KR870009410A - 자기 이방성 본드자석과 그에 이용되는 자분 및 그 제조 방법 - Google Patents
자기 이방성 본드자석과 그에 이용되는 자분 및 그 제조 방법 Download PDFInfo
- Publication number
- KR870009410A KR870009410A KR870002541A KR870002541A KR870009410A KR 870009410 A KR870009410 A KR 870009410A KR 870002541 A KR870002541 A KR 870002541A KR 870002541 A KR870002541 A KR 870002541A KR 870009410 A KR870009410 A KR 870009410A
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic
- anisotropic
- magnets
- magnetic powder
- alloy
- Prior art date
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
-
- 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
- H01F1/0578—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 bonded together
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (13)
- 자기적으로 이방성화한 평균 결정 입경이 0.01 내지 0.5㎛인 R-Fe-B 계합금(R은 Y를 포함하는 1종 또는 2종 이상의 회토류 원소, 또 Fe의 일부를 CO로 치환한 R-Fe-CO-B계 합금을 포함하고, 더욱이 첨가원소(M)로서 Si,Al,Nb,Zr,Hf,Mo,Ga,P,C의 1종 또는 2종 이상의 조합을 이용한 R-Fe-B-M계 합금, R-Fe-Co-B-M계 합금을 포함함)을 평균 입경 1 내지 1,000㎛로 분쇄한 것을 특징으로 하는 본드자석용 자분.
- 제1항에 있어서,분쇄에 제공하는 R-Fe-B 합금의 특정 방향(이방성화 방향)의 잔류 자속밀도가 8KG 이상인 것을 특징으로 하는 본드자석용 자분.
- 제1항에 있어서,R-Fe-B계 합금 분말이 R:11 내지 18at%, B: 4내지 11at%, CO: 30at% 이하, 전부 Fe 및 불가의 불순물로 이루어진 것을 특징으로 하는 본드자석용 자분.
- 제1항에 있어서,R-Fe-B계 합금 분말이 초급냉법에 의해 얻어진 박편을 HIP, 고온 프레스에 의해 고밀도화한 후, 소성변형에 의해 이방성화된 것인 것을 특징으로 하는 본드자석용 자분.
- 제4항에 있어서,상기 소성변형의 수단이 온간 업셋팅 가공인 것을 특징으로 하는 본드자석용 자분.
- 제1항에 있어서,상기 첨가원소의 첨가량이 0.01 내지 3at%인 것을 특징으로 하는 본드자석용 자분.
- 제1항에 있어서,결정립의 C축에 수직인 방향의 평균직경(C)과 C축 방향의 평균직경(a)의 비C/a의 평균치가 2이상인 것을 특징으로 하는 본드자석용 자분.
- 평균 결정 입경이 0.01 내지 0.5㎛인 R-Fe-B계 합금분말(R은 Y를 포함하는 1종 또는 2종 이상의 희토류 원소, 또 Fe의 일부를 CO로 치환된 R-Fe-CO-B계 합금을 포함하고, 더욱이 첨가원소(M)로서 Si,Al,Nb,Zr,Hf,Mo,Ga,P,C의 1종 또는 2종 이상의 조합을 이용한 R-Fe-B-M계, R-Fe-CO-B-M계 합금 포함함)을 15 내지 40체적%의 결합제와 혼합하고, 자장중 압축성형, 자장중 사출성형 기타의 기계가공에 의해 제조된 것을 특징으로 하는 이방성 본드자석.
- 제8항에 있어서,R-Fe-B계 합금 분말이 R:11 내지 18at%, B:14 내지 11at%, CO: 30at%이하, 전부 Fe 및 불가피 불순물로 이루어진 것을 특징으로 하는 이방성 본드자석.
- 제8항에 있어서,R-Fe-B계 합금 분말이 초급냉법에 의해 얻어진 박편을 HIP, 고온 프레스에 의해 고밀도화한 후, 소성변형에 의해 이방성화한 소재를 거칠게 분쇄하여 얻어지는 것을 특징으로 하는 이방성 본드자석.
- 제10항에 있어서,상기 소성변형을 부여하는 수단으로서 온간 업셋팅 가공으로 한 것을 특징으로 하는 이방성 본드자석.
- 제8항에 있어서,상기 첨가원소의 첨가량이 0.001 내지 3at%인 것을 특징으로 하는 이방성 본드자석.
