Secondary Recrystallization Texture and Magnetostriction in Fe-Ga Alloy Ultra-Thin Sheet
IEEE Transactions on Magnetics(2022)
摘要
The 0.15 mm thick Fe-Ga alloy ultra-thin thin sheets with high magnetostriction were successfully produced by the conventional processing route including hot rolling and two-stage cold rolling with intermediate annealing and primary and secondary recrystallization annealing. The evolution of microstructure, texture, and inhibitor was briefly investigated. The primary recrystallization texture is characterized by strong
$\gamma $
fiber with the peak at {111}
$\langle 112\rangle $
component and weak Goss component through sheet thickness. The dispersedly distributed nano-precipitates provide a sufficient pinning effect on the primarily recrystallized grains and induce abnormal grain growth of Goss grains. Well-developed secondary recrystallized Goss grains with centimeter size and maximum magnetostriction (3/
$2\lambda \text{s}$
) of 229 ppm were achieved in Fe-Ga alloy ultra-thin sheet.
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关键词
Fe-Ga alloy,magnetostriction,secondary recrystallization,ultra-thin sheet
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