CN1308475C - 稀土类-铁-硼系磁体用合金、粉末和用它制成的烧结磁体 - Google Patents
稀土类-铁-硼系磁体用合金、粉末和用它制成的烧结磁体 Download PDFInfo
- Publication number
- CN1308475C CN1308475C CNB038033194A CN03803319A CN1308475C CN 1308475 C CN1308475 C CN 1308475C CN B038033194 A CNB038033194 A CN B038033194A CN 03803319 A CN03803319 A CN 03803319A CN 1308475 C CN1308475 C CN 1308475C
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- Prior art keywords
- alloy
- rare earth
- iron
- phase
- mass
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- Expired - Lifetime
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- H01F41/0266—Moulding; Pressing
-
- 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
- H01F41/0273—Imparting anisotropy
-
- 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
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Continuous Casting (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002028207A JP4389427B2 (ja) | 2002-02-05 | 2002-02-05 | 希土類−鉄−硼素系磁石用合金粉末を用いた焼結磁石 |
| JP28207/2002 | 2002-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1628182A CN1628182A (zh) | 2005-06-15 |
| CN1308475C true CN1308475C (zh) | 2007-04-04 |
Family
ID=27677856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038033194A Expired - Lifetime CN1308475C (zh) | 2002-02-05 | 2003-02-04 | 稀土类-铁-硼系磁体用合金、粉末和用它制成的烧结磁体 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20060016515A1 (enExample) |
| EP (1) | EP1479787B2 (enExample) |
| JP (1) | JP4389427B2 (enExample) |
| CN (1) | CN1308475C (enExample) |
| AU (1) | AU2003244355A1 (enExample) |
| WO (1) | WO2003066922A1 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003001541A1 (fr) * | 2001-06-22 | 2003-01-03 | Sumitomo Special Metals Co., Ltd. | Aimant des terres rares et procede de production dudit aimant |
| JP3997413B2 (ja) * | 2002-11-14 | 2007-10-24 | 信越化学工業株式会社 | R−Fe−B系焼結磁石及びその製造方法 |
| US7199690B2 (en) | 2003-03-27 | 2007-04-03 | Tdk Corporation | R-T-B system rare earth permanent magnet |
| CN100366363C (zh) * | 2004-04-30 | 2008-02-06 | 株式会社新王磁材 | 稀土类磁铁用原料合金、粉末以及烧结磁铁的制造方法 |
| US20060165550A1 (en) * | 2005-01-25 | 2006-07-27 | Tdk Corporation | Raw material alloy for R-T-B system sintered magnet, R-T-B system sintered magnet and production method thereof |
| WO2008096621A1 (ja) * | 2007-02-05 | 2008-08-14 | Showa Denko K.K. | R-t-b系合金とその製造方法、r-t-b系希土類永久磁石用微粉、r-t-b系希土類永久磁石 |
| CN101657863B (zh) * | 2007-05-02 | 2012-11-07 | 日立金属株式会社 | R-t-b系烧结磁体 |
| CN101689416B (zh) * | 2007-05-02 | 2012-10-03 | 日立金属株式会社 | R-t-b系烧结磁体 |
| JPWO2009075351A1 (ja) * | 2007-12-13 | 2011-04-28 | 昭和電工株式会社 | R−t−b系合金及びr−t−b系合金の製造方法、r−t−b系希土類永久磁石用微粉、r−t−b系希土類永久磁石 |
| JP5093215B2 (ja) | 2009-11-26 | 2012-12-12 | トヨタ自動車株式会社 | 焼結希土類磁石の製造方法 |
| JP2011159733A (ja) * | 2010-01-29 | 2011-08-18 | Toyota Motor Corp | ナノコンポジット磁石の製造方法 |
| JP5736653B2 (ja) * | 2010-03-09 | 2015-06-17 | Tdk株式会社 | 希土類焼結磁石及び希土類焼結磁石の製造方法 |
| JP2011199069A (ja) * | 2010-03-19 | 2011-10-06 | Tdk Corp | 希土類焼結磁石の製造方法及び希土類焼結磁石用材料 |
| CN103526107B (zh) * | 2012-07-04 | 2017-03-15 | 宁波科宁达工业有限公司 | 制备烧结钕铁硼磁体的方法 |
| AU2014281646A1 (en) | 2013-06-17 | 2016-02-11 | Urban Mining Technology Company, Llc | Magnet recycling to create Nd-Fe-B magnets with improved or restored magnetic performance |
| JP6451643B2 (ja) | 2013-11-05 | 2019-01-16 | 株式会社Ihi | 希土類永久磁石および希土類永久磁石の製造方法 |