- 제8항에 있어서,내경 10 내지 15㎜, 외경 13 내지 18㎜, 높이 25㎜ 이하의 형상을 가지는 사출성형에 의해 성형된 것을 특징으로 하는 이방성 본드자석.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62174 | 1986-03-20 | ||
JP6217486 | 1986-03-20 | ||
JP10618786 | 1986-05-09 | ||
JP106187 | 1986-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR870009410A true KR870009410A (ko) | 1987-10-26 |
Family
ID=26403232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR870002541A KR870009410A (ko) | 1986-03-20 | 1987-03-20 | 자기 이방성 본드자석과 그에 이용되는 자분 및 그 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (3) | US4921553A (ko) |
EP (1) | EP0239031B2 (ko) |
JP (1) | JP2530641B2 (ko) |
KR (1) | KR870009410A (ko) |
DE (1) | DE3763272D1 (ko) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5538565A (en) * | 1985-08-13 | 1996-07-23 | Seiko Epson Corporation | Rare earth cast alloy permanent magnets and methods of preparation |
US6136099A (en) * | 1985-08-13 | 2000-10-24 | Seiko Epson Corporation | Rare earth-iron series permanent magnets and method of preparation |
KR900006533B1 (ko) | 1987-01-06 | 1990-09-07 | 히다찌 긴조꾸 가부시끼가이샤 | 이방성 자성분말과 이의 자석 및 이의 제조방법 |
US4983232A (en) * | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
US5213631A (en) * | 1987-03-02 | 1993-05-25 | Seiko Epson Corporation | Rare earth-iron system permanent magnet and process for producing the same |
US4923533A (en) * | 1987-07-31 | 1990-05-08 | Tdk Corporation | Magnetic shield-forming magnetically soft powder, composition thereof, and process of making |
CN1012477B (zh) * | 1987-08-19 | 1991-05-01 | 三菱金属株式会社 | 稀土-铁-硼磁体粉末及其制备方法 |
DE68922911T2 (de) * | 1988-02-29 | 1996-02-08 | Matsushita Electric Ind Co Ltd | Verfahren zur Herstellung von kunstharzgebundenen magnetischen Gegenstandes. |
JP2839264B2 (ja) * | 1988-07-15 | 1998-12-16 | 松下電器産業株式会社 | 永久磁石 |
US5190684A (en) * | 1988-07-15 | 1993-03-02 | Matsushita Electric Industrial Co., Ltd. | Rare earth containing resin-bonded magnet and its production |
EP0362812B1 (en) * | 1988-10-04 | 1996-01-24 | Hitachi Metals, Ltd. | Bonded isotropic R-Fe-B-magnet and method for making it |
DE69003720T3 (de) * | 1989-04-14 | 1999-04-22 | Daido Tokushuko K.K., Nagoya, Aichi | Verfahren und Vorrichtung für die Herstellung eines anisotropen Seltenerd-Magneten. |
US5098486A (en) * | 1989-05-23 | 1992-03-24 | Hitachi Metals, Ltd. | Magnetically anisotropic hotworked magnet and method of producing same |
US5026419A (en) * | 1989-05-23 | 1991-06-25 | Hitachi Metals, Ltd. | Magnetically anisotropic hotworked magnet and method of producing same |
US5244510A (en) * | 1989-06-13 | 1993-09-14 | Yakov Bogatin | Magnetic materials and process for producing the same |
US5180445A (en) * | 1989-06-13 | 1993-01-19 | Sps Technologies, Inc. | Magnetic materials |
JP2576672B2 (ja) * | 1989-07-31 | 1997-01-29 | 三菱マテリアル株式会社 | 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 |
JPH03241705A (ja) * | 1989-11-14 | 1991-10-28 | Hitachi Metals Ltd | 磁気異方性磁石及びその製造方法 |
US5213703A (en) * | 1990-02-09 | 1993-05-25 | Matsushita Electric Industrial Co., Ltd. | Anisotropic neodymium-iron-boron system plastic bonded magnet |
JP2780429B2 (ja) * | 1990-03-30 | 1998-07-30 | 松下電器産業株式会社 | 希土類―鉄系磁石の製造方法 |
JP3164810B2 (ja) * | 1990-04-18 | 2001-05-14 | 松下電器産業株式会社 | 異方性永久磁石の製造方法 |
US5250206A (en) * | 1990-09-26 | 1993-10-05 | Mitsubishi Materials Corporation | Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom |
JP2586199B2 (ja) * | 1990-09-26 | 1997-02-26 | 三菱マテリアル株式会社 | 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 |
JP2586198B2 (ja) * | 1990-09-26 | 1997-02-26 | 三菱マテリアル株式会社 | 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 |
