CN1114779A - 稀土-铁-硼永磁材料及该材料的制备方法 - Google Patents
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- 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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Abstract
Description
Br(KG) | Hc(KOe) | (BH)(MGOe) | iHC(KOe) | |
实施方案1 | 14.8 | 10.50 | 53.1 | 10.58 |
实施方案2 | 14.5 | 11.0 | 50.8 | 11.50 |
实施方案3 | 13.8 | 12.9 | 45.9 | 15.00 |
比较例1 | — | — | — | — |
比较例2 | 13.3 | 9.9 | 42.0 | 9.98 |
比较例3 | 13.4 | 10.3 | 42.7 | 10.70 |
比较例4 | 13.1 | 10.0 | 40.5 | 10.30 |
比较例5 | 12.9 | 11.3 | 39.3 | 13.50 |
比较例6 | 12.2 | 10.5 | 34.4 | 11.50 |
密 度ρ(g/cm3) | 晶粒尺寸(μm) | 取向度f(%) | 成角度{(Br2/4)/(BH)max} | 主相量(1-α)(%) | 氧含量(ppm) | |
实施方案1 | 7.55 | 平均6 | 96 | 1.031 | 96.5 | 1500 |
实施方案2 | 7.57 | 平均6 | 95.5 | 1.035 | 94.0 | 2500 |
实施方案3 | 7.59 | 平均6 | 93.2 | 1.038 | 92.7 | 2000 |
比较例1 | 6.8 | — | — | — | — | 6500 |
比较例2 | 7.40 | 平均11 | 87.5 | 1.053 | 96.5 | 4200 |
比较例3 | 7.44 | 平均15 | 88.4 | 1.052 | 95.5 | 5000 |
比较例4 | 7.43 | 平均12 | 86.5 | 1.060 | 95.5 | 5500 |
比较例5 | 7.44 | 平均14 | 87.2 | 1.058 | 92.7 | 5000 |
比较例6 | 7.50 | 平均15 | 85.8 | 1.081 | 86.0 | 6500 |
组 成 | 磁性特征 | ||||
Br | Hc | (BH)max | iHc | ||
实施方案4 | 13.8Nd—0.1Pr—0.3Dy—6.3B—Fe余量 | 14.0 | 12.5 | 47.5 | 13.5 |
比较例7 | 13.8Nd—0.1Pr—0.3Dy—6.3B—Fe余量 | 13.2 | 12.0 | 40.7 | 12.5 |
比较例8 | 13.8Nd—0.1Pr—0.3Dy—6.3B—Fe余量 | 13.2 | 11.9 | 40.8 | 12.0 |
比较例9 | 13.8Nd—0.1Pr—0.3Dy—6.3B—Fe余量 | 13.3 | 12.3 | 42.3 | 12.9 |
密度p(g/cm) | 晶粒尺寸(μm) | 取向度f(%) | 成角度{Br2/4)/(BH)max} | 主相量(1-α)(%) | 氧含量(ppm) | |
实施方案4 | 7.56 | 平均8 | 94.5 | 1.32 | 92.8 | 3000 |
比较例7 | 7.53 | 平均15 | 89.2 | 1.07 | 92.8 | 5000 |
比较例8 | 7.53 | 平均16 | 89.2 | 1.068 | 92.8 | 5500 |
比较例9 | 7.54 | 平均8 | 89.9 | 1.053 | 92.8 | 4000 |
组 分 | 磁性特征 | ||||
Br | Hc | (BH)max | iHc | ||
实施方案5 | 13.3Nd—0.1Pr—0.5Dy—6B—Fe余量 | 14.2 | 12.8 | 48.5 | 14.5 |
比较例10 | 13.3Nd—0.1Py—0.5Dy—6B—Fe余量 | 13.3 | 11.5 | 41.5 | 13.5 |
比较例11 | 13.3Nd—0.1Pr—0.5Dy—6B—Fe余量 | 13.3 | 11.8 | 41.7 | 13.6 |
比较例12 | 13.3Nd—0.1Pr—0.5Dy—6B—Fe余量 | 13.4 | 11.6 | 42.6 | 14.0 |
密度ρ(g/cm) | 晶体尺寸(μm) | 取向度f(%) | 成角度{(Br2/4)/(BH)max} | 主相量(1-α)(%) | 氧含量(ppm) | |
实施方案5 | 7.57 | 平均6 | 95.9 | 1.039 | 94.0 | 2000 |
比较例10 | 7.56 | 平均14 | 89.8 | 1.066 | 94.0 | 5000 |
比较例11 | 7.55 | 平均15 | 89.8 | 1.060 | 94.0 | 5500 |
比较例12 | 7.56 | 平均8 | 90.5 | 1.054 | 94.0 | 3800 |
组 成 | 磁性特征 | 密度g/cm3 | ||||
Br | Hc | (BH)max | iHc | |||
实施方案6 | 13.5Nd—0.1Pr—1.0Dy—6.7B—6.5Co—Fe余量 | 13.3 | 12.4 | 42.5 | 17.0 | 7.62 |
比较方案7 | 12.3Nd—0.1Py—1.0Dy—7.3B—11.3Co—Fe余量 | 13.5 | 12.5 | 44.0 | 16.8 | 7.61 |
比较例13 | 13.5Nd—0.1Pr—1.0Dy—6.7B—11.3Co—Fe余量 | 12.0 | 11.0 | 34.0 | 15.8 | 7.56 |
比较例14 | 13.5Nd0.1Pr—1.0Dy—6.7B—11.3Co—Fe余量 | 12.2 | 11.1 | 35.0 | 15.5 | 7.55 |
比较例15 | 13.5Nd—0.1Pr—1.0Dy—6.7B—11.3Co—Fe余量 | 12.2 | 11.2 | 35.2 | 16.5 | 7.58 |
