CN108352233B - 一种复合含有Pr和W的R-Fe-B系稀土烧结磁铁 - Google Patents
一种复合含有Pr和W的R-Fe-B系稀土烧结磁铁 Download PDFInfo
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- 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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Abstract
Description
金属Nd原料 | 纯度 | W浓度(ppm) |
A | 2N5 | 0 |
B | 2N5 | 1 |
C | 2N5 | 11 |
D | 2N5 | 28 |
E | 2N5 | 89 |
F | 2N5 | 150 |
G | 2N5 | 251 |
序号 | Nd | Pr | B | Co | Cu | W | Fe |
对比例1.1 | 31.9 | 1 | 0.9 | 1.0 | 0.2 | 0.01 | 余量 |
实施例1.1 | 31.7 | 2 | 0.9 | 1.0 | 0.2 | 0.01 | 余量 |
实施例1.2 | 30 | 5 | 0.9 | 1.0 | 0.2 | 0.01 | 余量 |
实施例1.3 | 22 | 10 | 0.9 | 1.0 | 0.2 | 0.01 | 余量 |
实施例1.4 | 12 | 20 | 0.9 | 1.0 | 0.2 | 0.01 | 余量 |
实施例1.5 | 0 | 32 | 0.9 | 1.0 | 0.2 | 0.01 | 余量 |
对比例1.2 | 12 | 20 | 0.9 | 1.0 | 0.2 | 0 | 余量 |
序号 | Nd | Pr | B | Cu | Al | Nb | W | Fe |
对比例2.1 | 21 | 10 | 0.85 | 0.8 | 0.2 | 0.2 | 0.0001 | 余量 |
实施例2.1 | 21 | 10 | 0.85 | 0.8 | 0.2 | 0.2 | 0.0005 | 余量 |
实施例2.2 | 21 | 10 | 0.85 | 0.8 | 0.2 | 0.2 | 0.002 | 余量 |
实施例2.3 | 21 | 10 | 0.85 | 0.8 | 0.2 | 0.2 | 0.008 | 余量 |
实施例2.4 | 21 | 10 | 0.85 | 0.8 | 0.2 | 0.2 | 0.03 | 余量 |
对比例2.2 | 21 | 10 | 0.85 | 0.8 | 0.2 | 0.2 | 0.05 | 余量 |
序号 | Nd | Pr | B | Cu | Ga | W | Fe |
对比例3.1 | 24.5 | 7 | 0.92 | 0.05 | 0.3 | 0.005 | 余量 |
实施例3.1 | 24.5 | 7 | 0.92 | 0.1 | 0.3 | 0.005 | 余量 |
实施例3.2 | 24.5 | 7 | 0.92 | 0.3 | 0.3 | 0.005 | 余量 |
实施例3.3 | 24.5 | 7 | 0.92 | 0.5 | 0.3 | 0.005 | 余量 |
实施例3.4 | 24.5 | 7 | 0.92 | 0.8 | 0.3 | 0.005 | 余量 |
对比例3.2 | 24.5 | 7 | 0.92 | 0.9 | 0.3 | 0.005 | 余量 |
对比例3.3 | 24.5 | 7 | 0.92 | 0.3 | 0.3 | 0 | 余量 |
序号 | Nd | Pr | B | Al | Cr | Fe |
对比例4.1 | 16 | 15.5 | 0.82 | 0.05 | 0.8 | 余量 |
实施例4.1 | 16 | 15.5 | 0.82 | 0.1 | 0.8 | 余量 |
实施例4.2 | 16 | 15.5 | 0.82 | 0.3 | 0.8 | 余量 |
实施例4.3 | 16 | 15.5 | 0.82 | 0.5 | 0.8 | 余量 |
实施例4.4 | 16 | 15.5 | 0.82 | 0.8 | 0.8 | 余量 |
对比例4.2 | 16 | 15.5 | 0.82 | 0.9 | 0.8 | 余量 |
Claims (15)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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CN201510625876X | 2015-09-28 | ||
CN201510625876 | 2015-09-28 | ||
CN2016108277609 | 2016-09-18 | ||
CN201610827760.9A CN106448985A (zh) | 2015-09-28 | 2016-09-18 | 一种复合含有Pr和W的R‑Fe‑B系稀土烧结磁铁 |
PCT/CN2016/099861 WO2017054674A1 (zh) | 2015-09-28 | 2016-09-23 | 一种复合含有Pr和W的R-Fe-B系稀土烧结磁铁 |
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CN108352233A CN108352233A (zh) | 2018-07-31 |
CN108352233B true CN108352233B (zh) | 2020-09-18 |
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CN201680056652.4A Active CN108352233B (zh) | 2015-09-28 | 2016-09-23 | 一种复合含有Pr和W的R-Fe-B系稀土烧结磁铁 |
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Country Status (8)
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US (1) | US10971289B2 (zh) |
EP (2) | EP3343571B1 (zh) |
JP (1) | JP6828027B2 (zh) |
CN (2) | CN106448985A (zh) |
DK (1) | DK3343571T3 (zh) |
ES (2) | ES2807755T3 (zh) |
TW (1) | TWI617676B (zh) |
WO (1) | WO2017054674A1 (zh) |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2018059197A (ja) * | 2016-09-30 | 2018-04-12 | 日立金属株式会社 | R−tm−b系焼結磁石 |
CN110619984B (zh) * | 2018-06-19 | 2021-12-07 | 厦门钨业股份有限公司 | 一种低B含量的R-Fe-B系烧结磁铁及其制备方法 |
CN110957091B (zh) * | 2019-11-21 | 2021-07-13 | 厦门钨业股份有限公司 | 钕铁硼磁体材料、原料组合物及制备方法和应用 |
CN110797157B (zh) * | 2019-11-21 | 2021-06-04 | 厦门钨业股份有限公司 | 钕铁硼磁体材料、原料组合物及制备方法和应用 |
CN110828089B (zh) * | 2019-11-21 | 2021-03-26 | 厦门钨业股份有限公司 | 钕铁硼磁体材料、原料组合物及制备方法和应用 |
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EP3686907A1 (en) | 2020-07-29 |
ES2909232T3 (es) | 2022-05-05 |
WO2017054674A1 (zh) | 2017-04-06 |
EP3343571A4 (en) | 2019-04-24 |
US20180294081A1 (en) | 2018-10-11 |
TW201716598A (zh) | 2017-05-16 |
EP3686907B1 (en) | 2021-10-27 |
JP6828027B2 (ja) | 2021-02-10 |
DK3343571T3 (da) | 2020-08-03 |
ES2807755T3 (es) | 2021-02-24 |
US10971289B2 (en) | 2021-04-06 |
EP3343571A1 (en) | 2018-07-04 |
CN108352233A (zh) | 2018-07-31 |
JP2018536278A (ja) | 2018-12-06 |
EP3343571B1 (en) | 2020-05-06 |
CN106448985A (zh) | 2017-02-22 |
TWI617676B (zh) | 2018-03-11 |
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