CN1148762C - 多织构整体烧结成型稀土永磁体及制备方法 - Google Patents
多织构整体烧结成型稀土永磁体及制备方法 Download PDFInfo
- Publication number
- CN1148762C CN1148762C CNB021240019A CN02124001A CN1148762C CN 1148762 C CN1148762 C CN 1148762C CN B021240019 A CNB021240019 A CN B021240019A CN 02124001 A CN02124001 A CN 02124001A CN 1148762 C CN1148762 C CN 1148762C
- Authority
- CN
- China
- Prior art keywords
- earth permanent
- rare
- permanent magnet
- texture
- integrally sintered
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Hard Magnetic Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
序号 | 成分 |
实施例1 | Sm36.5Co63.5 |
实施例2 | Sm26Co38Cu8Fe25Zr2Nb1 |
实施例3 | Nd32.2Dy0.4Fe66.16Nb0.2B1.04 |
实施例4 | Sm35Co65 |
实施例5 | Sm25.5Co48.5Cu13Fe12Zr1 |
实施例6 | Nd31.3Dy0.5Fe66.97Ga0.1Nb0.1B1.03 |
实施例7 | Sm24.5Co50.7Cu14Fe10Zr0.8 |
实施例8 | Nd31.6Pr0.5Dy1.5Fe65.35B1.05 |
对比例9 | Sm26Co38Cu8Fe25Zr2Nb1 |
对比例10 | Nd31.6Pr0.5Dy1.5Fe65.35B1.05 |
序号 | 真空度(Pa) | 保温 | 烧结 | 回火 | 气氛 |
实施例1 | 10-2 | 900℃×30′ | 1120℃×60′后以150℃/min的速度冷至室温 | 900℃×300′后以1℃/min的速度冷至室温 | Ar气 |
实施例2 | 10-2 | 850℃×30′ | 1180℃×60′后以160℃/min的速度冷至室温 | 700℃×30′+600℃×60′+500℃×120′+400℃×600′+气淬至室温 | Ar气 |
实施例3 | 10-2 | 850℃×30′ | 1050℃×30′+1095℃×180′+气淬 | 890℃×120′+气淬+580℃×120′+气淬至室温 | Ar气 |
实施例4 | 10-2 | 900℃×30′ | 1120℃×60′后以0.8℃/min的速度冷至900℃,再以150℃/min的速度冷至室温 | (无) | Ar气 |
实施例5 | 10-2 | 850℃×30′ | 1175℃×120′后以160℃/min的速度冷至室温 | 700℃×60′+600℃×30′+500℃×120′+400℃×600′+气淬至室温 | Ar气 |
实施例6 | 10-2 | 820℃×30′ | 1070℃×30′+1100℃×150′+气淬 | 900℃×150′+气淬+600℃×180′+气淬至室温 | Ar气 |
实施例7 | 10-2 | 850℃×30′ | 1185℃×50′后以160℃/min的速度冷至室温 | 830℃×30′+700℃×30′+600℃×60′+500℃×120′+400℃×600′+气淬至室温 | Ar气 |
实施例8** | 10-2 | 820℃×30′ | 1070℃×30′+1105℃×180′+气淬 | 910℃×150′+605℃×180′+气淬至室 | Ar气 |
对比例9 | 10-2 | 850℃×30′ | 1180℃×60′后以160℃/min的速度冷至室温 | 700℃×30′+600℃×60′+500℃×120′+400℃×600′+气淬 | Ar气 |
对比例10* | 10-2 | 820℃×30′ | 1070℃×30′+1105℃×180′+气淬 | 910℃×150′+605℃×180′+气淬 | Ar气 |
序号 | Br(KGs) | bHc(KOe) | iHc(KOe) | (BH)max(MGOe) |
实施例1 | 9.5 | 8.0 | 16.0 | 17.8 |
实施例2 | 11.2 | 6.8 | 7.0 | 27.0 |
实施例3 | 13.4 | 12.9 | 15.0 | 43.1 |
实施例4 | 10 | 9 | 30 | 23.5 |
实施例5 | 11.0 | 9.9 | 23.0 | 28 |
实施例6 | 13.9 | 13.6 | 18.0 | 45.2 |
实施例7 | 10.8 | 9.3 | 33.5 | 28.5 |
实施例8 | 13.6 | 13.1 | 25.0 | 43.9 |
对比例9 | 9.0 | 6.6 | 7.3 | 19.2 |
对比例10 | 12.8 | 11.4 | 18 | 37.0 |
测量点实施例 | 1 | 2 | 3 |
实施例1(见附图1) | 0.20 | 3.05 | 3.82 |
实施例2(见附图2) | 0.45 | 4.41 | 4.89 |
实施例3(见附图1) | 0.38 | 5.28 | 5.64 |
实施例4(见附图2) | 0.36 | 3.87 | 4.32 |
实施例5(见附图1) | 0.31 | 4.62 | 4.83 |
实施例6(见附图2) | 0.68 | 5.36 | 5.71 |
实施例7(见附图1) | 0.33 | 4.67 | 4.92 |
实施例8(见附图2) | 0.57 | 5.28 | 5.59 |
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021240019A CN1148762C (zh) | 2002-06-14 | 2002-06-14 | 多织构整体烧结成型稀土永磁体及制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021240019A CN1148762C (zh) | 2002-06-14 | 2002-06-14 | 多织构整体烧结成型稀土永磁体及制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1381851A CN1381851A (zh) | 2002-11-27 |
CN1148762C true CN1148762C (zh) | 2004-05-05 |