US5178692A (en) * | 1992-01-13 | 1993-01-12 | General Motors Corporation | Anisotropic neodymium-iron-boron powder with high coercivity and method for forming same |
US5211766A (en) * | 1992-01-21 | 1993-05-18 | General Motors Corporation | Anisotropic neodymium-iron-boron permanent magnets formed at reduced hot working temperatures |
WO1993020567A1 (en) * | 1992-04-02 | 1993-10-14 | Tovarischestvo S Ogranichennoi Otvetstvennostju 'magran' | Permanent magnet |
GB9217760D0 (en) * | 1992-08-21 | 1992-10-07 | Martinex R & D Inc | Permanent manget material containing a rare-earth element,iron,nitrogen & carbon |
US5352301A (en) * | 1992-11-20 | 1994-10-04 | General Motors Corporation | Hot pressed magnets formed from anisotropic powders |
US5454998A (en) * | 1994-02-04 | 1995-10-03 | Ybm Technologies, Inc. | Method for producing permanent magnet |
US6004407A (en) * | 1995-09-22 | 1999-12-21 | Alps Electric Co., Ltd. | Hard magnetic materials and method of producing the same |
JPH10125518A (ja) * | 1996-10-18 | 1998-05-15 | Sumitomo Special Metals Co Ltd | 微細結晶組織を有する薄板磁石 |
JPH1197222A (ja) * | 1997-09-19 | 1999-04-09 | Shin Etsu Chem Co Ltd | 異方性希土類永久磁石材料及び磁石粉末 |
US6332933B1 (en) | 1997-10-22 | 2001-12-25 | Santoku Corporation | Iron-rare earth-boron-refractory metal magnetic nanocomposites |
CN1165919C (zh) * | 1998-04-06 | 2004-09-08 | 日立金属株式会社 | R-t-b合金粉末树脂混合物颗粒及生产方法和粘合稀土磁体 |
ATE354858T1 (de) | 1998-07-13 | 2007-03-15 | Santoku Corp | Auf eisen-seltenerd-bor basierte leistungsfähige magnetische materialien |
US6302939B1 (en) * | 1999-02-01 | 2001-10-16 | Magnequench International, Inc. | Rare earth permanent magnet and method for making same |
US6383475B1 (en) | 1999-04-16 | 2002-05-07 | Fd Management, Inc. | Breath freshening lipstick |
TW514938B (en) * | 1999-11-04 | 2002-12-21 | Seiko Epson Corp | Cooling roll, production method for magnet material, thin-band-like magnet material, magnet powder and bond magnet |
CN1182548C (zh) * | 2000-07-10 | 2004-12-29 | 株式会社新王磁材 | 稀土磁铁及其制造方法 |
US6797081B2 (en) * | 2000-08-31 | 2004-09-28 | Showa Denko K.K. | Centrifugal casting method, centrifugal casting apparatus, and cast alloy produced by same |
EP1398800B1 (en) * | 2001-06-19 | 2006-04-19 | Mitsubishi Denki Kabushiki Kaisha | Rare earth element permanent magnet material |
US6998538B1 (en) * | 2004-07-30 | 2006-02-14 | Ulectra Corporation | Integrated power and data insulated electrical cable having a metallic outer jacket |
US7208684B2 (en) * | 2004-07-30 | 2007-04-24 | Ulectra Corporation | Insulated, high voltage power cable for use with low power signal conductors in conduit |
US8821650B2 (en) * | 2009-08-04 | 2014-09-02 | The Boeing Company | Mechanical improvement of rare earth permanent magnets |
WO2011031473A2 (en) * | 2009-08-25 | 2011-03-17 | Access Business Group International Llc | Flux concentrator and method of making a magnetic flux concentrator |
JPWO2015121916A1 (ja) * | 2014-02-12 | 2017-03-30 | 日東電工株式会社 | 永久磁石、永久磁石の製造方法、spmモータ及びspmモータの製造方法 |
CN110767400B (zh) * | 2019-11-06 | 2021-12-14 | 有研稀土新材料股份有限公司 | 一种稀土异方性粘结磁粉及其制备方法以及磁体 |
CN110767402B (zh) * | 2019-11-06 | 2021-02-26 | 有研稀土新材料股份有限公司 | 一种异方性粘结磁粉及其制备方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4192696A (en) * | 1975-12-02 | 1980-03-11 | Bbc Brown Boveri & Company Limited | Permanent-magnet alloy |
US4402770A (en) * | 1981-10-23 | 1983-09-06 | The United States Of America As Represented By The Secretary Of The Navy | Hard magnetic alloys of a transition metal and lanthanide |
JPS5964733A (ja) * | 1982-09-27 | 1984-04-12 | Sumitomo Special Metals Co Ltd | 永久磁石 |