| US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
| CN113563857B (zh) * | 2020-04-29 | 2023-02-24 | 南京公诚节能新材料研究院有限公司 | 一种用于稠油表面张力处理的合金材料及其应用方法 |
| CN112768168B (zh) * | 2020-12-25 | 2023-05-30 | 福建省长汀金龙稀土有限公司 | 一种钕铁硼材料及其制备方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06124824A (ja) * | 1992-10-28 | 1994-05-06 | Mitsubishi Steel Mfg Co Ltd | 焼結永久磁石 |
| JPH0813078A (ja) * | 1994-06-29 | 1996-01-16 | Showa Denko Kk | 希土類磁石合金の製造方法 |
| WO2002018078A2 (en) * | 2000-08-31 | 2002-03-07 | Showa Denko K.K. | Centrifugal casting method, centrifugal casting apparatus, and cast alloy produced by same |
| CN102511464A (zh) * | 2011-12-12 | 2012-06-27 | 孙名媛 | 一种可夜视蚊香盒 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0663056B2 (ja) * | 1984-01-09 | 1994-08-17 | コルモーゲン コーポレイション | 非焼結永久磁石合金及びその製造方法 |
| EP0304054B1 (en) * | 1987-08-19 | 1994-06-08 | Mitsubishi Materials Corporation | Rare earth-iron-boron magnet powder and process of producing same |
| CA2031127C (en) * | 1989-12-01 | 1999-01-19 | Satoshi Hirosawa | Permanent magnet |
| JP3121824B2 (ja) * | 1990-02-14 | 2001-01-09 | ティーディーケイ株式会社 | 焼結永久磁石 |
| US5383978A (en) * | 1992-02-15 | 1995-01-24 | Santoku Metal Industry Co., Ltd. | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet |
| JPH07122413A (ja) * | 1993-10-28 | 1995-05-12 | Hitachi Metals Ltd | 希土類永久磁石およびその製造方法 |
| US5858123A (en) * | 1995-07-12 | 1999-01-12 | Hitachi Metals, Ltd. | Rare earth permanent magnet and method for producing the same |
| US5908513A (en) * | 1996-04-10 | 1999-06-01 | Showa Denko K.K. | Cast alloy used for production of rare earth magnet and method for producing cast alloy and magnet |
| CN1169165C (zh) * | 1998-10-14 | 2004-09-29 | 日立金属株式会社 | R-t-b系烧结型永磁体 |
| US6403024B1 (en) * | 1999-02-19 | 2002-06-11 | Sumitomo Special Metals Co., Ltd. | Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizer |
| EP1059645B1 (en) * | 1999-06-08 | 2006-06-14 | Shin-Etsu Chemical Co., Ltd. | Thin ribbon of rare earth-based permanent magnet alloy |
| JP3231034B1 (ja) * | 2000-05-09 | 2001-11-19 | 住友特殊金属株式会社 | 希土類磁石およびその製造方法 |
| US7201810B2 (en) * | 2001-03-30 | 2007-04-10 | Neomax Co., Ltd. | Rare earth alloy sintered compact and method of making the same |
| WO2003001541A1 (fr) * | 2001-06-22 | 2003-01-03 | Sumitomo Special Metals Co., Ltd. | Aimant des terres rares et procede de production dudit aimant |
-
2002
- 2002-02-05 JP JP2002028207A patent/JP4389427B2/ja not_active Expired - Lifetime
-
2003
- 2003-02-04 EP EP03737488.1A patent/EP1479787B2/en not_active Expired - Lifetime
- 2003-02-04 AU AU2003244355A patent/AU2003244355A1/en not_active Abandoned
- 2003-02-04 CN CNB038033194A patent/CN1308475C/zh not_active Expired - Lifetime
- 2003-02-04 US US10/503,359 patent/US20060016515A1/en not_active Abandoned
- 2003-02-04 WO PCT/JP2003/001143 patent/WO2003066922A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06124824A (ja) * | 1992-10-28 | 1994-05-06 | Mitsubishi Steel Mfg Co Ltd | 焼結永久磁石 |
| JPH0813078A (ja) * | 1994-06-29 | 1996-01-16 | Showa Denko Kk | 希土類磁石合金の製造方法 |
| WO2002018078A2 (en) * | 2000-08-31 | 2002-03-07 | Showa Denko K.K. | Centrifugal casting method, centrifugal casting apparatus, and cast alloy produced by same |
