-04
JP3645312B2 (ja)	2005-05-11	磁性材料と製造法
JP2586199B2 (ja)	1997-02-26	磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｃｏ―Ｂ系永久磁石粉末およびボンド磁石
JP2010255098A (ja)	2010-11-11	希土類合金粉末及びその製造方法、並びに異方性ボンド磁石用コンパウンド及び異方性ボンド磁石
JPH04260302A (ja)	1992-09-16	磁石粉末およびその製造方法ならびにボンディッド磁石
JPH06124812A (ja)	1994-05-06	窒化物磁性粉とその合成方法
JPH08176617A (ja)	1996-07-09	磁気異方性に優れた希土類−Ｆｅ−Ｂ系合金磁石粉末の製造方法
JP2827643B2 (ja)	1998-11-25	希土類−Ｆｅ−Ｂ系磁石合金粉末の製造法
JP2753430B2 (ja)	1998-05-20	ボンド磁石
JPH06112019A (ja)	1994-04-22	窒化物磁性材料
JP2818718B2 (ja)	1998-10-30	永久磁石粉末
JP3353461B2 (ja)	2002-12-03	希土類磁石粉末製造用原料合金
WO2025141626A1 (fr)	2025-07-03	Procédé de production de poudre d'aimant en terres rares