JPH0325922B2 - - Google Patents

Info

Publication number: JPH0325922B2
Authority: JP; Japan
Prior art keywords: permanent magnet; present; magnetic; grain size; magnet material
Prior art date: 1983-03-08
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

JP58037896A

Other languages

English (en)

Japanese (ja)

Other versions

JPS59163802A (ja

Inventor

Setsuo Fujimura

Masato Sagawa

Yutaka Matsura

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.)

Proterial Ltd

Original Assignee

Sumitomo Special Metals 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.)

1983-03-08

Filing date

1983-03-08

Publication date

1991-04-09

1983-03-08 Priority to JP58037896A priority Critical patent/JPS59163802A/ja

1983-03-08 Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd

1983-07-04 Priority to CA000431730A priority patent/CA1316375C/en

1983-07-05 Priority to EP83106573A priority patent/EP0101552B2/en

1983-07-05 Priority to DE198383106573T priority patent/DE101552T1/de

1983-07-05 Priority to DE8383106573T priority patent/DE3380376D1/de

1984-09-14 Publication of JPS59163802A publication Critical patent/JPS59163802A/ja

1987-02-10 Priority to US07/013,165 priority patent/US4770723A/en

1988-07-26 Priority to US07/224,411 priority patent/US5096512A/en

1990-07-02 Priority to SG48490A priority patent/SG48490G/en

1990-08-30 Priority to HK682/90A priority patent/HK68290A/xx

1991-04-09 Publication of JPH0325922B2 publication Critical patent/JPH0325922B2/ja

