Magnetics, Magetostriction, and Spin Reorientation of Tb0.3Dy0.6Pr0.1(Fe1-xAlx)1.95 Alloys with Substitution of Fe by Al

DOI

10.2991/mic-15.2015.41How to use a DOI?

Keywords

Cubic laves phase; Magnetostriction; Spin reorientation; EMD

Abstract

The effects of Al substitution for Fe on the structure, magnetism, magnetostriction, anisotropy and spin reorientation of a series of Tb0.3Dy0.6Pr0.1(Fe1-xAlx)1.95 alloys (x=0. 05 0.1 0.15 0.2 0.25 0.3) have been investigated. The alloys of Tb0.3Dy0.6Pr0.1(Fe1-xAlx)1.95 substantially retain MgCu2-type C-15 cubic Laves phase structure when x<0.2. The mixed phases appear with x=0.2, and cubic Laves phase decreases with increasing x. The measurements of magnetics indicate that anisotropy decreases and EMD deviates from the major axis with temperature and composite. The magnetization decrease gradually with increasing temperature, and increases slightly with increasing of Al content x and then decreases rapidly when x>0.15. Coercivcity decreases rapidly with increasing of temperature, and appears the maximum value at Al content x=0.20. The magnetostriction of the Tb0.3Dy0.6Pr0.1(Fe1-xAlx)1.95 alloys decreases drastically with increasing x and the giant magnetostrictive effect disappears for x>0.15. Fortunately, a small amount of Al substitution is beneficial to a decrease in the anisotropy. The spin reorientation temperature decreases with increasing x. The magnetic properties are determined by both Pr and Al substitution effects.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - X.P. Zheng
AU  - P.F. Zhang
AU  - Kui Cheng
AU  - X. Zhang
AU  - P.Y. Wang
AU  - M.J. Yu
PY  - 2015/08
DA  - 2015/08
TI  - Magnetics, Magetostriction, and Spin Reorientation of Tb0.3Dy0.6Pr0.1(Fe1-xAlx)1.95 Alloys with Substitution of Fe by Al
BT  - Proceedings of the 2nd International Conference on Modelling, Identification and Control
PB  - Atlantis Press
SP  - 181
EP  - 186
SN  - 1951-6851
UR  - https://doi.org/10.2991/mic-15.2015.41
DO  - 10.2991/mic-15.2015.41
ID  - Zheng2015/08
ER  -