为了揭示应力状态对U-5.7Nb合金中的绝热剪切带形成和发展之间的联系，对直圆柱形、阶梯形、哑铃形和圆台形等形状的U-5．7Nb合金进行......

　　Adiabatic shear localization(ASL)is one of the failure mechanisms those are commonly observed within ductile materia......