KR20110126059A - R-t-b계 희토류 소결 자석 - Google Patents
R-t-b계 희토류 소결 자석Info
- Publication number
- KR20110126059A KR20110126059A KR1020110044935A KR20110044935A KR20110126059A KR 20110126059 A KR20110126059 A KR 20110126059A KR 1020110044935 A KR1020110044935 A KR 1020110044935A KR 20110044935 A KR20110044935 A KR 20110044935A KR 20110126059 A KR20110126059 A KR 20110126059A
- Authority
- KR
- South Korea
- Prior art keywords
- rare earth
- mass
- sintered magnet
- magnet
- phase
- 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.)
- Abandoned
Links
Images
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
- H01F1/057—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
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/105—Ferrous alloys, e.g. steel alloys containing cobalt containing Co and 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- 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
- H01F41/026—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 protecting methods against environmental influences, e.g. oxygen, by surface treatment
-
- 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
- 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
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)
- Environmental & Geological Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010111743 | 2010-05-14 | ||
| JPJP-P-2010-111743 | 2010-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20110126059A true KR20110126059A (ko) | 2011-11-22 |
Family
ID=44117733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020110044935A Abandoned KR20110126059A (ko) | 2010-05-14 | 2011-05-13 | R-t-b계 희토류 소결 자석 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8298351B2 (https=) |
| EP (1) | EP2387044B1 (https=) |
| JP (2) | JP2011258935A (https=) |
| KR (1) | KR20110126059A (https=) |
| CN (1) | CN102360654B (https=) |
| PH (1) | PH12011000150A1 (https=) |
| RU (1) | RU2559035C2 (https=) |
| TW (1) | TWI476791B (https=) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104137197B (zh) * | 2012-02-13 | 2015-08-19 | Tdk株式会社 | R-t-b系烧结磁体 |
| MY168281A (en) * | 2012-04-11 | 2018-10-19 | Shinetsu Chemical Co | Rare earth sintered magnet and making method |
| JP6119548B2 (ja) * | 2012-10-17 | 2017-04-26 | 信越化学工業株式会社 | 希土類焼結磁石の製造方法 |
| CN103258634B (zh) * | 2013-05-30 | 2015-11-25 | 烟台正海磁性材料股份有限公司 | 一种制备高性能R-Fe-B系烧结磁体方法 |
| TWI476793B (zh) * | 2013-05-30 | 2015-03-11 | China Steel Corp | 釹鐵硼磁石及其製造方法 |
| DE112014003126T5 (de) * | 2013-07-03 | 2016-03-17 | Tdk Corporation | R-T-B-basierter gesinterter Magnet |
| 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 |
| DE112014003678T5 (de) * | 2013-08-09 | 2016-04-21 | Tdk Corporation | Sintermagnet auf R-T-B Basis und Motor |
| CN105474333B (zh) * | 2013-08-09 | 2018-01-02 | Tdk株式会社 | R‑t‑b系烧结磁铁以及旋转电机 |
| CN105453196B (zh) * | 2013-08-09 | 2017-12-22 | Tdk株式会社 | R‑t‑b系烧结磁铁以及电动机 |
