CN105074837B - R-t-b系烧结磁体 - Google Patents
R-t-b系烧结磁体 Download PDFInfo
- Publication number
- CN105074837B CN105074837B CN201480017399.2A CN201480017399A CN105074837B CN 105074837 B CN105074837 B CN 105074837B CN 201480017399 A CN201480017399 A CN 201480017399A CN 105074837 B CN105074837 B CN 105074837B
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- China
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- mass
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- sintered magnet
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Classifications
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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
- H01F1/032—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
-
- 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
- C22C38/005—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
- 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
- H01F1/06—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 in the form of particles, e.g. powder
- H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
- H01F1/086—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 in the form of particles, e.g. powder pressed, sintered, or bound together sintered
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by 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)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013071834 | 2013-03-29 | ||
| JP2013-071834 | 2013-03-29 | ||
| PCT/JP2014/058741 WO2014157451A1 (ja) | 2013-03-29 | 2014-03-27 | R-t-b系焼結磁石 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105074837A CN105074837A (zh) | 2015-11-18 |
| CN105074837B true CN105074837B (zh) | 2018-05-18 |
Family
ID=51624413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480017399.2A Active CN105074837B (zh) | 2013-03-29 | 2014-03-27 | R-t-b系烧结磁体 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160042848A1 (zh) |
| EP (1) | EP2985768B8 (zh) |
| JP (1) | JP6288076B2 (zh) |
| CN (1) | CN105074837B (zh) |
| ES (1) | ES2749754T3 (zh) |
| WO (1) | WO2014157451A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280259A1 (zh) | 2021-07-08 | 2023-01-12 | 烟台正海磁性材料股份有限公司 | 一种耐腐蚀、高性能钕铁硼烧结磁体及其制备方法和用途 |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160042847A1 (en) * | 2013-03-29 | 2016-02-11 | Hitachi Metals, Ltd. | R-t-b based sintered magnet |
| JP6274215B2 (ja) * | 2013-08-09 | 2018-02-07 | Tdk株式会社 | R−t−b系焼結磁石、および、モータ |
| WO2015020182A1 (ja) * | 2013-08-09 | 2015-02-12 | Tdk株式会社 | R-t-b系焼結磁石、および、モータ |
| JP6274214B2 (ja) * | 2013-08-09 | 2018-02-07 | Tdk株式会社 | R−t−b系焼結磁石、および回転機 |
| JP6274216B2 (ja) * | 2013-08-09 | 2018-02-07 | Tdk株式会社 | R−t−b系焼結磁石、および、モータ |
| WO2015022946A1 (ja) * | 2013-08-12 | 2015-02-19 | 日立金属株式会社 | R-t-b系焼結磁石およびr-t-b系焼結磁石の製造方法 |
| JP6398977B2 (ja) * | 2013-08-12 | 2018-10-03 | 日立金属株式会社 | R−t−b系焼結磁石 |
| US10658108B2 (en) | 2013-09-02 | 2020-05-19 | Hitachi Metals, Ltd. | Method for producing R-T-B based sintered magnet |
| JP6572550B2 (ja) * | 2015-02-04 | 2019-09-11 | Tdk株式会社 | R−t−b系焼結磁石 |
| US20180025818A1 (en) * | 2015-03-27 | 2018-01-25 | Hitachi Metals, Ltd. | Sintered r-tm-b magnet |
| JP6489052B2 (ja) | 2015-03-31 | 2019-03-27 | 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 |
| RU2704989C2 (ru) | 2015-03-31 | 2019-11-01 | Син-Эцу Кемикал Ко., Лтд. | Спеченный магнит r-fe-b и способ его изготовления |
| JP6520789B2 (ja) | 2015-03-31 | 2019-05-29 | 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 |
| EP3179487B1 (en) | 2015-11-18 | 2021-04-28 | Shin-Etsu Chemical Co., Ltd. | R-(fe,co)-b sintered magnet and making method |
| CN108701517B (zh) * | 2016-03-17 | 2020-07-24 | 日立金属株式会社 | R-t-b系烧结磁体的制造方法 |
| JP6724865B2 (ja) | 2016-06-20 | 2020-07-15 | 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 |
| JP2018056188A (ja) | 2016-09-26 | 2018-04-05 | 信越化学工業株式会社 | R−Fe−B系焼結磁石 |
| JP6614084B2 (ja) | 2016-09-26 | 2019-12-04 | 信越化学工業株式会社 | R−Fe−B系焼結磁石の製造方法 |
| JP2018059197A (ja) * | 2016-09-30 | 2018-04-12 | 日立金属株式会社 | R−tm−b系焼結磁石 |