1992-04-30 Priority to US07/876,902 priority patent/US5194098A/en

1992-04-30 Priority to US07/877,400 priority patent/US5183516A/en

1994-02-10 Priority to US08/194,647 priority patent/US5466308A/en

1995-06-07 Priority to US08/485,183 priority patent/US5645651A/en

1997-04-29 Priority to US08/848,283 priority patent/US5766372A/en

Status Granted legal-status Critical Current

Links

239000000463 material Substances 0.000 claims description 48
230000005291 magnetic effect Effects 0.000 claims description 39
239000013078 crystal Substances 0.000 claims description 27
239000000203 mixture Substances 0.000 claims description 20
229910052761 rare earth metal Inorganic materials 0.000 claims description 14
229910052779 Neodymium Inorganic materials 0.000 claims description 8
229910052777 Praseodymium Inorganic materials 0.000 claims description 6
229910052684 Cerium Inorganic materials 0.000 claims description 4
229910052692 Dysprosium Inorganic materials 0.000 claims description 4
229910052688 Gadolinium Inorganic materials 0.000 claims description 4
229910052689 Holmium Inorganic materials 0.000 claims description 4
229910052771 Terbium Inorganic materials 0.000 claims description 4
229910052746 lanthanum Inorganic materials 0.000 claims description 3
239000000696 magnetic material Substances 0.000 claims description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 28
230000005415 magnetization Effects 0.000 description 21
150000001875 compounds Chemical class 0.000 description 18
229910045601 alloy Inorganic materials 0.000 description 15
239000000956 alloy Substances 0.000 description 15
229910001047 Hard ferrite Inorganic materials 0.000 description 12
239000002245 particle Substances 0.000 description 12
238000005245 sintering Methods 0.000 description 11
KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 9
229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 9
229910052796 boron Inorganic materials 0.000 description 8
238000000034 method Methods 0.000 description 8
230000007423 decrease Effects 0.000 description 7
230000005347 demagnetization Effects 0.000 description 6
230000004907 flux Effects 0.000 description 6
239000010419 fine particle Substances 0.000 description 5
239000000843 powder Substances 0.000 description 5
239000010409 thin film Substances 0.000 description 5
229910052772 Samarium Inorganic materials 0.000 description 4
229910000828 alnico Inorganic materials 0.000 description 4
239000012535 impurity Substances 0.000 description 4
150000002910 rare earth metals Chemical class 0.000 description 4
229910052782 aluminium Inorganic materials 0.000 description 3
229910017052 cobalt Inorganic materials 0.000 description 3
239000010941 cobalt Substances 0.000 description 3
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
238000010298 pulverizing process Methods 0.000 description 3
229910052710 silicon Inorganic materials 0.000 description 3
229910052727 yttrium Inorganic materials 0.000 description 3
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
229910000640 Fe alloy Inorganic materials 0.000 description 2
238000004364 calculation method Methods 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000005266 casting Methods 0.000 description 2
230000000052 comparative effect Effects 0.000 description 2
239000010949 copper Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
230000005381 magnetic domain Effects 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
230000006911 nucleation Effects 0.000 description 2
238000010899 nucleation Methods 0.000 description 2
239000002994 raw material Substances 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
229910000722 Didymium Inorganic materials 0.000 description 1
241000224487 Didymium Species 0.000 description 1
229910052691 Erbium Inorganic materials 0.000 description 1
229910052693 Europium Inorganic materials 0.000 description 1
229910052765 Lutetium Inorganic materials 0.000 description 1
229910052775 Thulium Inorganic materials 0.000 description 1
229910052769 Ytterbium Inorganic materials 0.000 description 1
229910052787 antimony Inorganic materials 0.000 description 1
229910052797 bismuth Inorganic materials 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000003302 ferromagnetic material Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
229910052735 hafnium Inorganic materials 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000009776 industrial production Methods 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000000465 moulding Methods 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
229910052758 niobium Inorganic materials 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
229910052698 phosphorus Inorganic materials 0.000 description 1
238000005498 polishing Methods 0.000 description 1
KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
238000004544 sputter deposition Methods 0.000 description 1
239000007858 starting material Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
229910052718 tin Inorganic materials 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
229910052721 tungsten Inorganic materials 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
229910052726 zirconium Inorganic materials 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0433—Nickel- or cobalt-based alloys
- C22C1/0441—Alloys based on intermetallic compounds of the type rare earth - Co, Ni
- 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
- 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
- H01F1/0577—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 sintered
- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Power Engineering (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Hard Magnetic Materials (AREA)

JP58037896A 1982-08-21 1983-03-08 永久磁石材料 Granted JPS59163802A (ja)

Priority Applications (14)

Application Number	Priority Date	Filing Date	Title
JP58037896A JPS59163802A (ja)	1983-03-08	1983-03-08	永久磁石材料
CA000431730A CA1316375C (en)	1982-08-21	1983-07-04	Magnetic materials and permanent magnets
EP83106573A EP0101552B2 (en)	1982-08-21	1983-07-05	Magnetic materials, permanent magnets and methods of making those
DE198383106573T DE101552T1 (de)	1982-08-21	1983-07-05	Magnetische materialien und permanente magnete.
DE8383106573T DE3380376D1 (en)	1982-08-21	1983-07-05	Magnetic materials, permanent magnets and methods of making those
US07/013,165 US4770723A (en)	1982-08-21	1987-02-10	Magnetic materials and permanent magnets
US07/224,411 US5096512A (en)	1982-08-21	1988-07-26	Magnetic materials and permanent magnets
SG48490A SG48490G (en)	1982-08-21	1990-07-02	Magnetic materials,permanent magnets and methods of making those
HK682/90A HK68290A (en)	1982-08-21	1990-08-30	Magnetic materials,permanent magnets and methods of making those
US07/876,902 US5194098A (en)	1982-08-21	1992-04-30	Magnetic materials
US07/877,400 US5183516A (en)	1982-08-21	1992-04-30	Magnetic materials and permanent magnets
US08/194,647 US5466308A (en)	1982-08-21	1994-02-10	Magnetic precursor materials for making permanent magnets
US08/485,183 US5645651A (en)	1982-08-21	1995-06-07	Magnetic materials and permanent magnets
US08/848,283 US5766372A (en)	1982-08-21	1997-04-29	Method of making magnetic precursor for permanent magnets

