等通道转角挤压下变形体长度对应力的影响及开裂判据分析

许晓静;张雪峰;刘桂玲;程晓农

Work-piece Length of the Effect on Stress and Analysis of Cracking-criterion Under Equal Channel Angular Pressing

XU Xiaojing;ZHANG Xuefeng;LIU Guiling;CHENG Xiaonong

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