Structure and Magnetostrictive Properties of Tb0.2Pr0.8(Fe0.4Co0.6)1.9Bx Alloys

Abstract:

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Crystal structure and magnetostrictive properties of Tb0.2Pr0.8(Fe0.4Co0.6)1.9Bx alloys have been investigated by means of x-ray diffraction and a standard strain technique. The matrix of Tb0.2Pr0.8(Fe0.4Co0.6)1.9 alloy consists of (Tb,Pr)(Fe,Co)2 phase with a cubic MgCu2-type structure and some amount of (Tb,Pr)(Fe,Co)3 phase with a PuNi3-type structure. The introduction of boron effectively restrains the emergence of the iron-rich phase, which can occupy either the substitutional or interstitial site in this alloy system. The single Laves phase can be obtained for the high Pr-content Tb0.2Pr0.8(Fe0.4Co0.6)1.9Bx alloys with 0.05< x ≤0.15, which have improved magnetostrictive properties as compared to the boron free material.

Info:

Periodical:

Advanced Materials Research (Volumes 295-297)

Edited by:

Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu

Pages:

144-147

DOI:

10.4028/www.scientific.net/AMR.295-297.144

Citation:

J. J. Liu et al., "Structure and Magnetostrictive Properties of Tb0.2Pr0.8(Fe0.4Co0.6)1.9Bx Alloys", Advanced Materials Research, Vols. 295-297, pp. 144-147, 2011

Online since:

July 2011

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$35.00

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