| CN102511464A (zh) * | 2011-12-12 | 2012-06-27 | 孙名媛 | 一种可夜视蚊香盒 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003066922A1 (en) | 2003-08-14 |
| CN1628182A (zh) | 2005-06-15 |
| AU2003244355A1 (en) | 2003-09-02 |
| EP1479787A4 (en) | 2006-01-04 |
| US20060016515A1 (en) | 2006-01-26 |
| EP1479787B2 (en) | 2016-07-06 |
| JP2003226944A (ja) | 2003-08-15 |
| EP1479787A1 (en) | 2004-11-24 |
| EP1479787B1 (en) | 2011-08-03 |
| JP4389427B2 (ja) | 2009-12-24 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HITACHI METALS, LTD. Free format text: FORMER OWNER: SUMITOMO SPEC METALS Effective date: 20130520 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130520 Address after: Tokyo, Japan Patentee after: HITACHI METALS, Ltd. Address before: Osaka Japan Patentee before: Neomax Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20050615 Assignee: ADVANCED TECHNOLOGY & MATERIALS Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2013990000365 Denomination of invention: Sinter magnet made from rare earth-iron-boron alloy powder for magnet Granted publication date: 20070404 License type: Common License Record date: 20130701 Application publication date: 20050615 Assignee: BEIJING ZHONG KE SAN HUAN HI-TECH Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2013990000364 Denomination of invention: Sinter magnet made from rare earth-iron-boron alloy powder for magnet Granted publication date: 20070404 License type: Common License Record date: 20130701 Application publication date: 20050615 Assignee: BEIJING JINGCI MAGNET Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2013990000374 Denomination of invention: Sinter magnet made from rare earth-iron-boron alloy powder for magnet Granted publication date: 20070404 License type: Common License Record date: 20130703 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20050615 Assignee: NINGBO YUNSHENG Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2014990000031 Denomination of invention: Sinter magnet made from rare earth-iron-boron alloy powder for magnet Granted publication date: 20070404 License type: Common License Record date: 20140114 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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| CP02 | Change in the address of a patent holder |
Address after: Japan Tokyo port harbor 2 chome No. 70 Patentee after: HITACHI METALS, Ltd. Address before: Tokyo, Japan Patentee before: HITACHI METALS, Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20050615 Assignee: Hitachi metal ring Ci material (Nantong) Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2017990000034 Denomination of invention: Sinter magnet made from rare earth-iron-boron alloy powder for magnet Granted publication date: 20070404 License type: Common License Record date: 20170209 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CI03 | Correction of invention patent |
Correction item: A transferee of the entry into force of the contract Correct: Hitachi metal ring magnets (Nantong) Co.,Ltd. False: Hitachi metal ring Ci material (Nantong) Co.,Ltd. Number: 11 Volume: 33 |
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| CI03 | Correction of invention patent | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070404 |
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| CX01 | Expiry of patent term |