添加Nb改善了Fe81Ga19合金的塑性, 采用热轧和冷轧相结合的轧制工艺制备出厚度 为0.6 mm的(Fe81Ga19)+ 1%Nb(原子分数)合金薄板. 研究了(Fe81Ga19)+1%Nb合金轧态和退 火态薄板的织构及磁致伸缩效应. 结果表明: 合金的磁致伸缩与样品的织构密切相关, 再结 晶织构取决于热处理工艺. 轧态织构以{111}面织构和近似的{001}<110>旋转立方织构为主, 样品轧向的磁致伸缩系数λ∥=26×10-6. 在1250和1300 ℃保温2 h后水淬样品的织构分别呈现为近似的{011}<100>Gauss织构和单一{001}<100>立方织构, 其磁致伸缩 (3/2)λRD分别达到106×106和134×10-6
The addition of Nb was used to improve ductility during rolling process. The (Fe81Ga19)+1at.%Nb sheet with thickness of 0.6 mm was prepared by conventional rolling, including hot rolling and cold rolling. Results that demonstrate the rolled texture, recrystallization texture and magnetostriction of (Fe81Ga19)+1at.%Nb sheets are presented in this work. The as-rolled sheet had {111}
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