DE60221448D1 - Seltenerdlegierungs sinterformteil - Google Patents
Seltenerdlegierungs sinterformteilInfo
- Publication number
- DE60221448D1 DE60221448D1 DE60221448T DE60221448T DE60221448D1 DE 60221448 D1 DE60221448 D1 DE 60221448D1 DE 60221448 T DE60221448 T DE 60221448T DE 60221448 T DE60221448 T DE 60221448T DE 60221448 D1 DE60221448 D1 DE 60221448D1
- Authority
- DE
- Germany
- Prior art keywords
- rare earth
- earth alloy
- alloy sintered
- sintered molding
- molding
- Prior art date
- 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
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
- 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
- H01F1/058—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IVa elements, e.g. Gd2Fe14C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/09—Mixtures of metallic powders
-
- 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
- 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
- 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
- H01F41/0293—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 diffusion of rare earth elements, e.g. Tb, Dy or Ho, into permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001102513 | 2001-03-30 | ||
JP2001102513 | 2001-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60221448D1 true DE60221448D1 (de) | 2007-09-06 |
DE60221448T2 DE60221448T2 (de) | 2007-11-29 |
Family
ID=18955693
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60221448T Expired - Lifetime DE60221448T2 (de) | 2001-03-30 | 2002-03-29 | Seltenerdlegierungs Sinterformteil |
DE60206031T Expired - Lifetime DE60206031T2 (de) | 2001-03-30 | 2002-03-29 | Verfahren zur herstellung von seltenerdlegierungs sinterformteilen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60206031T Expired - Lifetime DE60206031T2 (de) | 2001-03-30 | 2002-03-29 | Verfahren zur herstellung von seltenerdlegierungs sinterformteilen |
Country Status (6)
Country | Link |
---|---|
US (1) | US7201810B2 (de) |
EP (2) | EP1645648B1 (de) |
CN (1) | CN1300360C (de) |
AU (1) | AU2002241342A1 (de) |
DE (2) | DE60221448T2 (de) |
WO (1) | WO2002079530A2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100414650C (zh) * | 2001-06-22 | 2008-08-27 | 日立金属株式会社 | 稀土类磁体及其制造方法 |
CN1306527C (zh) * | 2001-12-18 | 2007-03-21 | 昭和电工株式会社 | 用于稀土磁体的合金薄片及其生产方法、用于稀土烧结磁体的合金粉末、稀土烧结磁体、用于结合磁体的合金粉末和结合磁体 |
JP4389427B2 (ja) * | 2002-02-05 | 2009-12-24 | 日立金属株式会社 | 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石 |
AU2003241971A1 (en) * | 2002-06-13 | 2003-12-31 | Neomax Co., Ltd | Rare earth sintered magnet and method for production thereof |
JP2004270544A (ja) * | 2003-03-07 | 2004-09-30 | Matsushita Electric Ind Co Ltd | 着磁治具および電動圧縮機ならびに回転子の組み立て方法および電動圧縮機の組み立て方法 |
US7199690B2 (en) * | 2003-03-27 | 2007-04-03 | Tdk Corporation | R-T-B system rare earth permanent magnet |
