Magnetostriction Increase of Tb0.3 Dy0.7 Fe1.95 Alloy Prepared by Solidification in High Magnetic Fields
WANG Kai, LIU Tie, GAO Peng-Fei, WANG Qiang** , LIU Yin, HE Ji-Cheng
Key Laboratory of Electromagnetic Processing of Materials of Ministry of Education, Northeastern University, Shenyang 110819
Abstract ：Tb0.3 Dy0.7 Fe1.95 alloys are solidified under various high magnetic field conditions. The influence of a high magnetic field on the crystal orientation, morphology and magnetostriction of the alloys are studied. The results show that with the increase of magnetic flux density, the crystal orientation of the (Tb,Dy)Fe2 phase changed from <113> to <111> direction; the grains in the alloys tended to align along the magnetic field direction; and the magnetostriction of Tb0.3 Dy0.7 Fe1.95 alloys is remarkably improved. The change in magnetostriction of Tb0.3 Dy0.7 Fe1.95 alloys is linked to the amount and the crystal orientation behavior of the (Tb,Dy)Fe2 phase.
出版日期: 2015-02-26
:
75.80.+q
(Magnetomechanical effects, magnetostriction)
75.50.Bb
(Fe and its alloys)
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2015, Vol. 32 
