| Phase Evolution and Magnetic Studies of La and Refractory Metals Co-substituted α-Fe/R_2Fe_(14)B-type Nanocomposites |
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| 作者单位： | W.C.Chang(Department of Physics, Chung Cheng University, Ming-Hsiung, Chia-Yi, 621, Taiwan-China);Q.Chen(Rhodia Inc., Rare Earths and Gallium, CN 7500, Cranbury, New Jersey 08512, U.S.A.)
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| 基金项目： | National Science Council, Taiwan! under grant !No. NSC-87-2112-M194-005. |
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| 摘 要： | 1. IntroductionIn last decade, two types of NdFeB nanocomposite powders, namely, or-Fe/Nd,Fe,.B'] andFe,B/Nd,Fe,.B'] t have drawn much attention of theresearcher for the bonded magnet application, because of their high remanence (B.) and high maximum energy product ((BH)...). The deficiency ofthese types of nanocomposites is their lower coercivity (tHe <8 hoe) arisen from the existence of certain amount of magnetically soft or-Fe or Fe3B phases,which might limit their application in h…
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