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1超磁致伸缩合金TbDyFe组织与性能研究现状显示文摘近年来,超磁致伸缩合金TbDyFe在能量转换,智能传感等方面应用广泛。本文简要地介绍了几种制备超磁致伸缩TbDyFe合金方法,并分析了各种制备方法对TbDyFe合金的组织和性能的影响。本文还介绍了利用热处理的方法来改善合金组织、提高磁致伸缩性能。唐鸿洋 张洪平 张羊换 张胤 2013金属功能材料2013,20,2:7
2Structure and magnetostriction of Tb_(0.4)Nd_(0.6)(Fe_(0.8)Co_(0.2))_(1.90) alloy prepared by solid-state synthesis显示文摘Mechanical alloying (MA) and subsequent solid sintering process was used to prepare the Nd-containing magnetostrictive Tb0.4Nd0.6(Fe0.8Co0.2)1.90 alloy. The structure, thermal stability and phase transformation were investigated as functions of composition, milling process and annealing temperature. An amorphous phase was formed by high-energy ball milling for 5 h with the ball-to-powder weight ratio of 20:1, which crystallized into MgCu2-type and PuNi3-type crystalline structure with different annealing temperatures. The magnetoelastic properties were investigated by means of a standard strain technique. The high Nd-content (Tb,Nd)(Fe,Co)2 Laves phase for the composition Tb0.4Nd0.6(Fe0.8Co0.2)1.90 was synthesized by MA process plus annealing at 500 ℃ for 30 min.Liu Jinjun Wang Rong Yin Hongyun Liu Xincai Si Pingzhan Du Juan 2012Rare Metals2012,31,6:2
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