CN105659336A - 一种含W的R-Fe-B-Cu系烧结磁铁及急冷合金 - Google Patents
一种含W的R-Fe-B-Cu系烧结磁铁及急冷合金 Download PDFInfo
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- UFZOPKFMKMAWLU-UHFFFAOYSA-N ethoxy(methyl)phosphinic acid Chemical compound CCOP(C)(O)=O UFZOPKFMKMAWLU-UHFFFAOYSA-N 0.000 description 1
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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
- H01F1/0536—Alloys characterised by their composition containing rare earth metals sintered
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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
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- 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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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- 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
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- 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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Abstract
本发明公开了一种含W的R-Fe-B-Cu系烧结磁铁及急冷合金。烧结磁铁含有R2Fe14B型主相，所述的R为包括Nd或Pr的至少一种稀土元素，所述稀土磁铁的结晶晶界中含有0.004at％以上、0.26at％以下的富W区域，所述富W区域占所述烧结磁铁的5.0体积％～11.0体积％。该烧结磁铁通过微量的W钉扎结晶物在结晶晶界中偏析钉扎晶界的迁移，可以有效防止晶粒异常长大的产生，获得显著的改善效果。急冷合金的结晶晶界中含有0.004at％以上、0.26at％以下的富W区域，所述富W的区域占所述结晶晶界的至少50体积％。
Description
PCT国内申请，说明书已公开。
Claims (12)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410126926.5A CN104952574A (zh) | 2014-03-31 | 2014-03-31 | 一种含W的Nd-Fe-B-Cu系烧结磁铁 |
| CN2014101269265 | 2014-03-31 | ||
| PCT/CN2015/075512 WO2015149685A1 (zh) | 2014-03-31 | 2015-03-31 | 一种含W的R‐Fe‐B‐Cu系烧结磁铁及急冷合金 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105659336A true CN105659336A (zh) | 2016-06-08 |
| CN105659336B CN105659336B (zh) | 2018-01-23 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410126926.5A Pending CN104952574A (zh) | 2014-03-31 | 2014-03-31 | 一种含W的Nd-Fe-B-Cu系烧结磁铁 |
| CN201580002027.7A Active CN105659336B (zh) | 2014-03-31 | 2015-03-31 | 一种含W的R‑Fe‑B‑Cu系烧结磁铁及急冷合金 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410126926.5A Pending CN104952574A (zh) | 2014-03-31 | 2014-03-31 | 一种含W的Nd-Fe-B-Cu系烧结磁铁 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10381139B2 (zh) |
| EP (1) | EP3128521B8 (zh) |
| JP (1) | JP6528046B2 (zh) |
| CN (2) | CN104952574A (zh) |
| BR (1) | BR112016013421B8 (zh) |
| DK (1) | DK3128521T3 (zh) |
| ES (1) | ES2742188T3 (zh) |
| WO (1) | WO2015149685A1 (zh) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10614938B2 (en) * | 2014-03-31 | 2020-04-07 | Xiamen Tungsten Co., Ltd. | W-containing R—Fe—B—Cu sintered magnet and quenching alloy |
| 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 |
| EP3279906A4 (en) * | 2015-04-02 | 2018-07-04 | Xiamen Tungsten Co. Ltd. | Ho and w-containing rare-earth magnet |
| 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 |
| JP6645219B2 (ja) * | 2016-02-01 | 2020-02-14 | Tdk株式会社 | Ｒ−ｔ−ｂ系焼結磁石用合金、及びｒ−ｔ−ｂ系焼結磁石 |
| 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 |
| 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 |
| CN110021466A (zh) * | 2017-12-28 | 2019-07-16 | 厦门钨业股份有限公司 | 一种R-Fe-B-Cu-Al系烧结磁铁及其制备方法 |
| CN109192426B (zh) * | 2018-09-05 | 2020-03-10 | 福建省长汀金龙稀土有限公司 | 含有Tb和Hf的R-Fe-B系烧结磁体及其制备方法 |
| CN110993233B (zh) * | 2019-12-09 | 2021-08-27 | 厦门钨业股份有限公司 | 一种r-t-b系永磁材料、原料组合物、制备方法、应用 |
| CN110976887B (zh) * | 2019-12-17 | 2022-02-11 | 哈尔滨东大高新材料股份有限公司 | AgWC(T)/CuC(X)触头材料及其制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87105186A (zh) * | 1986-07-23 | 1988-02-03 | 日立金属株式会社 | 热稳定性良好的永久磁铁 |
| US20070240788A1 (en) * | 2006-04-14 | 2007-10-18 | Shin-Etsu Chemical Co., Ltd. | Method for preparing rare earth permanent magnet material |
Family Cites Families (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5223047A (en) * | 1986-07-23 | 1993-06-29 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
| JPH01103805A (ja) * | 1987-07-30 | 1989-04-20 | Tdk Corp | 永久磁石 |
| JP2720040B2 (ja) | 1988-02-26 | 1998-02-25 | 住友特殊金属株式会社 | 焼結永久磁石材料とその製造方法 |
| JP3932143B2 (ja) | 1992-02-21 | 2007-06-20 | Ｔｄｋ株式会社 | 磁石の製造方法 |
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| Publication number | Publication date |
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| US10381139B2 (en) | 2019-08-13 |
| EP3128521A4 (en) | 2017-12-27 |
| CN104952574A (zh) | 2015-09-30 |
| BR112016013421A2 (zh) | 2020-06-16 |
| US20160300648A1 (en) | 2016-10-13 |
| BR112016013421B8 (pt) | 2023-03-07 |
| EP3128521B8 (en) | 2019-09-18 |
| WO2015149685A1 (zh) | 2015-10-08 |
| EP3128521A1 (en) | 2017-02-08 |
| CN105659336B (zh) | 2018-01-23 |
| EP3128521B1 (en) | 2019-06-05 |
| JP2017517140A (ja) | 2017-06-22 |
| BR112016013421B1 (pt) | 2022-03-29 |
| JP6528046B2 (ja) | 2019-06-12 |
| ES2742188T3 (es) | 2020-02-13 |
| DK3128521T3 (da) | 2019-09-09 |
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