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双相合金工艺是近几年发展起来的一种新的制造烧结Nd-Fe-B系永磁材料的方法.该工艺对于高性能磁体的制备展现出广阔的发展前景.简述了双相合金法制备烧结钕铁硼磁体的技术过程,总结了各种添加元素对于烧结钕铁硼永磁合金的显微结构和磁性能的影响.

参考文献

[1] Sagawa M;Fujimura S;Togawa N et al.New material for permanent magnets on a base of Nd and Fe[J].Journal of Applied Physics,1984,55(06):2083-2087.
[2] 周寿增;董清飞.超强永磁体--稀土铁系永磁材料[M].北京:冶金工业出版社,2004
[3] 松崎.日本烧结钕铁硼最大磁能积创新高[J].稀土信息,2005(09):12.
[4] 李飞.烧结钕铁硼磁体的开发与应用[J].稀土,2000(03):59-61.
[5] 何叶青,熊科,韩丽萍,高肃钧,张茂才,周寿增.铸锭组织的不均匀性对烧结Nd-Fe-B磁体的制粉工艺及磁性能的影响[J].稀土,2000(01):23-26.
[6] 周俊琪,张敏刚.Al与Mo复合添加对NdFeB磁体矫顽力的影响[J].稀土,2001(06):41-43.
[7] Rodewald W;Wall B;Katter M.Extraordinary strong Nd-Fe-B magnets by a controlled microstructure[A].Delaware USA:Rinton press,2002:25.
[8] Otsuki E;Otsuka T;Imai T.Processing and magnetic properties of sintered Nd-Fe-B magnets[A].Pittsburg,1990:328.
[9] Honshima M;ohashi K .High-energy Nd-Fe-B magnets and their applications[J].Journal of Materials Engineering and Performance,1994,3(02):218.
[10] Somitomo Mtal Mining Co ltd.Procceding of"NdFeB 98"[M].北京,1998
[11] 严密;于濂清;罗伟 .晶界相中添加纳米氮化硅提高钕铁硼工作温度和耐蚀性方法[P].中国专利:200510050000.3,2005-06-28.
[12] Liu J F et al.Microstructure and magnetic properties of sintered Nd-Fe-B magnets with improved toughness[J].Journal of Applied Physics,2005,97:10H101-101H101-3.
[13] Horton J.A.;Wright J.L. .Fracture toughness of commercial magnets[J].IEEE Transactions on Magnetics,1996(5):4374-4376.
[14] Liu S;Cao D;Leese R.Sintered Nd-Fe-B magnets with high fracture tonghness[A].Delaware,2002:360.
[15] 蒋建华,曾振鹏.合金元素对烧结NdFeB永磁材料断裂强度的影响[J].稀有金属材料与工程,1999(03):144-147.
[16] 李安华,董生智,李卫.烧结NdFeB永磁材料的力学性能及断裂行为的各向异性[J].稀有金属材料与工程,2003(08):631-634.
[17] 王会杰,李安华,李卫.添加稀土氢化物对烧结Nd-Fe-B磁体强度的影响[J].稀有金属材料与工程,2007(06):1088-1090.
[18] 李卫,朱明刚.高性能稀土永磁材料及其关键制备技术[J].中国有色金属学报,2004(z1):332-336.
[19] 王占勇.添加Dy2O3对烧结NdFeB磁体微观结构的影响[J].热加工工艺,2007(06):10-11.
[20] Zhao T.S.;Kim Y.B. .Effect of FeGa/sub 3/ powder addition on the magnetic properties of NdFeB sintered magnets[J].IEEE Transactions on Magnetics,1999(5):3301-3303.
[21] Grieb B;Pithan C;E-Th et al.Replacement of Nd by an intermetallic phase in the intergranular region of Fe-Nd-B sintered magnets[J].Applied Physics,1991,70:6354-6356.
[22] Bernardi J.;Fidler J. .Preparation and TEM-study of sintered Nd/sub 18/Fe/sub 74/B/sub 6/Ga/sub 1/Nb/sub 1/ magnets[J].IEEE Transactions on Magnetics,1993(6):2773-2775.
[23] Kianvash A;Harris IR;Mottram RS .Densification of a Nd sub 13 Fe sub 78 NbCoB sub 7 -type sintered magnet by (Nd, Dy) - hydride additions using a powder blending technique[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,1999(1/2):206-214.
[24] Bernardi J;Fidler J .Preparation and transmission electronmicroscope investigation of sintered Nd15.4Fe75.7B6.7Cu1.3Nb0.9 magnets[J].Journal of Applied Physics,1994,76:6241.
[25] Ishikawa T.;Hamada Y. .Domain wall pinning by fine precipitates[J].IEEE Transactions on Magnetics,1989(5):3434-3436.
[26] Hu Jifan .Volume expansion and Cruie temperature inRFe11.35Nb0.65Cx compound[J].Journal of Alloys and Compounds,1999,288:226-228.
[27] Endoh M;tokunaga M;Harada H .Magnetic properties and themal stabilities of Ga substituted Nd-Fe-Co-B magnets[J].IEEE Transactions on Magnetics,1987,23:2290-2292.
[28] Tokunaga M;Kogure H;Endoh M et al.Improvement of themal stability of Nd-Dy-Fe-Co-B sintered magnets by additions of Al、Nb and Ga[J].IEEE Transactions on Magnetics,1987,23:2287-2289.
[29] Tokunaga M.;Nozawa Y. .Ga added Nd-Fe-B sintered and die-upset magnets[J].IEEE Transactions on Magnetics,1989(5):3561-3566.
[30] Jifan Hu;Zhenxi Wang .Study of the coercivity for Nd-Fe-B-Ga sintered magnets[J].IEEE Transactions on Magnetics,1989(5):3429-3430.
[31] Fidler J.;Groiss C. .The influence of Ga-substitution on the coercivity of Nd-(Fe,Co)-B sintered permanent magnets[J].IEEE Transactions on Magnetics,1990(5):1948-1950.
[32] 成问好,李卫,李传健.Nb含量对烧结NdFeB永磁体磁性能及显微结构的影响[J].物理学报,2001(01):139-143.
[33] 胡礼福,易健宏,彭元东,吕豫湘,李丽娅.元素Ga对烧结Nd-Fe-B永磁体显微结构与磁性能的影响[J].粉末冶金工业,2004(06):12-19.
[34] Hirosawa S;Tsubokawa Y .The Nd-Fe-B materials for Permanent magnet[J].Journal of Magnetism and Magnetic Materials,1990,84:309-316.
[35] 周寿增;唐伟中;王润 .烧结NdFeB永磁合金的边界显微结构与磁硬化[J].金属学报,1990,26(04):B290-B294.
[36] Kim A S;Cammp Fe .Effect of minor grain boundary additives on the magnetic properties of NdFeB magnets[J].Journal of Applied Physics,1996,79(08):5035-5041.
[37] Yan A.;Wang XT.;Song XP. .EFFECT OF MINOR INTERGRANULAR ADDITIVES ON MICROSTRUCTURE AND MAGNETIC PROPERTIES OF ND-FE-B BASED MAGNETS[J].Journal of Magnetism and Magnetic Materials,1997(1/2):193-198.
[38] YAN A-ru;SONG Xiao-ping;SONG Ming-da et al.Magnetic and microstructural properties of sintered NdFeB-based magnets with W,Mo and Nb addition[J].Journal of Alloys and Compounds,1997,257:273-277.
[39] 宋晓平,杨森,王献辉,孙占波.铜、 钛复合添加对烧结NdFeB磁体显微组织和磁性能的影响[J].中国稀土学报,2001(01):32-35.
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