CN111081444B - R-t-b系烧结磁体及其制备方法 - Google Patents
R-t-b系烧结磁体及其制备方法 Download PDFInfo
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- CN111081444B CN111081444B CN202010016222.8A CN202010016222A CN111081444B CN 111081444 B CN111081444 B CN 111081444B CN 202010016222 A CN202010016222 A CN 202010016222A CN 111081444 B CN111081444 B CN 111081444B
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- 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
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
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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
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
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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
- B22F9/023—Hydrogen absorption
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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
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- 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
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- 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
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- 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
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- 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
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- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- 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
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- 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
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- 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
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- 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
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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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F2003/248—Thermal after-treatment
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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
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- 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
- B22F2009/044—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by jet milling
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- 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
- B22F2009/048—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by pulverising a quenched ribbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Manufacturing & Machinery (AREA)
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Hard Magnetic Materials (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
Claims (11)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2020/100575 WO2021135143A1 (zh) | 2019-12-31 | 2020-07-07 | R-t-b系烧结磁体及其制备方法 |
EP20909158.6A EP4086924A4 (en) | 2019-12-31 | 2020-07-07 | SINTERED MAGNET BASED ON R-T-B AND PREPARATION METHOD THEREFOR |
JP2022539202A JP7312916B2 (ja) | 2019-12-31 | 2020-07-07 | R-t-b系焼結磁石及びその製造方法 |
US17/784,996 US20230021772A1 (en) | 2019-12-31 | 2020-07-07 | R-t-b-based sintered magnet and preparation method therefor |
TW109145204A TWI738592B (zh) | 2019-12-31 | 2020-12-21 | R-t-b系燒結磁體及其製備方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2019114239523 | 2019-12-31 | ||
CN201911423952 | 2019-12-31 |
Publications (2)
Publication Number | Publication Date |
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CN111081444A CN111081444A (zh) | 2020-04-28 |
CN111081444B true CN111081444B (zh) | 2021-11-26 |
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CN202010016222.8A Active CN111081444B (zh) | 2019-12-31 | 2020-01-08 | R-t-b系烧结磁体及其制备方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230021772A1 (zh) |
EP (1) | EP4086924A4 (zh) |
JP (1) | JP7312916B2 (zh) |