US7618497B2 (en) * | 2003-06-30 | 2009-11-17 | Tdk Corporation | R-T-B based rare earth permanent magnet and method for production thereof |
US7858023B2 (en) * | 2004-06-30 | 2010-12-28 | Tdk Corporation | Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered body |
JP4425107B2 (ja) * | 2004-10-04 | 2010-03-03 | 富士フイルム株式会社 | 磁性粒子の製造方法 |
JP4645855B2 (ja) * | 2005-03-14 | 2011-03-09 | Tdk株式会社 | R−t−b系焼結磁石 |
US8182618B2 (en) * | 2005-12-02 | 2012-05-22 | Hitachi Metals, Ltd. | Rare earth sintered magnet and method for producing same |
RU2389097C1 (ru) * | 2007-02-05 | 2010-05-10 | Сова Денко К.К. | Сплав r-t-b-типа и способ его изготовления, тонкодисперсный порошок для редкоземельного постоянного магнита r-t-b-типа и редкоземельный постоянный магнит r-t-b-типа |
JP5273039B2 (ja) * | 2007-04-13 | 2013-08-28 | 日立金属株式会社 | R−t−b系焼結磁石およびその製造方法 |
HUE025146T2 (en) * | 2007-09-04 | 2016-01-28 | Hitachi Metals Ltd | R-Fe-B anisotropic sintered magnet |
CN102282279B (zh) * | 2009-01-16 | 2013-10-02 | 日立金属株式会社 | R-t-b系烧结磁铁的制造方法 |
US20110074530A1 (en) * | 2009-09-30 | 2011-03-31 | General Electric Company | Mixed rare-earth permanent magnet and method of fabrication |
JP5408340B2 (ja) * | 2010-03-30 | 2014-02-05 | Tdk株式会社 | 希土類焼結磁石及びその製造方法、並びにモータ及び自動車 |
CN104752013A (zh) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | 一种稀土永磁材料及其制备方法 |
JP6003920B2 (ja) * | 2014-02-12 | 2016-10-05 | トヨタ自動車株式会社 | 希土類磁石の製造方法 |
JP5686213B1 (ja) * | 2014-03-28 | 2015-03-18 | Tdk株式会社 | R−t−b系永久磁石 |
JP5686212B1 (ja) * | 2014-03-28 | 2015-03-18 | Tdk株式会社 | R−t−b系永久磁石 |
JP6380738B2 (ja) * | 2014-04-21 | 2018-08-29 | Tdk株式会社 | R−t−b系永久磁石、r−t−b系永久磁石用原料合金 |
CN104252938B (zh) * | 2014-09-12 | 2016-10-05 | 沈阳中北通磁科技股份有限公司 | 一种含Ho的多主相钕铁硼永磁铁及制造方法 |
CN104252939B (zh) * | 2014-09-12 | 2016-10-05 | 沈阳中北通磁科技股份有限公司 | 一种具有复合主相的钕铁硼永磁铁及其制造方法 |
CN104240886B (zh) * | 2014-09-12 | 2017-01-11 | 沈阳中北通磁科技股份有限公司 | 一种含Tb的多主相钕铁硼永磁铁及制造方法 |
CN105063517B (zh) * | 2015-08-03 | 2017-01-25 | 河北工业大学 | Sm‑Co‑Fe‑Al‑B非晶基硬磁合金的制备方法 |
TWI603886B (zh) * | 2016-11-22 | 2017-11-01 | Fu-Zi Xu | Damping gear |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
US4792368A (en) * | 1982-08-21 | 1988-12-20 | Sumitomo Special Metals Co., Ltd. | Magnetic materials and permanent magnets |
JPH066728B2 (ja) | 1986-07-24 | 1994-01-26 | 住友特殊金属株式会社 | 永久磁石材料用原料粉末の製造方法 |
JPS63245903A (ja) | 1986-09-05 | 1988-10-13 | Taiyo Yuden Co Ltd | 磁石及びその製造方法 |
JPS6373502A (ja) | 1986-09-16 | 1988-04-04 | Tokin Corp | 希土類磁石の製造方法 |
JPS63115307A (ja) | 1986-10-31 | 1988-05-19 | Tokin Corp | 希土類磁石の製造方法 |
US4968347A (en) * | 1988-11-22 | 1990-11-06 | The United States Of America As Represented By The United States Department Of Energy | High energy product permanent magnet having improved intrinsic coercivity and method of making same |
