因此对于结构在高应变率下所产生破口范围的 判断,应采用有效塑性应变 ( effective plastic strain)作为判断 准则。对于不同材料,材料的有效塑性应变是不同的。
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粗晶lc 4合金在较低温度和较高应变速率条件下，因能产生有效的再结晶细化，而呈现出一定的超塑性。
The coarse crystalline LC4 alloy exhibit some superplasticity under lower temperature and higher strain rate, because it can create effective recrystallization refinement.
滑移线理论是解刚塑性平面应变间题的一种有效方法，而圆扇形场则是常使用的。
The theory of slip-line field is an effective method for problems of plane strain of perfect plastic solids, and the circle-fan field is used frequently.
对于形变理论，假定塑性应变张量与总应变偏量张量成比例，其比例因子是总有效应变的标量函数。
For plastic deformation theory, it is assumed that the plastic strain tensor is proportional to the total strain deviation tensor and the ratio is a sealer 'function of the effective total strain.
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