密度ρ(g/cm3) | 晶粒尺寸(μm) | 取向度f(%) | 成角度{Br2/4/(BH)max} | 主相量(1-α)(%) | 氧含量(ppm) | |
实施方案6 | 7.62 | 平均5 | 94 | 1.04 | 91 | 2800 |
实施方案7 | 7.61 | 平均6 | 95.5 | 1.036 | 94 | 2200 |
比较例13 | 7.56 | 平均14 | 85.7 | 1.056 | 91 | 4800 |
比较例14 | 7.55 | 平均16 | 87.1 | 1.063 | 91 | 5000 |
比较例15 | 7.58 | 平均6 | 87.1 | 1.057 | 91 | 3500 |
Claims (50)
Applications Claiming Priority (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP192886/1993 | 1993-07-06 | ||
JP192886/93 | 1993-07-06 | ||
JP19288693A JP3415208B2 (ja) | 1993-07-06 | 1993-07-06 | R−Fe−B系永久磁石材料の製造方法 |
JP5207192A JPH0745412A (ja) | 1993-07-28 | 1993-07-28 | R−Fe−B系永久磁石材料 |
JP207190/1993 | 1993-07-28 | ||
JP207191/93 | 1993-07-28 | ||
JP20719093A JP3151087B2 (ja) | 1993-07-28 | 1993-07-28 | R−Fe−B系永久磁石用原料粉末の製造方法及び原料粉末調整用合金粉末 |
JP207192/93 | 1993-07-28 | ||
JP207190/93 | 1993-07-28 | ||
JP207191/1993 | 1993-07-28 | ||
JP207192/1993 | 1993-07-28 | ||
JP20719193A JP3151088B2 (ja) | 1993-07-28 | 1993-07-28 | R−Fe−B系永久磁石用原料粉末の製造方法及び原料粉末調整用合金粉末 |
JP212171/1993 | 1993-08-03 | ||
JP21217193A JP3299000B2 (ja) | 1993-08-03 | 1993-08-03 | R−Fe−B系永久磁石用原料粉末の製造方法及び原料粉末調整用合金粉末 |
JP212171/93 | 1993-08-03 |
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CN1114779A true CN1114779A (zh) | 1996-01-10 |
CN1076115C CN1076115C (zh) | 2001-12-12 |
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CN93115008A Expired - Lifetime CN1076115C (zh) | 1993-07-06 | 1993-10-15 | 稀土-铁-硼永磁材料的制备方法 |
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EP (1) | EP0633581B1 (zh) |
KR (1) | KR0131060B1 (zh) |
CN (1) | CN1076115C (zh) |
AT (1) | ATE165477T1 (zh) |
DE (1) | DE69318147T2 (zh) |
RU (1) | RU2113742C1 (zh) |
TW (1) | TW272293B (zh) |
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DE102016205243A1 (de) * | 2016-03-30 | 2017-10-05 | Thyssenkrupp Ag | Vorrichtung und Verfahren zur Aufbereitung eines Probematerials |
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CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
JPS62291901A (ja) * | 1986-06-12 | 1987-12-18 | Toshiba Corp | 永久磁石 |
CN1051864C (zh) * | 1986-08-04 | 2000-04-26 | 住友特殊金属株式会社 | 具有优异耐蚀性的稀土永磁体 |
GB2201426B (en) * | 1987-02-27 | 1990-05-30 | Philips Electronic Associated | Improved method for the manufacture of rare earth transition metal alloy magnets |
EP0304054B1 (en) * | 1987-08-19 | 1994-06-08 | Mitsubishi Materials Corporation | Rare earth-iron-boron magnet powder and process of producing same |
JPH01119001A (ja) * | 1987-10-30 | 1989-05-11 | Kubota Ltd | 希土類含有永久磁石粉末の製造方法 |
JPH0529117A (ja) * | 1990-10-22 | 1993-02-05 | Kawasaki Steel Corp | 希土類−遷移金属系異方性磁粉の製造方法 |
EP0517179B1 (en) * | 1991-06-04 | 1995-05-17 | Shin-Etsu Chemical Co., Ltd. | Method of making two phase Rare Earth permanent magnets |
JP2782024B2 (ja) * | 1992-01-29 | 1998-07-30 | 住友特殊金属株式会社 | R−Fe−B系永久磁石用原料粉末の製造方法 |
