Affiliation:
1. Hebei University of Technology
2. Tianjin University of Science and Technology
Abstract
The Tb0.3Dy0.7Fe2 <110> oriented alloy was grown by zone melting directional solidification technique. The strain-stress loops of the alloy in different magnetic fields have been measured, and the effect of stress and magnetic field on strain difference Dε has been confirmed. It is found that the strain difference Dε quickly increases with increasing the stress when the stress is less than 10 MPa and decreases in the range of 10-40 MPa when the magnetic field is in the range of 30-40 kA/m. The result indicates that the magnetic field and stress have a marked effect on the strain hysteresis of the Tb0.3Dy0.7Fe2 <110> oriented alloy and the hysteresis property of stress-strain relation should be considered during the design of magnetostrictive sensors.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
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