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP58037896A JPS59163802A (ja)	1983-03-08	1983-03-08	永久磁石材料

Publications (2)

Publication Number	Publication Date
JPS59163802A JPS59163802A (ja)	1984-09-14
JPH0325922B2 true JPH0325922B2 (zh)	1991-04-09

Family

ID=12510300

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP58037896A Granted JPS59163802A (ja)	1982-08-21	1983-03-08	永久磁石材料

Country Status (1)

Country	Link
JP (1)	JPS59163802A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2597659A2 (en)	2004-07-01	2013-05-29	Intermetallics Co., Ltd.	Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1273231A (en) *	1984-12-10	1990-08-28	Kalathur S.V.L. Narasimhan	Permanent magnet alloy
JPS61150201A (ja) *	1984-12-24	1986-07-08	Sumitomo Special Metals Co Ltd	耐食性のすぐれた永久磁石
JPS6338217A (ja) *	1986-08-04	1988-02-18	Tohoku Metal Ind Ltd	焼結型希土類磁石の製造方法
DE68925506T2 (de) *	1988-10-04	1996-09-19	Hitachi Metals Ltd	Gebundener R-Fe-B-Magnet und Verfahren zur Herstellung
EP2273513B1 (en)	2008-03-31	2019-10-16	Hitachi Metals, Ltd.	R-t-b-type sintered magnet and method for production thereof

1983
- 1983-03-08 JP JP58037896A patent/JPS59163802A/ja active Granted

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2597659A2 (en)	2004-07-01	2013-05-29	Intermetallics Co., Ltd.	Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy
EP2597660A2 (en)	2004-07-01	2013-05-29	Intermetallics Co., Ltd.	Method and system for manufacturing sintered rare-earth magnet having magnetic anisotropy

Also Published As

Publication number	Publication date
JPS59163802A (ja)	1984-09-14

Publication	Publication Date	Title
EP0101552B2 (en)	2002-12-11	Magnetic materials, permanent magnets and methods of making those
EP0126179B2 (en)	1992-06-17	Process for producing permanent magnet materials
US4684406A (en)	1987-08-04	Permanent magnet materials
JPS6134242B2 (zh)	1986-08-06
EP0134304A1 (en)	1985-03-20	Permanent magnets
JPH0319296B2 (zh)	1991-03-14
JPH0232761B2 (zh)	1990-07-23
JPH0316761B2 (zh)	1991-03-06
JP3488358B2 (ja)	2004-01-19	微細結晶永久磁石合金及び永久磁石粉末の製造方法
JPH0474426B2 (zh)	1992-11-26
JPH0325922B2 (zh)	1991-04-09
US5230749A (en)	1993-07-27	Permanent magnets
JPH052735B2 (zh)	1993-01-13
US5183516A (en)	1993-02-02	Magnetic materials and permanent magnets
JPH0474425B2 (zh)	1992-11-26
JPS6365742B2 (zh)	1988-12-16
JPH0535210B2 (zh)	1993-05-26
JPH0536495B2 (zh)	1993-05-31
JPH044386B2 (zh)	1992-01-28
JPH1064710A (ja)	1998-03-06	高磁束密度を有する等方性永久磁石とその製造方法
JP2868963B2 (ja)	1999-03-10	永久磁石材料、ボンド磁石用原料、ボンド磁石用原料粉末及びボンド磁石の製造方法
JPH0536494B2 (zh)	1993-05-31
JPH05112852A (ja)	1993-05-07	永久磁石合金
JP2975333B2 (ja)	1999-11-10	焼結永久磁石用原料、焼結永久磁石用原料粉末及び焼結永久磁石の製造方法
JPH06231920A (ja)	1994-08-19	希土類永久磁石