CA1276486C - Methode de fabrication d'aimants permanents contenant des terres rares - Google Patents

Methode de fabrication d'aimants permanents contenant des terres rares

Info

Publication number: CA1276486C
Authority: CA; Canada
Prior art keywords: particles; molten mass; chamber; rare; mass
Prior art date: 1985-09-04
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

CA000489948A

Other languages

English (en)

Inventor

Kalathur S.V.L. Narasimhan

Edward J. Dulis

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.)

Crucible Materials Corp

Original Assignee

Crucible 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.)

1985-09-04

Filing date

1985-09-04

Publication date

1990-11-20

1985-09-04 Application filed by Crucible Materials Corp filed Critical Crucible Materials Corp

1985-09-04 Priority to CA000489948A priority Critical patent/CA1276486C/fr

1990-11-20 Application granted granted Critical

1990-11-20 Publication of CA1276486C publication Critical patent/CA1276486C/fr

2007-11-20 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 33
238000004519 manufacturing process Methods 0.000 title description 7
239000002245 particle Substances 0.000 claims abstract description 58
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 52
229910045601 alloy Inorganic materials 0.000 claims abstract description 45
239000000956 alloy Substances 0.000 claims abstract description 45
238000000034 method Methods 0.000 claims abstract description 38
239000007788 liquid Substances 0.000 claims abstract description 37
150000002910 rare earth metals Chemical class 0.000 claims abstract description 30
229910052786 argon Inorganic materials 0.000 claims abstract description 26
230000006698 induction Effects 0.000 claims abstract description 18
239000012298 atmosphere Substances 0.000 claims abstract description 14
230000001681 protective effect Effects 0.000 claims abstract description 14
239000002826 coolant Substances 0.000 claims abstract description 11
238000001816 cooling Methods 0.000 claims abstract description 11
238000002844 melting Methods 0.000 claims abstract description 7
230000008018 melting Effects 0.000 claims abstract description 6
229910052779 Neodymium Inorganic materials 0.000 claims description 19
239000000203 mixture Substances 0.000 claims description 19
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 17
239000007789 gas Substances 0.000 claims description 11
229910052742 iron Inorganic materials 0.000 claims description 9
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 7
229910052796 boron Inorganic materials 0.000 claims description 7
239000012530 fluid Substances 0.000 claims description 5
239000012300 argon atmosphere Substances 0.000 claims 4
238000007711 solidification Methods 0.000 abstract description 9
230000008023 solidification Effects 0.000 abstract description 9
239000011261 inert gas Substances 0.000 abstract 1
239000000843 powder Substances 0.000 description 19
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
239000001301 oxygen Substances 0.000 description 6
229910052760 oxygen Inorganic materials 0.000 description 6
230000007547 defect Effects 0.000 description 5
239000010419 fine particle Substances 0.000 description 5
230000006872 improvement Effects 0.000 description 5
238000010902 jet-milling Methods 0.000 description 5
238000010791 quenching Methods 0.000 description 5
238000012360 testing method Methods 0.000 description 4
229910052772 Samarium Inorganic materials 0.000 description 3
238000000889 atomisation Methods 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
239000000463 material Substances 0.000 description 3
230000000171 quenching effect Effects 0.000 description 3
KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 3
229910052684 Cerium Inorganic materials 0.000 description 2
229910001122 Mischmetal Inorganic materials 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
229910052777 Praseodymium Inorganic materials 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 2
239000011230 binding agent Substances 0.000 description 2
238000005266 casting Methods 0.000 description 2
GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
238000000227 grinding Methods 0.000 description 2
239000012535 impurity Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 2
238000007712 rapid solidification Methods 0.000 description 2
238000005204 segregation Methods 0.000 description 2
238000005245 sintering Methods 0.000 description 2
229910052727 yttrium Inorganic materials 0.000 description 2
VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
241000489861 Maximus Species 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000005275 alloying Methods 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
238000000498 ball milling Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009529 body temperature measurement Methods 0.000 description 1
239000000470 constituent Substances 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
239000013078 crystal Substances 0.000 description 1
238000009826 distribution Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000009689 gas atomisation Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229910052746 lanthanum Inorganic materials 0.000 description 1
FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
239000006249 magnetic particle Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000012216 screening Methods 0.000 description 1
238000010583 slow cooling Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000010301 surface-oxidation reaction Methods 0.000 description 1
229910052723 transition metal Inorganic materials 0.000 description 1
150000003624 transition metals Chemical class 0.000 description 1

Landscapes

Hard Magnetic Materials (AREA)