CN (1) | CN111081444B (zh) |
TW (1) | TWI738592B (zh) |
WO (1) | WO2021135143A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
CN113241231A (zh) * | 2021-04-30 | 2021-08-10 | 江西金力永磁科技股份有限公司 | 一种含钛烧结钕铁硼磁体及其制备方法 |
CN114284017A (zh) * | 2021-12-15 | 2022-04-05 | 烟台正海磁性材料股份有限公司 | 一种r-t-b类钕铁硼磁体及其制备方法和应用 |
CN114373593B (zh) * | 2022-03-18 | 2022-07-05 | 宁波科宁达工业有限公司 | 一种r-t-b磁体及其制备方法 |
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CN101981634A (zh) * | 2008-03-31 | 2011-02-23 | 日立金属株式会社 | R-t-b系烧结磁体及其制造方法 |
CN106158204A (zh) * | 2016-06-16 | 2016-11-23 | 宁波雄海稀土速凝技术有限公司 | 一种钕铁硼永磁材料及其制备方法 |
JP2017045828A (ja) * | 2015-08-26 | 2017-03-02 | 日立金属株式会社 | R−t−b系焼結磁石 |
CN108597707A (zh) * | 2018-04-08 | 2018-09-28 | 天津三环乐喜新材料有限公司 | 一种含Ce烧结磁体及制备方法 |
CN110444360A (zh) * | 2019-07-19 | 2019-11-12 | 宁波可可磁业股份有限公司 | 一种钕铁硼磁体及其制备方法 |
CN110473682A (zh) * | 2019-07-19 | 2019-11-19 | 宁波可可磁业股份有限公司 | 一种钕铁硼磁体及其制备工艺 |
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JP4318204B2 (ja) * | 2003-05-12 | 2009-08-19 | 昭和電工株式会社 | 希土類含有合金薄片の製造方法、希土類磁石用合金薄片、希土類焼結磁石用合金粉末、希土類焼結磁石、ボンド磁石用合金粉末、及びボンド磁石 |
US8012269B2 (en) * | 2004-12-27 | 2011-09-06 | Shin-Etsu Chemical Co., Ltd. | Nd-Fe-B rare earth permanent magnet material |
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JP5115511B2 (ja) * | 2008-03-28 | 2013-01-09 | Tdk株式会社 | 希土類磁石 |
JP2011258935A (ja) * | 2010-05-14 | 2011-12-22 | Shin Etsu Chem Co Ltd | R−t−b系希土類焼結磁石 |
ES2717445T3 (es) * | 2013-08-12 | 2019-06-21 | Hitachi Metals Ltd | Imán sinterizado R-T-B y método para producir un imán sinterizado R-T-B |
DE112015001049T5 (de) * | 2014-02-28 | 2016-12-08 | Hitachi Metals Ltd. | R-T-B-basierter Sintermagnet und Verfahren zu seiner Herstellung |
CN103996475B (zh) * | 2014-05-11 | 2016-05-25 | 沈阳中北通磁科技股份有限公司 | 一种具有复合主相的高性能钕铁硼稀土永磁体及制造方法 |
CN105321647B (zh) * | 2014-07-30 | 2018-02-23 | 厦门钨业股份有限公司 | 稀土磁铁用急冷合金和稀土磁铁的制备方法 |
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US10923256B2 (en) * | 2015-06-25 | 2021-02-16 | Hitachi Metals, Ltd. | R-T-B-based sintered magnet and method for producing same |
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US10943717B2 (en) * | 2016-02-26 | 2021-03-09 | Tdk Corporation | R-T-B based permanent magnet |
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2020
- 2020-01-08 CN CN202010016222.8A patent/CN111081444B/zh active Active
- 2020-07-07 JP JP2022539202A patent/JP7312916B2/ja active Active
- 2020-07-07 WO PCT/CN2020/100575 patent/WO2021135143A1/zh unknown
- 2020-07-07 US US17/784,996 patent/US20230021772A1/en active Pending
- 2020-07-07 EP EP20909158.6A patent/EP4086924A4/en active Pending
- 2020-12-21 TW TW109145204A patent/TWI738592B/zh active
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CN101981634A (zh) * | 2008-03-31 | 2011-02-23 | 日立金属株式会社 | R-t-b系烧结磁体及其制造方法 |
JP2017045828A (ja) * | 2015-08-26 | 2017-03-02 | 日立金属株式会社 | R−t−b系焼結磁石 |
CN106158204A (zh) * | 2016-06-16 | 2016-11-23 | 宁波雄海稀土速凝技术有限公司 | 一种钕铁硼永磁材料及其制备方法 |
CN108597707A (zh) * | 2018-04-08 | 2018-09-28 | 天津三环乐喜新材料有限公司 | 一种含Ce烧结磁体及制备方法 |
CN110444360A (zh) * | 2019-07-19 | 2019-11-12 | 宁波可可磁业股份有限公司 | 一种钕铁硼磁体及其制备方法 |
CN110473682A (zh) * | 2019-07-19 | 2019-11-19 | 宁波可可磁业股份有限公司 | 一种钕铁硼磁体及其制备工艺 |
Non-Patent Citations (2)
Title |
---|
Aru Yan,et al.Characterization of microstructure and coercivity of NdÐFeÐB magnets with Ti and Al or Cu addition.《Journal of Magnetism and Magnetic Materials》.1998,第185卷 * |
添加Ti对烧结NdFeB磁体微观组织和性能的影响;俞珺等;《稀有金属与硬质合金》;20171231;第45卷(第6期);44-47 * |
Also Published As
Publication number | Publication date |
---|---|
TW202126832A (zh) | 2021-07-16 |
JP2023504931A (ja) | 2023-02-07 |
JP7312916B2 (ja) | 2023-07-21 |
CN111081444A (zh) | 2020-04-28 |
WO2021135143A1 (zh) | 2021-07-08 |
EP4086924A4 (en) | 2024-04-03 |
TWI738592B (zh) | 2021-09-01 |
US20230021772A1 (en) | 2023-01-26 |
EP4086924A1 (en) | 2022-11-09 |
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