| WO2015022945A1 (ja) * | 2013-08-12 | 2015-02-19 | 日立金属株式会社 | R-t-b系焼結磁石 |
| CN103871704B (zh) * | 2014-03-04 | 2016-03-09 | 南京信息工程大学 | 一种钕铁氮磷永磁材料及制备方法 |
| JP2015228431A (ja) * | 2014-06-02 | 2015-12-17 | インターメタリックス株式会社 | RFeB系磁石及びRFeB系磁石の製造方法 |
| JP6572550B2 (ja) * | 2015-02-04 | 2019-09-11 | Tdk株式会社 | R−t−b系焼結磁石 |
| CN106024235B (zh) * | 2015-03-30 | 2020-01-17 | 日立金属株式会社 | R-t-b系烧结磁体 |
| JP6604381B2 (ja) * | 2015-07-29 | 2019-11-13 | 日立金属株式会社 | 希土類系焼結磁石の製造方法 |
| CN106448985A (zh) * | 2015-09-28 | 2017-02-22 | 厦门钨业股份有限公司 | 一种复合含有Pr和W的R‑Fe‑B系稀土烧结磁铁 |
| JP6488976B2 (ja) * | 2015-10-07 | 2019-03-27 | Tdk株式会社 | R−t−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 |
| JP6894305B2 (ja) * | 2016-12-28 | 2021-06-30 | トヨタ自動車株式会社 | 希土類磁石及びその製造方法 |
| JP7056264B2 (ja) * | 2017-03-22 | 2022-04-19 | Tdk株式会社 | R-t-b系希土類磁石 |
| JP7247548B2 (ja) * | 2017-12-28 | 2023-03-29 | トヨタ自動車株式会社 | 希土類磁石及びその製造方法 |
| CN108922710B (zh) * | 2018-07-18 | 2020-03-20 | 钢铁研究总院 | 一种高韧性、高矫顽力含Ce烧结稀土永磁体及其制备方法 |
| CN109576557A (zh) * | 2018-10-08 | 2019-04-05 | 柳州凯通新材料科技有限公司 | 一种高磁能积高速无刷电机电芯材料及其制备方法 |
| JP7196708B2 (ja) * | 2019-03-18 | 2022-12-27 | Tdk株式会社 | R‐t‐b系永久磁石 |
| CN111081444B (zh) * | 2019-12-31 | 2021-11-26 | 厦门钨业股份有限公司 | R-t-b系烧结磁体及其制备方法 |
| CN111180159B (zh) * | 2019-12-31 | 2021-12-17 | 厦门钨业股份有限公司 | 一种钕铁硼永磁材料、制备方法、应用 |
| CN112795860B (zh) * | 2020-04-27 | 2022-04-26 | 天津京磁电子元件制造有限公司 | 烧结钕铁硼磁体表面耐蚀防护涂层的制备方法 |
| US20210366635A1 (en) * | 2020-05-19 | 2021-11-25 | Shin-Etsu Chemical Co., Ltd. | Rare earth sintered magnet and making method |
| CN112802650B (zh) * | 2020-12-30 | 2023-01-10 | 包头天和磁材科技股份有限公司 | 钐钴磁体及其制备方法和钛的用途 |
| CN115188551B (zh) * | 2022-07-26 | 2025-07-25 | 宁波大缙华磁性材料有限公司 | 一种耐腐蚀的烧结钕铁硼磁材及其制备工艺和由该钕铁硼磁材制成的圆柱体磁块 |
| CN116779268A (zh) * | 2023-06-15 | 2023-09-19 | 钢铁研究总院有限公司 | 一种高耐蚀不锈烧结钕铁硼磁体及其制备方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1007847B (zh) | 1984-12-24 | 1990-05-02 | 住友特殊金属株式会社 | 制造具有改进耐蚀性磁铁的方法 |
| JPS61208807A (ja) * | 1985-03-13 | 1986-09-17 | Hitachi Metals Ltd | 永久磁石 |
| US5015307A (en) | 1987-10-08 | 1991-05-14 | Kawasaki Steel Corporation | Corrosion resistant rare earth metal magnet |
| JPH024939A (ja) * | 1987-10-08 | 1990-01-09 | Kawasaki Steel Corp | 希土類―遷移金属系磁石合金 |
| JP2741508B2 (ja) | 1988-02-29 | 1998-04-22 | 住友特殊金属株式会社 | 磁気異方性焼結磁石とその製造方法 |
| JPH01289102A (ja) * | 1988-05-16 | 1989-11-21 | Kawasaki Steel Corp | 希土類永久磁石の製造方法 |
| JPH0653019A (ja) * | 1992-03-19 | 1994-02-25 | Sumitomo Special Metals Co Ltd | 希土類磁石並びに希土類磁石合金粉末とその製造方法 |
| US5482575A (en) * | 1992-12-08 | 1996-01-09 | Ugimag Sa | Fe-Re-B type magnetic powder, sintered magnets and preparation method thereof |
| JP3393018B2 (ja) * | 1996-08-23 | 2003-04-07 | 住友特殊金属株式会社 | 薄肉R−Fe−B系焼結磁石の製造方法 |
| RU2174261C1 (ru) * | 2000-12-26 | 2001-09-27 | Московский государственный институт стали и сплавов (технологический университет) | Материал для редкоземельных постоянных магнитов и способ его получения |