CA000489948A 1985-09-04 1985-09-04 Methode de fabrication d'aimants permanents contenant des terres rares Expired - Fee Related CA1276486C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000489948A CA1276486C (fr)	1985-09-04	1985-09-04	Methode de fabrication d'aimants permanents contenant des terres rares

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000489948A CA1276486C (fr)	1985-09-04	1985-09-04	Methode de fabrication d'aimants permanents contenant des terres rares

Publications (1)

Publication Number	Publication Date
CA1276486C true CA1276486C (fr)	1990-11-20

Family

ID=4131301

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000489948A Expired - Fee Related CA1276486C (fr)	1985-09-04	1985-09-04	Methode de fabrication d'aimants permanents contenant des terres rares

Country Status (1)

Country	Link
CA (1)	CA1276486C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN109967748A (zh) *	2017-12-27	2019-07-05	宁波科宁达工业有限公司	一种制造稀土永磁合金粉末的方法
CN113674985A (zh) *	2021-08-26	2021-11-19	中国科学院江西稀土研究院	一种钕铁硼球形微粉及其制备方法

1985
- 1985-09-04 CA CA000489948A patent/CA1276486C/fr not_active Expired - Fee Related

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN109967748A (zh) *	2017-12-27	2019-07-05	宁波科宁达工业有限公司	一种制造稀土永磁合金粉末的方法
CN113674985A (zh) *	2021-08-26	2021-11-19	中国科学院江西稀土研究院	一种钕铁硼球形微粉及其制备方法

Legal Events

Date	Code	Title	Description
1993-05-22	MKLA	Lapsed

Publication	Publication Date	Title
US4585473A (en)	1986-04-29	Method for making rare-earth element containing permanent magnets
EP0133758B1 (fr)	1990-09-19	Aimants permanents à partir de fer, de métaux de terres rares et de bore, par traitement thermique
US4792367A (en)	1988-12-20	Iron-rare earth-boron permanent
US6296720B1 (en)	2001-10-02	Rare earth/iron/boron-based permanent magnet alloy composition
EP0284033B1 (fr)	1993-08-11	Méthode pour la fabrication d'un aimant anisotrope à liant, à base de terre rare-fer-bore, à partir de copeaux rubanés en alliage terre rare-fer-bore rapidement trempé
US4842656A (en)	1989-06-27	Anisotropic neodymium-iron-boron powder with high coercivity
EP0557103A1 (fr)	1993-08-25	Alliage mère pour la fabrication d'aimants et leur production et production d'aimants
EP1395381B1 (fr)	2006-04-05	Procede de coulage centrifuge et appareil de coulage centrifuge
EP0270934B1 (fr)	1992-07-22	Méthode de fabrication d'un aimant anisotrope fritté à base de terre rare-fer-bore à partir de copeaux en ruban en alliage terre rare-fer-bore rapidement trempé
JPH0617546B2 (ja)	1994-03-09	非常に低い保磁力の結晶性稀土類−遷移金属−ホウ素合金からの永久磁石製作
US4844754A (en)	1989-07-04	Iron-rare earth-boron permanent magnets by hot working
JP3505261B2 (ja)	2004-03-08	Ｓｍ−Ｃｏ系永久磁石材料、永久磁石及びその製造法
US5085716A (en)	1992-02-04	Hot worked rare earth-iron-carbon magnets
US4983230A (en)	1991-01-08	Platinum-cobalt alloy permanent magnets of enhanced coercivity
CA1276486C (fr)	1990-11-20	Methode de fabrication d'aimants permanents contenant des terres rares
KR950013978B1 (ko)	1995-11-18	알니코계 영구자석의 제조방법
CA2034632C (fr)	1997-05-13	Aimants produits a chaud a partir d'elements de terres rares, de fer et de carbone
JPS6320411A (ja)	1988-01-28	永久磁石用材料の製造方法
EP1652606B1 (fr)	2011-05-18	Procédé de coulage centrifuge, appareil de coulage centrifuge et alliage
JPH03162546A (ja)	1991-07-12	耐酸化性の優れた永久磁石合金の製造方法
JPH0582319A (ja)	1993-04-02	永久磁石
CN1227392A (zh)	1999-09-01	金属实收率高的稀土一铁一硼永磁材料及其工艺
JP2660917B2 (ja)	1997-10-08	希土類磁石の製造方法
JPS6316603A (ja)	1988-01-23	焼結型希土類磁石の製造方法
JP3125226B2 (ja)	2001-01-15	希土類金属‐遷移金属‐ホウ素系異方性焼結磁石の製造方法

CA1276486C - Methode de fabrication d'aimants permanents contenant des terres rares - Google Patents

Info

Links

Landscapes

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4131301

Family Applications (1)

Country Status (1)

Cited By (2)

Cited By (2)

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