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1993
- 1993-10-14 AT AT93308184T patent/ATE165477T1/de active
- 1993-10-14 DE DE69318147T patent/DE69318147T2/de not_active Expired - Lifetime
- 1993-10-14 RU RU93049098A patent/RU2113742C1/ru active
- 1993-10-14 EP EP93308184A patent/EP0633581B1/en not_active Expired - Lifetime
- 1993-10-15 TW TW082108554A patent/TW272293B/zh not_active IP Right Cessation
- 1993-10-15 KR KR93021615A patent/KR0131060B1/ko not_active IP Right Cessation
- 1993-10-15 CN CN93115008A patent/CN1076115C/zh not_active Expired - Lifetime
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US7618497B2 (en) | 2003-06-30 | 2009-11-17 | Tdk Corporation | R-T-B based rare earth permanent magnet and method for production thereof |
CN100334663C (zh) * | 2003-06-30 | 2007-08-29 | Tdk株式会社 | R-t-b系稀土类永磁体及其制造方法 |
CN100394518C (zh) * | 2006-08-04 | 2008-06-11 | 北京工业大学 | 一种制备高矫顽力烧结稀土-铁-硼永磁材料的方法 |
CN101393791B (zh) * | 2007-09-21 | 2012-10-03 | 有研稀土新材料股份有限公司 | 一种各向异性粘结磁粉及其制备方法 |
CN101872668B (zh) * | 2009-04-23 | 2014-06-25 | 北京中科三环高技术股份有限公司 | 具有优良磁化特性的烧结钕铁硼稀土永磁体及其制造方法 |
CN102087917B (zh) * | 2009-12-02 | 2014-06-25 | 北京中科三环高技术股份有限公司 | 一种辐射取向磁环或多极磁环的制备方法及其压制设备 |
CN102087917A (zh) * | 2009-12-02 | 2011-06-08 | 北京中科三环高技术股份有限公司 | 一种辐射取向磁环或多极磁环的制备方法及其压制设备 |
US11024448B2 (en) | 2011-07-08 | 2021-06-01 | Tdk Corporation | Alloy for R-T-B-based rare earth sintered magnet, process of producing alloy for R-T-B-based rare earth sintered magnet, alloy material for R-T-B-based rare earth sintered magnet, R-T-B-based rare earth sintered magnet, process of producing R-T-B-based rare earth sintered magnet, and motor |
US10290408B2 (en) | 2011-12-27 | 2019-05-14 | Intermetallics Co., Ltd. | NdFeB system sintered magnet |
US10468166B2 (en) | 2011-12-27 | 2019-11-05 | Intermetallics Co., Ltd. | NdFeB system sintered magnet |
CN103915232A (zh) * | 2013-01-07 | 2014-07-09 | 昭和电工株式会社 | R-t-b 系稀土族烧结磁铁、r-t-b 系稀土族烧结磁铁用合金及其制造方法 |
US9558872B2 (en) | 2013-01-07 | 2017-01-31 | Showa Denko K.K. | R-T-B rare earth sintered magnet, alloy for R-T-B rare earth sintered magnet, and method of manufacturing the same |
CN103915232B (zh) * | 2013-01-07 | 2017-04-12 | 昭和电工株式会社 | R‑t‑b系稀土族烧结磁铁、r‑t‑b系稀土族烧结磁铁用合金及其制造方法 |
CN108481877A (zh) * | 2018-03-10 | 2018-09-04 | 葛理想 | 电磁屏蔽用磁材的碎化处理工艺 |
Also Published As
Publication number | Publication date |
---|---|
TW272293B (zh) | 1996-03-11 |
RU2113742C1 (ru) | 1998-06-20 |
CN1076115C (zh) | 2001-12-12 |
EP0633581B1 (en) | 1998-04-22 |
KR950004295A (ko) | 1995-02-17 |
EP0633581A1 (en) | 1995-01-11 |
KR0131060B1 (en) | 1998-04-24 |
ATE165477T1 (de) | 1998-05-15 |
DE69318147D1 (de) | 1998-05-28 |
DE69318147T2 (de) | 1998-11-12 |
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