| JP3877552B2 (ja) | 2001-07-30 | 2007-02-07 | Tdk株式会社 | 金属部材の製造方法 |
| JP2004006767A (ja) * | 2002-03-29 | 2004-01-08 | Tdk Corp | 永久磁石 |
| US7199690B2 (en) * | 2003-03-27 | 2007-04-03 | Tdk Corporation | R-T-B system rare earth permanent magnet |
| JP4260087B2 (ja) * | 2004-09-27 | 2009-04-30 | 日立金属株式会社 | 希土類焼結磁石及びその製造方法 |
| JP2007165607A (ja) * | 2005-12-14 | 2007-06-28 | Neomax Co Ltd | 永久磁石の製造方法 |
| RU2337975C2 (ru) * | 2006-12-11 | 2008-11-10 | Дмитрий Валерьевич Гундеров | Способ получения постоянных магнитов из сплавов на основе системы неодим-железо-бор или празеодим-железо-бор |
| JP4103937B1 (ja) * | 2007-05-02 | 2008-06-18 | 日立金属株式会社 | R−t−b系焼結磁石 |
| EP2172947B1 (en) * | 2007-06-29 | 2020-01-22 | TDK Corporation | Rare earth magnet |
| JP5299737B2 (ja) * | 2007-09-28 | 2013-09-25 | 日立金属株式会社 | R−t−b系焼結永久磁石用急冷合金およびそれを用いたr−t−b系焼結永久磁石 |
| JP5120710B2 (ja) * | 2008-06-13 | 2013-01-16 | 日立金属株式会社 | RL−RH−T−Mn−B系焼結磁石 |
-
2011
- 2011-04-27 JP JP2011099465A patent/JP2011258935A/ja not_active Withdrawn
- 2011-05-03 PH PH1/2011/000150A patent/PH12011000150A1/en unknown
- 2011-05-09 US US13/103,426 patent/US8298351B2/en active Active
- 2011-05-10 EP EP11165529.6A patent/EP2387044B1/en active Active
- 2011-05-13 TW TW100116763A patent/TWI476791B/zh not_active IP Right Cessation
- 2011-05-13 RU RU2011119505/07A patent/RU2559035C2/ru active
- 2011-05-13 KR KR1020110044935A patent/KR20110126059A/ko not_active Abandoned
- 2011-05-13 CN CN201110165282.7A patent/CN102360654B/zh active Active
-
2014
- 2014-11-19 JP JP2014234317A patent/JP6090596B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP6090596B2 (ja) | 2017-03-08 |
| JP2011258935A (ja) | 2011-12-22 |
| EP2387044B1 (en) | 2014-11-26 |
| RU2011119505A (ru) | 2012-11-20 |
| CN102360654A (zh) | 2012-02-22 |
| EP2387044A1 (en) | 2011-11-16 |
| US8298351B2 (en) | 2012-10-30 |
| RU2559035C2 (ru) | 2015-08-10 |
| CN102360654B (zh) | 2016-01-20 |
| TWI476791B (zh) | 2015-03-11 |
| JP2015053517A (ja) | 2015-03-19 |
| PH12011000150A1 (en) | 2015-02-27 |
| TW201222575A (en) | 2012-06-01 |
| US20110279205A1 (en) | 2011-11-17 |
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Legal Events
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| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20110513 |
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| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20150917 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 20110513 Comment text: Patent Application |
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Comment text: Notification of reason for refusal Patent event date: 20161205 Patent event code: PE09021S01D |
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| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20171017 |
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| NORF | Unpaid initial registration fee | ||
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