Family
ID=4745286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021240019A Expired - Lifetime CN1148762C (zh) | 2002-06-14 | 2002-06-14 | 多织构整体烧结成型稀土永磁体及制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1148762C (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI682409B (zh) * | 2015-03-24 | 2020-01-11 | 日商日東電工股份有限公司 | 稀土類磁鐵及使用該磁鐵的線性馬達 |
CN105321651A (zh) * | 2015-10-16 | 2016-02-10 | 宁波鑫丰磁业有限公司 | 一种一次成型的halbach阵列永磁轴向环 |
CN105275678B (zh) * | 2015-11-23 | 2018-01-26 | 罗震洲 | 一种汽油车节油器及其制造方法 |
CN106876086B (zh) * | 2017-01-22 | 2020-02-21 | 中能投资国际控股有限公司 | 多磁化单个永久磁铁、磁路、模具及其制造方法 |
EP3385961B1 (de) * | 2017-04-05 | 2021-09-01 | Pfeiffer Vacuum Gmbh | Monolithischer permanentmagnet |
CN107256791B (zh) * | 2017-05-13 | 2019-02-15 | 安徽大地熊新材料股份有限公司 | 一种异形磁路磁体的制备方法 |
CN111415795A (zh) * | 2019-12-31 | 2020-07-14 | 上海三环磁性材料有限公司 | 一种各向异性粘结铁氧体平面双极取向磁化模具 |
-
2002
- 2002-06-14 CN CNB021240019A patent/CN1148762C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1381851A (zh) | 2002-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102610347B (zh) | 稀土永磁合金材料及其制备工艺 | |
CN105489335B (zh) | 一种晶界扩散提高烧结钕铁硼磁性能的方法 | |
CN106601407B (zh) | 提高钕铁硼磁体矫顽力的方法 | |
CN102496437B (zh) | 各向异性纳米晶复相致密化块体钕铁硼永磁材料的制备方法 | |
CN103985533B (zh) | 共晶合金氢化物掺杂提高烧结钕铁硼磁体矫顽力的方法 | |
US20220059262A1 (en) | Two-step diffusion method for preparing high-performance dual-main-phase sintered mischmetal-iron-boron magnet | |
CN102412043B (zh) | 一种各向异性NdFeB辐射取向磁环的制造方法 | |
CN107424695B (zh) | 一种双合金纳米晶稀土永磁体及其制备方法 | |
CN104575920A (zh) | 稀土永磁体及其制备方法 | |
JP2022094920A (ja) | 焼結磁性体の製造方法 | |
CN111145973A (zh) | 一种含有晶界相的钐钴永磁体及其制备方法 | |
CN104637643A (zh) | 白云鄂博共伴生原矿混合稀土永磁材料及其制备方法 | |
CN112562952A (zh) | 一种钕铁硼永磁材料及其制备方法 | |
CN1148762C (zh) | 多织构整体烧结成型稀土永磁体及制备方法 | |
CN113571281B (zh) | 钕铁硼磁体的制备方法及提高晶界扩散效果的方法 | |
CN102218531A (zh) | 高性能烧结钕铁硼永磁体的混合制备方法 | |
CN111968818B (zh) | 一种钕铁硼永磁体及其制备方法和应用 | |
CN103137314A (zh) | 一种制备稀土-铁-硼永磁体的方法 | |
CN106158208A (zh) | 一种钕铁硼磁体的回火工艺 | |
CN1175435C (zh) | 多织构整体烧结成型稀土永磁环及其制造方法 | |
CN108364739B (zh) | 钕铁硼磁体及其制备方法 | |
CN105280319B (zh) | 由工业纯混合稀土制备的稀土铁硼材料及其制备方法和应用 | |
CN107026002B (zh) | 钕铁硼合金磁体的制备方法 | |
CN113921263A (zh) | 一种含镧和钇的烧结钕铁硼永磁材料的制备方法 | |
CN113593802A (zh) | 一种耐腐蚀、高性能钕铁硼烧结磁体及其制备方法和用途 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Tongchuang Strong Magnet Material Co., Ltd. Assignor: Central Iron & Steel Research Institute Contract fulfillment period: 2008.6.30 to 2016.6.30 Contract record no.: 2008990000244 Denomination of invention: Integrally sintered multi-texture rare-earth permanent magnet and its preparing process Granted publication date: 20040505 License type: exclusive license Record date: 20080811 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.6.30 TO 2016.6.30 Name of requester: NINGBO TONGCHUANG MAGNETIC MATERIALS CO., LTD. Effective date: 20080811 |
|
CX01 | Expiry of patent term |
Granted publication date: 20040505 |
|
CX01 | Expiry of patent term |