Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22156
Title: High magnetostriction at low fields of epoxy/Tb1-xPrx(Fe0.4Co0.6)1.9 composites
Authors: Liu, JJ
Xiong, DK
Ren, WJ
Zhang, ZD
Or, SW 
Keywords: Magnetic properties
Magnetostriction
Magnetostrictive composite material
Melt-spinning
MgCu2-type structure
Issue Date: 2007
Publisher: Elsevier
Source: Journal of alloys and compounds, 2007, v. 427, no. 1-2, p. 271-274 How to cite?
Journal: Journal of alloys and compounds 
Abstract: High Pr-content Tb1-xPrx(Fe0.4Co0.6)1.9 magnetostrictive alloys (0.7 ≤ x ≤ 1.0) with a single cubic Laves phase have been synthesized by melt-spinning and subsequent annealing processes. The lattice parameter and the magnetization of the Tb1-xPrx(Fe0.4Co0.6)1.9 Laves phase increase while the Curie temperature, the magnetocrystalline anisotropy, and the spontaneous magnetostriction coefficient λ1 1 1 decrease with increasing Pr-content. The characteristic of the magnetostriction λa = λ{norm of matrix} - λ⊥ of the epoxy/Tb1-xPrx(Fe0.4Co0.6)1.9 composites can be well understood by the spontaneous magnetostriction λ1 1 1 and the magnetocrystalline anisotropy of the Tb1-xPrx(Fe0.4Co0.6)1.9 alloys. The epoxy/Pr(Fe0.4Co0.6)1.9 composite free of high-cost Tb has a high magnetostriction of about 500 ppm at 6 kOe, suggesting that it would be a promising magnetostrictive composite material for low field application.
URI: http://hdl.handle.net/10397/22156
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2006.03.068
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