CN102623166B - Preparation method for high performance as cast condition neodymium iron boron magnet - Google Patents
Preparation method for high performance as cast condition neodymium iron boron magnet Download PDFInfo
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- CN102623166B CN102623166B CN2012101110955A CN201210111095A CN102623166B CN 102623166 B CN102623166 B CN 102623166B CN 2012101110955 A CN2012101110955 A CN 2012101110955A CN 201210111095 A CN201210111095 A CN 201210111095A CN 102623166 B CN102623166 B CN 102623166B
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- magnet
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- tempering
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- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000005266 casting Methods 0.000 claims abstract description 53
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000005496 tempering Methods 0.000 claims description 32
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 238000007670 refining Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 229910000859 α-Fe Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- 229910052771 Terbium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- 229910052733 gallium Inorganic materials 0.000 claims description 2
- 229910052735 hafnium Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 19
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 239000000696 magnetic material Substances 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 15
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 230000009977 dual effect Effects 0.000 description 6
- 238000004663 powder metallurgy Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Hard Magnetic Materials (AREA)
Abstract
Description
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Priority Applications (1)
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CN2012101110955A CN102623166B (en) | 2012-04-17 | 2012-04-17 | Preparation method for high performance as cast condition neodymium iron boron magnet |
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CN2012101110955A CN102623166B (en) | 2012-04-17 | 2012-04-17 | Preparation method for high performance as cast condition neodymium iron boron magnet |
Publications (2)
Publication Number | Publication Date |
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CN102623166A CN102623166A (en) | 2012-08-01 |
CN102623166B true CN102623166B (en) | 2013-11-20 |
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CN2012101110955A Expired - Fee Related CN102623166B (en) | 2012-04-17 | 2012-04-17 | Preparation method for high performance as cast condition neodymium iron boron magnet |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103632835B (en) * | 2013-12-03 | 2016-03-02 | 江苏大学 | A kind of quick forming method of high-performance neodymium-iron-boron magnet |
CN104134529B (en) * | 2014-07-21 | 2016-08-17 | 华南理工大学 | A kind of anisotropy nano-crystalline neodymium-iron-boronmagnet magnet and preparation method and application |
CN104376944B (en) * | 2014-11-21 | 2017-02-22 | 北矿磁材科技股份有限公司 | Rare earth iron boron magnetic powder, rare earth iron boron magnet and preparation method of rare earth iron boron magnetic powder |
JP6463852B2 (en) * | 2015-05-20 | 2019-02-06 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツングRobert Bosch Gmbh | Mold and method for forming permanent magnet with preform, and thermal deformation system |
CN106834613B (en) * | 2016-12-30 | 2018-12-28 | 深圳倍声声学技术有限公司 | A kind of heat treatment method improving moving-iron receiver component magnetic property |
CN107134338B (en) * | 2017-05-17 | 2020-06-23 | 成都银磁材料有限公司 | Neodymium-iron-boron bonded magnetic powder compositely added with zinc and gadolinium and preparation method thereof |
CN107146673B (en) * | 2017-05-17 | 2020-06-23 | 成都银磁材料有限公司 | Bonded magnetic powder and preparation method thereof |
CN110935826B (en) * | 2018-09-23 | 2021-08-03 | 哈尔滨工业大学(威海) | Forming method of fine-grain weak-texture copper alloy conical shell |
CN111378812B (en) * | 2020-04-08 | 2021-03-23 | 上海大学 | Heat treatment method for improving proportion of metal zigzag grain boundaries and heat treatment system used by heat treatment method |
CN113102686B (en) * | 2021-04-01 | 2022-11-29 | 杭州红山磁性材料有限公司 | Alnico integral magnetic steel orientation casting method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4867809A (en) * | 1988-04-28 | 1989-09-19 | General Motors Corporation | Method for making flakes of RE-Fe-B type magnetically aligned material |
CN1412328A (en) * | 2001-10-18 | 2003-04-23 | 山东中舜科技发展有限公司 | Production method of as-cast neodymium-iron-boron |
CN1153232C (en) * | 2001-11-16 | 2004-06-09 | 清华大学 | Method for making rareearth permanent magnet material by discharge plasma sintering |
CN100456395C (en) * | 2006-08-25 | 2009-01-28 | 浙江大学 | Preparation method of high corrosion resistance sintered neodymium iron boron |
CN101693264B (en) * | 2009-10-16 | 2011-02-16 | 江苏大学 | Large equal channel angular large-strain extrusion die |
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Address after: 211200 Jiangsu Province, Lishui District Yong Yang Town Bridge Road, No. 688 Applicant after: Jiangsu University Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Applicant before: Jiangsu University |
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Owner name: LINYI YINFENG ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANDONG SILVER PHOENIX CERAMICS GROUP CO., LTD. Effective date: 20141225 |
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