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Fe82Ga9Al9 alloy rod was prepared by the directional solidification (DS) method. The effects of uniaxial compressive stress on magnetostriction of the alloy and the temperature dependence of magnetostriction were investigated. The results show that the magnetostriction increases from 135 x 10(-6) at 2.3 MPa to 221 x 10(-6) at 53 MPa and then remains at this value between 53 MPa and 90 MPa. This enhancement results from domain rotation under the compressive stress. The temperature dependencedoi:10.1063/1.3679152 fatcat:4hh2ycjxjjgrpfwpnuzawr3e34