| WO2018101239A1 (ja) | 2016-12-02 | 2018-06-07 | 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 |
| JP7052201B2 (ja) * | 2017-03-15 | 2022-04-12 | 大同特殊鋼株式会社 | RFeB系焼結磁石の製造方法 |
| CN113614864B (zh) * | 2019-03-13 | 2023-08-04 | Tdk株式会社 | R-t-b系永久磁体及其制造方法 |
| CN114284018B (zh) * | 2021-12-27 | 2025-01-28 | 烟台正海磁性材料股份有限公司 | 钕铁硼磁体及其制备方法和应用 |
| JP2023139365A (ja) * | 2022-03-22 | 2023-10-04 | 株式会社プロテリアル | R-t-b系焼結磁石 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092899A (zh) * | 1993-01-29 | 1994-09-28 | 日立金属株式会社 | 钕-铁-硼系永久磁铁 |
| EP0651401A1 (en) * | 1993-11-02 | 1995-05-03 | TDK Corporation | Preparation of permanent magnet |
| JP2009231391A (ja) * | 2008-03-19 | 2009-10-08 | Hitachi Metals Ltd | R−t−b系焼結磁石 |
| WO2013008756A1 (ja) * | 2011-07-08 | 2013-01-17 | 昭和電工株式会社 | R-t-b系希土類焼結磁石用合金、r-t-b系希土類焼結磁石用合金の製造方法、r-t-b系希土類焼結磁石用合金材料、r-t-b系希土類焼結磁石、r-t-b系希土類焼結磁石の製造方法およびモーター |
| CN102959648A (zh) * | 2010-06-29 | 2013-03-06 | 昭和电工株式会社 | R-t-b系稀土类永久磁铁、电动机、汽车、发电机、风力发电装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6318603A (ja) * | 1986-07-11 | 1988-01-26 | Toshiba Corp | 永久磁石 |
| JP5163630B2 (ja) * | 2009-12-18 | 2013-03-13 | トヨタ自動車株式会社 | 希土類磁石およびその製造方法 |
| WO2013054847A1 (ja) * | 2011-10-13 | 2013-04-18 | Tdk株式会社 | R-t-b系焼結磁石及びその製造方法、並びに回転機 |
| CN104395971B (zh) * | 2012-06-22 | 2017-05-17 | Tdk株式会社 | 烧结磁铁 |
| JP6303480B2 (ja) * | 2013-03-28 | 2018-04-04 | Tdk株式会社 | 希土類磁石 |
| US20160042847A1 (en) * | 2013-03-29 | 2016-02-11 | Hitachi Metals, Ltd. | R-t-b based sintered magnet |
-
2014
- 2014-03-27 JP JP2015508655A patent/JP6288076B2/ja active Active
- 2014-03-27 CN CN201480017399.2A patent/CN105074837B/zh active Active
- 2014-03-27 EP EP14776191.0A patent/EP2985768B8/en active Active
- 2014-03-27 US US14/780,860 patent/US20160042848A1/en not_active Abandoned
- 2014-03-27 WO PCT/JP2014/058741 patent/WO2014157451A1/ja not_active Ceased
- 2014-03-27 ES ES14776191T patent/ES2749754T3/es active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092899A (zh) * | 1993-01-29 | 1994-09-28 | 日立金属株式会社 | 钕-铁-硼系永久磁铁 |
| EP0651401A1 (en) * | 1993-11-02 | 1995-05-03 | TDK Corporation | Preparation of permanent magnet |
| JP2009231391A (ja) * | 2008-03-19 | 2009-10-08 | Hitachi Metals Ltd | R−t−b系焼結磁石 |
| CN102959648A (zh) * | 2010-06-29 | 2013-03-06 | 昭和电工株式会社 | R-t-b系稀土类永久磁铁、电动机、汽车、发电机、风力发电装置 |
| WO2013008756A1 (ja) * | 2011-07-08 | 2013-01-17 | 昭和電工株式会社 | R-t-b系希土類焼結磁石用合金、r-t-b系希土類焼結磁石用合金の製造方法、r-t-b系希土類焼結磁石用合金材料、r-t-b系希土類焼結磁石、r-t-b系希土類焼結磁石の製造方法およびモーター |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280259A1 (zh) | 2021-07-08 | 2023-01-12 | 烟台正海磁性材料股份有限公司 | 一种耐腐蚀、高性能钕铁硼烧结磁体及其制备方法和用途 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105074837A (zh) | 2015-11-18 |
| JP6288076B2 (ja) | 2018-03-07 |
| WO2014157451A1 (ja) | 2014-10-02 |
| US20160042848A1 (en) | 2016-02-11 |
| JPWO2014157451A1 (ja) | 2017-02-16 |
| EP2985768B1 (en) | 2019-09-25 |
| ES2749754T3 (es) | 2020-03-23 |
| EP2985768A1 (en) | 2016-02-17 |
| EP2985768A4 (en) | 2016-12-28 |
| EP2985768B8 (en) | 2019-11-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Japan's Tokyo port harbor 2 chome No. 70 Applicant after: HITACHI METALS, Ltd. Address before: Tokyo, Japan Applicant before: HITACHI METALS, Ltd. |
|
| COR | Change of bibliographic data | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20151118 Assignee: Hitachi metal ring Ci material (Nantong) Co.,Ltd. Assignor: HITACHI METALS, Ltd. Contract record no.: 2017990000034 Denomination of invention: R-T-B sintered magnet License type: Common License Record date: 20170209 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CI02 | Correction of invention patent application | ||
| CI02 | Correction of invention patent application |
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 |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 6-36 Toyosu 5-chome, Koto ku, Tokyo, Japan Patentee after: Bomai Licheng Co.,Ltd. Country or region after: Japan Address before: 2-70 Gangnam 1-chome, Port ku, Tokyo, Japan Patentee before: HITACHI METALS, Ltd. Country or region before: Japan |