科研之友
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摘要
Bulk textured Fe81Ga19 alloy with large magnetostiction of up to 830 ppm is fabricated using the technique of rapid directional solidification by triggering the undercooled Fe81Ga19 melts. The saturation magnetostriction is about two times as large as the maximum of the earlier report on Fe-Ga bulk samples. The large magnetostriction is ascribed to the high concentration of Ga-Ga atom pairs created by rapid solidification and their preferential orientation in the [100] textured rod.
- 出版日期2008-4-7
- 单位上海交通大学