CA1315571C (en) * | 1982-08-21 | 1993-04-06 | Masato Sagawa | Magnetic materials and permanent magnets |
JPS5946008A (ja) * | 1982-08-21 | 1984-03-15 | Sumitomo Special Metals Co Ltd | 永久磁石 |
US4851058A (en) * | 1982-09-03 | 1989-07-25 | General Motors Corporation | High energy product rare earth-iron magnet alloys |
JPS5976856A (ja) * | 1982-10-22 | 1984-05-02 | Fujitsu Ltd | 永久磁石材料およびその製法 |
CA1216623A (en) * | 1983-05-09 | 1987-01-13 | John J. Croat | Bonded rare earth-iron magnets |
US4597938A (en) * | 1983-05-21 | 1986-07-01 | Sumitomo Special Metals Co., Ltd. | Process for producing permanent magnet materials |
US4601875A (en) * | 1983-05-25 | 1986-07-22 | Sumitomo Special Metals Co., Ltd. | Process for producing magnetic materials |
JPS59219904A (ja) * | 1983-05-30 | 1984-12-11 | Sumitomo Special Metals Co Ltd | ボンド磁石の製造方法およびボンド磁石用材料の製造方法 |
JPS609852A (ja) * | 1983-06-24 | 1985-01-18 | ゼネラル・モ−タ−ズ・コ−ポレ−シヨン | 高エネルギ−積の稀土類−鉄磁石合金 |
JPS6027105A (ja) * | 1983-07-25 | 1985-02-12 | Sumitomo Special Metals Co Ltd | 希土類・鉄・ボロン系永久磁石用合金粉末 |
CA1236381A (en) * | 1983-08-04 | 1988-05-10 | Robert W. Lee | Iron-rare earth-boron permanent magnets by hot working |
JPS60162750A (ja) * | 1984-02-01 | 1985-08-24 | Nippon Gakki Seizo Kk | 希土類磁石およびその製法 |
CA1244322A (en) * | 1984-09-14 | 1988-11-08 | Robert W. Lee | Hot pressed permanent magnet having high and low coercivity regions |
US4765848A (en) * | 1984-12-31 | 1988-08-23 | Kaneo Mohri | Permanent magnent and method for producing same |
-
1987
- 1987-02-20 JP JP62037378A patent/JP2530641B2/ja not_active Expired - Lifetime
- 1987-03-17 US US07/026,969 patent/US4921553A/en not_active Expired - Lifetime
- 1987-03-20 KR KR870002541A patent/KR870009410A/ko not_active Application Discontinuation
- 1987-03-20 DE DE8787104135T patent/DE3763272D1/de not_active Expired - Lifetime
- 1987-03-20 EP EP87104135A patent/EP0239031B2/en not_active Expired - Lifetime
-
1989
- 1989-06-14 US US07/366,160 patent/US4952239A/en not_active Expired - Lifetime
- 1989-12-04 US US07/443,242 patent/US5085715A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2530641B2 (ja) | 1996-09-04 |
DE3763272D1 (de) | 1990-07-19 |
JPS63232301A (ja) | 1988-09-28 |
EP0239031B2 (en) | 1994-05-11 |
US4952239A (en) | 1990-08-28 |
US5085715A (en) | 1992-02-04 |
US4921553A (en) | 1990-05-01 |
EP0239031A1 (en) | 1987-09-30 |
EP0239031B1 (en) | 1990-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR870009410A (ko) | 자기 이방성 본드자석과 그에 이용되는 자분 및 그 제조 방법 | |
EP0125752B1 (en) | Bonded rare earth-iron magnets | |
US5352301A (en) | Hot pressed magnets formed from anisotropic powders | |
US5009706A (en) | Rare-earth antisotropic powders and magnets and their manufacturing processes | |
US4063970A (en) | Method of making permanent magnets | |
JPH01205403A (ja) | 希土類,鉄系樹脂結合型磁石 | |
JP2731150B2 (ja) | 磁気異方性ボンド磁石、それに用いる磁気異方性磁粉およびその製造方法、ならびに磁気異方性圧粉磁石 | |
JPS63211706A (ja) | ボンド磁石用磁粉の製造方法 | |
US3933535A (en) | Method for producing large and/or complex permanent magnet structures | |
JPS61179803A (ja) | 強磁性樹脂組成物の製造方法 | |
JPS6112001B2 (ko) | ||
JPH0440842B2 (ko) | ||
JPH0559572B2 (ko) | ||
KR890005136B1 (ko) | 스텝모우터용 영구자석의 제조방법 | |
JPH10135020A (ja) | ラジアル異方性ボンド磁石 | |
JPS63209107A (ja) | ボンド磁石用磁粉の製造方法 | |
KR890004865B1 (ko) | 영구자석용 합금 | |
JPS5932107A (ja) | 複合軟磁性材料 | |
JPS6249962B2 (ko) | ||
JPS63308904A (ja) | ボンド磁石の製造方法 | |
JPH0256904A (ja) | 樹脂結合型希土類磁石の製造方法 | |
JPS63196014A (ja) | 磁気異方性磁石及びその製造方法 | |
JPH02155203A (ja) | 高分子複合型希土類磁石の製造方法 | |
JPS63155603A (ja) | ボンド磁石の製造方法 | |
JPH02109305A (ja) | 高分子複合型希土類磁石の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application | ||
J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |