KR101045696B1 - 나노컴포지트 자석 및 그 제조방법 - Google Patents
나노컴포지트 자석 및 그 제조방법 Download PDFInfo
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- KR101045696B1 KR101045696B1 KR1020047004650A KR20047004650A KR101045696B1 KR 101045696 B1 KR101045696 B1 KR 101045696B1 KR 1020047004650 A KR1020047004650 A KR 1020047004650A KR 20047004650 A KR20047004650 A KR 20047004650A KR 101045696 B1 KR101045696 B1 KR 101045696B1
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- atomic
- alloy
- magnet
- phase
- ferrite phase
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- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
-
- 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
- H01F1/0579—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B with exchange spin coupling between hard and soft nanophases, e.g. nanocomposite spring magnets
-
- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15325—Amorphous metallic alloys, e.g. glassy metals containing rare earths
-
- 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
- H01F1/12—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 soft-magnetic materials
- H01F1/14—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 soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0266—Moulding; Pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dispersion Chemistry (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Continuous Casting (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Description
No. | 합금 조성비(원자%) | 열처리 온도( ℃) | ||||||||
Nd | Fe | T | B | C | Ti | V | M | |||
E X A M |
1 2 3 4 |
5.8 5.8 5.8 5.8 |
잔류물 잔류물 잔류물 잔류물 |
- - - Co4 |
12 12 12 12 |
1 1 1 1 |
4 4 4 4 |
1 1.5 2 1.5 |
- - - - |
720 700 700 700 |
C O M P |
5 6 7 8 |
5.8 5.8 5.8 5.8 |
잔류물 잔류물 잔류물 잔류물 |
- - - - |
12 12 12 12 |
0 1 1 1 |
4 4 4 4 |
0 0 0 0 |
0 Nb1 Zr1 Cr1 |
720 740 720 740 |
시료 번호 | 응고 합금의 자기특성 | |||
Br(T) | HCJ(㎄/m) | (BH)rma(kJ/㎥) | ||
E | 1 | 0.93 | 404 | 93 |
X | 2 | 0.92 | 450 | 106 |
A | 3 | 0.92 | 468 | 96 |
M | 4 | 0.92 | 466 | 109 |
C | 5 | 0.90 | 442 | 92 |
O | 6 | 0.92 | 368 | 81 |
M | 7 | 0.83 | 446 | 77 |
P | 8 | 0.80 | 461 | 71 |
Claims (8)
- 조성식이 (Fe1-mTm)100-x-y-z-w-n(B1-pCp)xRyTizVwMn로 표현되며,T는 Co 및 Ni로 구성된 군에서 선택되는 적어도 1종의 원소이며, R은 희토류 원소이며, M은 Al, Si, Cr, Mn, Cu, Zn, Ga, Nb, Zr, Mo, Ag, Ta 및 W로 구성된 군에서 선택되는 적어도 1종의 원소이며,조성비율 x, y, z, w, n, m 및 p는 각각,10원자%<x≤15원자%,4원자%≤y<7원자%,0.5원자%≤z≤8원자%,0.01원자%≤w≤6원자%,0원자%≤n≤10원자%0원자%≤m≤0.5원자%, 그리고0.01원자%≤p≤0.5원자%의 부등식을 만족하며,R2Fe14B형 결정 구조의 경질 페라이트상과 연질 페라이트상을 가지며, 보자력과 최대 에너지 적 중 적어도 하나는 V를 함유하지 않는 자석의 경우보다 적어도 1% 이상인 나노컴포지트 자석.
- 제 1 항에 있어서,상기 나노컴포지트 자석은 결정구조가 R2Fe14B형인 경질 페라이트상을 적어도 40체적% 함유하는 나노컴포지트 자석.
- 제 1 항 또는 제 2 항에 있어서,결정구조가 R2Fe14B형인 경질 페라이트상은 10㎚ 내지 200㎚의 평균결정입경을 가지며, 연질 페라이트상은 1㎚ 내지 100㎚의 평균결정입경을 갖는 나노컴포지트 자석.
- 제 1 항 또는 제 2 항에 있어서,상기 연질 페라이트상은 α Fe 및 강자성 철계 붕화물을 함유하는 나노컴포지트 자석.
- 삭제
- 삭제
- 삭제
- 조성식이 (Fe1-mTm)100-x-y-z-w-n(B1-pCp)xRyTizVwMn로 표현되고, 여기서 T는 Co 및 Ni로 구성된 군에서 선택되는 적어도 1종의 원소이며, R은 희토류 원소이며, M은 Al, Si, Cr, Mn, Cu, Zn, Ga, Nb, Zr, Mo, Ag, Ta 및 W로 구성된 군에서 선택되는 적어도 1종의 원소이며, 조성비율 x, y, z, w, n, m 및 p는 각각,10원자%<x≤15원자%,4원자%≤y<7원자%,0.5원자%≤z≤8원자%,0.01원자%≤w≤6원자%,0원자%≤n≤10원자%,0원자%≤m≤0.5원자%, 그리고0.01원자%≤p≤0.5원자%의 부등식을 만족하며, R2Fe14B형 결정 구조의 경질 페라이트상과 연질 페라이트상을 갖고, 그 보자력과 최대 에너지 적 중 적어도 하나는 V를 함유하지 않는 자석의 그것보다 적어도 1% 이상인 나노컴포지트 자석 분말을 준비하는 단계와,나노컴포지트 자석을 얻기 위해서 나노컴포지트 자석 분말을 압축하는 단계를 더 포함하는 나노컴포지트 자석 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002302769 | 2002-10-17 | ||
JPJP-P-2002-00302769 | 2002-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050065445A KR20050065445A (ko) | 2005-06-29 |
KR101045696B1 true KR101045696B1 (ko) | 2011-06-30 |
Family
ID=32105053
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Application Number | Title | Priority Date | Filing Date |
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KR1020047004650A Expired - Fee Related KR101045696B1 (ko) | 2002-10-17 | 2003-10-08 | 나노컴포지트 자석 및 그 제조방법 |
Country Status (12)
Country | Link |
---|---|
US (1) | US20050040923A1 (ko) |
EP (1) | EP1552537B1 (ko) |
KR (1) | KR101045696B1 (ko) |
CN (1) | CN1303623C (ko) |
AT (1) | ATE371937T1 (ko) |
AU (1) | AU2003272093A1 (ko) |
DE (1) | DE60316007T2 (ko) |
HU (1) | HU228834B1 (ko) |
MY (1) | MY136992A (ko) |
RU (1) | RU2311698C2 (ko) |
TW (1) | TWI308349B (ko) |
WO (1) | WO2004036602A1 (ko) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001091139A1 (en) * | 2000-05-24 | 2001-11-29 | Sumitomo Special Metals Co., Ltd. | Permanent magnet including multiple ferromagnetic phases and method for producing the magnet |
CN100478687C (zh) * | 2000-10-06 | 2009-04-15 | 日立金属株式会社 | 磁体用原料合金的评价方法 |
US7217328B2 (en) * | 2000-11-13 | 2007-05-15 | Neomax Co., Ltd. | Compound for rare-earth bonded magnet and bonded magnet using the compound |
HU227736B1 (en) * | 2001-05-15 | 2012-02-28 | Hitachi Metals Ltd | Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
WO2003012802A1 (en) * | 2001-07-31 | 2003-02-13 | Sumitomo Special Metals Co., Ltd. | Method for producing nanocomposite magnet using atomizing method |
EP1446816B1 (en) * | 2001-11-22 | 2006-08-02 | Neomax Co., Ltd. | Nanocomposite magnet |
JP2008505500A (ja) * | 2004-06-30 | 2008-02-21 | ユニバーシティ・オブ・デイトン | 異方性ナノコンポジット希土類永久磁石とそれらの製造方法 |
US20090129966A1 (en) * | 2005-03-24 | 2009-05-21 | Hitachi Metals, Ltd. | Iron-based rare-earth-containing nanocomposite magnet and process for producing the same |
KR101326930B1 (ko) * | 2005-03-24 | 2013-11-11 | 히타치 긴조쿠 가부시키가이샤 | 철 기재의 희토류계 나노컴포지트자석 및 그 제조방법 |
TWI339847B (en) * | 2005-06-10 | 2011-04-01 | Delta Electronics Inc | Inductor and magnetic body thereof |
CN101853723B (zh) * | 2009-03-31 | 2012-11-21 | 比亚迪股份有限公司 | 一种复合磁性材料及其制备方法 |
TWI426187B (zh) * | 2009-04-29 | 2014-02-11 | Chenming Mold Ind Corp | Production method of concave cam and concave cam |
EA200970892A1 (ru) * | 2009-10-23 | 2010-06-30 | Общество с ограниченной ответственностью "Перспективные магнитные технологии и консультации" | Электромагнитный клапан и автоматизированная система на основе этого клапана |
WO2011125589A1 (ja) * | 2010-03-31 | 2011-10-13 | 日東電工株式会社 | 永久磁石及び永久磁石の製造方法 |
WO2013103132A1 (ja) * | 2012-01-04 | 2013-07-11 | トヨタ自動車株式会社 | 希土類ナノコンポジット磁石 |
DE102014223991B4 (de) * | 2014-11-25 | 2022-06-23 | Robert Bosch Gmbh | Magnetisches Material, Verfahren zu dessen Herstellung und Elektromotor oder Starter oder Generator mit dem magnetischen Material |
JP7143635B2 (ja) * | 2018-05-30 | 2022-09-29 | トヨタ自動車株式会社 | 軟磁性材料及びその製造方法 |
