CN105121682B - R-t-b系磁体用原料合金及其制造方法 - Google Patents
R-t-b系磁体用原料合金及其制造方法 Download PDFInfo
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- CN105121682B CN105121682B CN201480019491.2A CN201480019491A CN105121682B CN 105121682 B CN105121682 B CN 105121682B CN 201480019491 A CN201480019491 A CN 201480019491A CN 105121682 B CN105121682 B CN 105121682B
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- alloy
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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
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- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- 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
-
- 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
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
- Continuous Casting (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-071353 | 2013-03-29 | ||
JP2013071353 | 2013-03-29 | ||
PCT/JP2014/001817 WO2014156181A1 (ja) | 2013-03-29 | 2014-03-28 | R-t-b系磁石用原料合金およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105121682A CN105121682A (zh) | 2015-12-02 |
CN105121682B true CN105121682B (zh) | 2018-05-04 |
Family
ID=51623192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480019491.2A Active CN105121682B (zh) | 2013-03-29 | 2014-03-28 | R-t-b系磁体用原料合金及其制造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US10262779B2 (zh) |
JP (1) | JP6005257B2 (zh) |
CN (1) | CN105121682B (zh) |
WO (1) | WO2014156181A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108246992B (zh) * | 2016-12-29 | 2021-07-13 | 北京中科三环高技术股份有限公司 | 一种制备细晶粒稀土类合金铸片的方法及旋转冷却辊装置 |
CN108257752B (zh) * | 2016-12-29 | 2021-07-23 | 北京中科三环高技术股份有限公司 | 一种制备细晶粒稀土类烧结磁体用合金铸片 |
CN108257751B (zh) * | 2016-12-29 | 2021-02-19 | 北京中科三环高技术股份有限公司 | 一种制备细晶粒稀土类烧结磁体用合金铸片 |
JP6863008B2 (ja) * | 2017-03-30 | 2021-04-21 | Tdk株式会社 | R−t−b系希土類焼結磁石用合金およびr−t−b系希土類焼結磁石の製造方法 |
US11476020B2 (en) | 2017-06-30 | 2022-10-18 | Toyota Jidosha Kabushiki Kaisha | Rare earth magnet and production method thereof |
JP7167484B2 (ja) * | 2018-05-17 | 2022-11-09 | Tdk株式会社 | R-t-b系希土類焼結磁石用鋳造合金薄片 |
JP7251158B2 (ja) * | 2019-01-16 | 2023-04-04 | Tdk株式会社 | 希土類磁石用原料合金の評価方法、希土類磁石用原料合金の評価装置および希土類磁石の製造方法 |
JP7251157B2 (ja) * | 2019-01-16 | 2023-04-04 | Tdk株式会社 | 希土類磁石用原料合金の評価方法、希土類磁石用原料合金の評価装置および希土類磁石の製造方法 |
CN112877581B (zh) * | 2021-01-12 | 2021-12-28 | 包头金山磁材有限公司 | 一种改进烧结钕铁硼铸片的制备方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS4832856B1 (zh) | 1965-05-17 | 1973-10-09 | ||
JPH0789521B2 (ja) * | 1985-03-28 | 1995-09-27 | 株式会社東芝 | 希土類鉄系永久磁石 |
JPS643A (en) * | 1987-02-16 | 1989-01-05 | Toyo Mokuzai Boufu Kk | Soil-treatment agent for controlling termite |
JPH05295489A (ja) * | 1992-04-21 | 1993-11-09 | Seiko Epson Corp | ボンド磁石用合金およびその製造方法 |
JP4106099B2 (ja) * | 1995-03-29 | 2008-06-25 | 日立金属株式会社 | R−Fe−B系磁石合金用鋳片の製造方法 |
JPH08269243A (ja) | 1995-03-31 | 1996-10-15 | Toyo Tire & Rubber Co Ltd | タイヤ用ゴム組成物とその製造方法 |
JP3479168B2 (ja) | 1995-06-30 | 2003-12-15 | 住友特殊金属株式会社 | 耐食性のすぐれたR−Fe−B−C系磁石合金用鋳片の製造方法 |
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 |
JP3953768B2 (ja) | 2001-10-05 | 2007-08-08 | 株式会社Neomax | 耐食性のすぐれたR−Fe−B−C系磁石合金用鋳片 |
EP1749599B1 (en) | 2004-04-30 | 2015-09-09 | Hitachi Metals, Ltd. | Methods for producing raw material alloy for rare earth magnet, powder and sintered magnet |
JP4832856B2 (ja) | 2005-10-31 | 2011-12-07 | 昭和電工株式会社 | R−t−b系合金及びr−t−b系合金薄片の製造方法、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 |
JP4702542B2 (ja) | 2005-12-02 | 2011-06-15 | 信越化学工業株式会社 | R−t−b−c型焼結磁石の製造方法 |
CN101256859B (zh) * | 2007-04-16 | 2011-01-26 | 有研稀土新材料股份有限公司 | 一种稀土合金铸片及其制备方法 |
CN101051544A (zh) * | 2007-05-10 | 2007-10-10 | 浙江大学 | 高性能烧结钕铁硼气流磨加氢制备方法 |
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 |
US9862030B2 (en) * | 2010-07-02 | 2018-01-09 | Santoku Corporation | Method for producing alloy cast slab for rare earth sintered magnet |
JP5572673B2 (ja) * | 2011-07-08 | 2014-08-13 | 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 |
JP5880569B2 (ja) | 2011-10-13 | 2016-03-09 | Tdk株式会社 | R−t−b系合金薄片及びその製造方法、並びにr−t−b系焼結磁石の製造方法 |
JP5753481B2 (ja) * | 2011-11-28 | 2015-07-22 | 中央電気工業株式会社 | 希土類系合金およびその製造方法 |
-
2014
- 2014-03-28 WO PCT/JP2014/001817 patent/WO2014156181A1/ja active Application Filing
- 2014-03-28 JP JP2015508089A patent/JP6005257B2/ja active Active
- 2014-03-28 CN CN201480019491.2A patent/CN105121682B/zh active Active
- 2014-03-28 US US14/773,485 patent/US10262779B2/en active Active
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2019
- 2019-02-25 US US16/283,880 patent/US11145443B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11145443B2 (en) | 2021-10-12 |
JPWO2014156181A1 (ja) | 2017-02-16 |
WO2014156181A1 (ja) | 2014-10-02 |
CN105121682A (zh) | 2015-12-02 |
JP6005257B2 (ja) | 2016-10-12 |
US10262779B2 (en) | 2019-04-16 |
US20190189316A1 (en) | 2019-06-20 |
US20160027563A1 (en) | 2016-01-28 |
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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 | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160530 Address after: Wakayama County Applicant after: Wakayama Rare Earth Co., Ltd. Address before: Tokyo, Japan, Japan Applicant before: Chuo Denki Kogyo Co., Ltd. |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20170524 Address after: Hyogo Applicant after: Santoku Corp. Address before: Wakayama County Applicant before: Wakayama Rare Earth Co., Ltd. |
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GR01 | Patent grant | ||
GR01 | Patent grant |