Synthesis, microstructure and magnetic properties of low Nd content Fe90Nd5B3.5M1.5 (M = Hf, Ti and Ta) alloys
作者： Zeqiang Zhang , Parmanand Sharma , Kunio Yubuta , Akihiro Makino
DOI: 10.1063/1.3670509
关键词:
摘要: We have investigated the effects of Hf, Ti and Ta addition on crystallization behavior, microstructure magnetic properties melt-spun Fe90Nd5B3.5M1.5 (M = Hf, Ta) alloy ribbons. Optimization processing conditions lead to development nano-composite magnets, made from high Bs soft bcc α-Fe (grain size ∼20 nm) tetragonal Nd2Fe14B ∼18 nm) hard phases. Hf is most effective in restraining growth phases during annealing. The Fe90Nd5B3.5Hf1.5 ribbon annealed at 1003 K for 600 s exhibits very maximum energy product (BH)max ∼127 kJ/m3 reduced remanence ∼1.34 T. Strong exchange coupling among nano-sized shown be responsible excellent properties. Among low Nd-containing NdFeB present seems highest (BH)max.
scitation.org
harvard.edu
elsevier.com
sci-hub.se 参考文章(18)
K. Raviprasad, N. Ravishankar, K. Chattopadhyay, M. Umemoto, Magnetic hardening mechanism in nanocrystalline Nd2Fe14B with 0.1 at. % addition of Cr, Cu, or Zr Journal of Applied Physics. ,vol. 83, pp. 916- 920 ,(1998) , 10.1063/1.366778
Neelam Kaushik, Parmanand Sharma, Hisamichi Kimura, Akihisa Inoue, Akihiro Makino, Exchange coupling in nanocomposite FePtB thin film magnets Journal of Applied Physics. ,vol. 103, ,(2008) , 10.1063/1.2835088
C. Wang, M. Y. Lan, M. Yan, Study on crystallization behavior and microstructure of melt-spun Nd2(Fe,Nb)14B/α-Fe alloys Journal of Materials Science. ,vol. 45, pp. 5637- 5641 ,(2010) , 10.1007/S10853-010-4628-8
Toyohiko J. Konno, Minoru Uehara, Satoshi Hirosawa, Kenji Sumiyama, Kenji Suzuki, Effect of Nb addition on the crystallization behavior and magnetic properties of melt-spun Fe-rich Fe–Nd–B ribbons Journal of Alloys and Compounds. ,vol. 268, pp. 278- 284 ,(1998) , 10.1016/S0925-8388(97)00582-3
Marzena Spyra, Daniela Derewnicka, Marcin Leonowicz, Lean neodymium Nd–Fe–B magnets containing minor addition of titanium Physica Status Solidi (a). ,vol. 207, pp. 1170- 1173 ,(2010) , 10.1002/PSSA.200983395
M. Sagawa, S. Fujimura, N. Togawa, H. Yamamoto, Y. Matsuura, New material for permanent magnets on a base of Nd and Fe (invited) Journal of Applied Physics. ,vol. 55, pp. 2083- 2087 ,(1984) , 10.1063/1.333572
K. Yajima, H. Nakamura, O. Kohmoto, T. Yoneyama, Microstructure of rapidly quenched Nd-Fe-Zr-B magnets Journal of Applied Physics. ,vol. 64, pp. 5528- 5530 ,(1988) , 10.1063/1.342325
Wei Zhang, Mitsuhide Matsushita, Akihisa Inoue, Hard magnetic properties of Fe–Co–Nd–Dy–B nanocrystalline alloys containing residual amorphous phase Journal of Applied Physics. ,vol. 89, pp. 492- 495 ,(2001) , 10.1063/1.1329666
Chuan-bing Rong, Vikas Nandwana, Narayan Poudyal, Yang Li, J Ping Liu, Yong Ding, Zhong Lin Wang, Formation of Fe3Pt phase in FePt-based nanocomposite magnets Journal of Physics D. ,vol. 40, pp. 712- 716 ,(2007) , 10.1088/0022-3727/40/3/003
Wei Zhang, Akihisa Inoue, Crystallization and hard magnetic properties of Fe–Co–Nd–Dy–B amorphous alloys with glass transition Journal of Applied Physics. ,vol. 87, pp. 6122- 6124 ,(2000) , 10.1063/1.372629