WO2021035117A1 (en) * | 2019-08-21 | 2021-02-25 | Ut-Battelle, Llc | Indirect additive manufacturing process for fabricating bonded soft magnets |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002285301A (ja) | 2001-03-27 | 2002-10-03 | Sumitomo Special Metals Co Ltd | 鉄基希土類系永久磁石合金およびその製造方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
US4851058A (en) * | 1982-09-03 | 1989-07-25 | General Motors Corporation | High energy product rare earth-iron magnet alloys |
US5230749A (en) * | 1983-08-04 | 1993-07-27 | Sumitomo Special Metals Co., Ltd. | Permanent magnets |
US4836868A (en) * | 1986-04-15 | 1989-06-06 | Tdk Corporation | Permanent magnet and method of producing same |
DE69819953T2 (de) * | 1997-03-25 | 2004-11-11 | Alps Electric Co., Ltd. | Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne |
RU2136069C1 (ru) * | 1998-09-03 | 1999-08-27 | Савич Александр Николаевич | Магнитный материал |
US6302972B1 (en) * | 1998-12-07 | 2001-10-16 | Sumitomo Special Metals Co., Ltd | Nanocomposite magnet material and method for producing nanocomposite magnet |
CN100478687C (zh) * | 2000-10-06 | 2009-04-15 | 日立金属株式会社 | 磁体用原料合金的评价方法 |
US6790296B2 (en) * | 2000-11-13 | 2004-09-14 | Neomax Co., Ltd. | Nanocomposite magnet and method for producing same |
KR100535946B1 (ko) * | 2001-02-07 | 2005-12-12 | 가부시키가이샤 네오맥스 | 철기재 희토류자석 원료합금의 제조방법 |
JP4023138B2 (ja) * | 2001-02-07 | 2007-12-19 | 日立金属株式会社 | 鉄基希土類合金粉末および鉄基希土類合金粉末を含むコンパウンドならびにそれを用いた永久磁石 |
HU227736B1 (en) * | 2001-05-15 | 2012-02-28 | Hitachi Metals Ltd | Iron-based rare earth alloy nanocomposite magnet and method for producing the same |
JP3983999B2 (ja) * | 2001-05-17 | 2007-09-26 | 日産自動車株式会社 | 異方性交換スプリング磁石の製造方法とこれを備えてなるモータ |
EP1446816B1 (en) * | 2001-11-22 | 2006-08-02 | Neomax Co., Ltd. | Nanocomposite magnet |
JP3602120B2 (ja) * | 2002-08-08 | 2004-12-15 | 株式会社Neomax | ナノコンポジット磁石用急冷合金の製造方法 |
-
2003
- 2003-10-08 KR KR1020047004650A patent/KR101045696B1/ko not_active Expired - Fee Related
- 2003-10-08 AU AU2003272093A patent/AU2003272093A1/en not_active Abandoned
- 2003-10-08 RU RU2004109582/02A patent/RU2311698C2/ru not_active IP Right Cessation
- 2003-10-08 AT AT03754048T patent/ATE371937T1/de not_active IP Right Cessation
- 2003-10-08 HU HU0600024A patent/HU228834B1/hu not_active IP Right Cessation
- 2003-10-08 CN CNB038009528A patent/CN1303623C/zh not_active Expired - Fee Related
- 2003-10-08 US US10/487,270 patent/US20050040923A1/en not_active Abandoned
- 2003-10-08 DE DE60316007T patent/DE60316007T2/de not_active Expired - Lifetime
- 2003-10-08 EP EP03754048A patent/EP1552537B1/en not_active Expired - Lifetime
- 2003-10-08 WO PCT/JP2003/012923 patent/WO2004036602A1/en active IP Right Grant
- 2003-10-16 TW TW092128748A patent/TWI308349B/zh not_active IP Right Cessation
- 2003-10-17 MY MYPI20033953A patent/MY136992A/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002285301A (ja) | 2001-03-27 | 2002-10-03 | Sumitomo Special Metals Co Ltd | 鉄基希土類系永久磁石合金およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1552537B1 (en) | 2007-08-29 |
DE60316007D1 (de) | 2007-10-11 |
ATE371937T1 (de) | 2007-09-15 |
EP1552537A1 (en) | 2005-07-13 |
DE60316007T2 (de) | 2007-12-13 |
RU2004109582A (ru) | 2005-05-10 |
CN1303623C (zh) | 2007-03-07 |
AU2003272093A1 (en) | 2004-05-04 |
HUP0600024A2 (en) | 2006-04-28 |
KR20050065445A (ko) | 2005-06-29 |
WO2004036602A1 (en) | 2004-04-29 |
RU2311698C2 (ru) | 2007-11-27 |
TWI308349B (en) | 2009-04-01 |
HU228834B1 (hu) | 2013-06-28 |
CN1550020A (zh) | 2004-11-24 |
TW200419597A (en) | 2004-10-01 |
US20050040923A1 (en) | 2005-02-24 |
MY136992A (en) | 2008-12-31 |
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