JPH0696928A (ja) | 1992-06-30 | 1994-04-08 | Aichi Steel Works Ltd | 希土類焼結磁石及びその製造方法 |
US5595608A (en) * | 1993-11-02 | 1997-01-21 | Tdk Corporation | Preparation of permanent magnet |
JPH0831626A (ja) | 1993-11-11 | 1996-02-02 | Seiko Epson Corp | 希土類磁性粉末、その永久磁石及びこれらの製造方法 |
US5647886A (en) * | 1993-11-11 | 1997-07-15 | Seiko Epson Corporation | Magnetic powder, permanent magnet produced therefrom and process for producing them |
US5666635A (en) * | 1994-10-07 | 1997-09-09 | Sumitomo Special Metals Co., Ltd. | Fabrication methods for R-Fe-B permanent magnets |
JPH1154351A (ja) | 1997-07-31 | 1999-02-26 | Hitachi Metals Ltd | R−Fe−B系希土類永久磁石の製造方法およびR−Fe−B系希土類永久磁石 |
JP3306356B2 (ja) | 1997-09-30 | 2002-07-24 | 三洋電機株式会社 | 直流モータの着磁方法 |
CN1326164C (zh) * | 1998-09-11 | 2007-07-11 | 潘树明 | 用磁性能低的稀土—铁—硼废磁体制造永磁体 |
KR100592471B1 (ko) | 1998-10-14 | 2006-06-23 | 히다찌긴조꾸가부시끼가이사 | 알-티-비계 소결형 영구자석 |
EP1011113B1 (de) * | 1998-12-11 | 2008-05-28 | Shin-Etsu Chemical Co., Ltd. | Herstellungsverfahen eines Seltenerd-Dauermagnets |
JP3294841B2 (ja) * | 2000-09-19 | 2002-06-24 | 住友特殊金属株式会社 | 希土類磁石およびその製造方法 |
JP3765793B2 (ja) * | 2001-01-30 | 2006-04-12 | 株式会社Neomax | 永久磁石の製造方法 |
US7056393B2 (en) * | 2001-05-30 | 2006-06-06 | Neomax, Co., Ltd. | Method of making sintered compact for rare earth magnet |
US6856051B2 (en) * | 2001-10-03 | 2005-02-15 | Delphi Technologies, Inc. | Manufacturing method and composite powder metal rotor assembly for circumferential type interior permanent magnet machine |
-
2002
- 2002-03-29 WO PCT/JP2002/003237 patent/WO2002079530A2/en active IP Right Grant
- 2002-03-29 EP EP05018913A patent/EP1645648B1/de not_active Expired - Lifetime
- 2002-03-29 CN CNB028010140A patent/CN1300360C/zh not_active Expired - Lifetime
- 2002-03-29 DE DE60221448T patent/DE60221448T2/de not_active Expired - Lifetime
- 2002-03-29 EP EP02707269A patent/EP1377691B1/de not_active Expired - Lifetime
- 2002-03-29 AU AU2002241342A patent/AU2002241342A1/en not_active Abandoned
- 2002-03-29 DE DE60206031T patent/DE60206031T2/de not_active Expired - Lifetime
- 2002-03-29 US US10/381,008 patent/US7201810B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO2002079530A3 (en) | 2003-09-04 |
EP1377691A2 (de) | 2004-01-07 |
DE60206031T2 (de) | 2006-01-19 |
AU2002241342A1 (en) | 2002-10-15 |
DE60221448T2 (de) | 2007-11-29 |
EP1377691B1 (de) | 2005-09-07 |
CN1468319A (zh) | 2004-01-14 |
WO2002079530A2 (en) | 2002-10-10 |
EP1645648B1 (de) | 2007-07-25 |
EP1645648A1 (de) | 2006-04-12 |
US20050098238A1 (en) | 2005-05-12 |
US7201810B2 (en) | 2007-04-10 |
CN1300360C (zh) | 2007-02-14 |
DE60206031D1 (de) | 2005-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8327 | Change in the person/name/address of the patent owner |
Owner name: HITACHI METALS, LTD., TOKIO/TOKYO, JP |
|
8364 | No opposition during term of opposition |