They also show that a finer grain size can be obtained by dynamic recrystallization during superplastic deformation at a high strain rate, but the total elongation to failure is limited in about 135%.
合金在高应变速率的变形中通过动态再结晶可获得更细的晶粒尺寸，其断裂时总延伸率在135%左右。
The results show that tensile strength and yield strength increase generally, while total elongation and product of strength and ductility decrease with the increase of strain rate.
结果表明，随应变率的增加，抗拉强度与屈服强度总体呈上升趋势，而断裂伸长率及强塑积单调下降。
The results show that tensile strength and yield strength increase generally, while total elongation and product of strength and ductility decrease with the increase of strain rate.
结果表明，随应变率的增加，抗拉强度与屈服强度总体呈上升趋势，而断裂伸长率及强塑积单调下降。
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