对于泡沫纯铝，孔径对屈服强度及塑性硬化模量基本没有影响。
As for pure aluminum foam, there is neglected effect of cell size on the strength and plastic modulus.
并且给出用与切线模量相关的标准确定加工硬化型应力——应变关系曲线的破坏点的方法，提供了利用任意固结度下的应力路径求解不排水抗剪强度的计算式。
The method to ascertain the damage point of process harden type stress-strain curve was shown, and the calculate expression of shear strength used by stress path under random consolidation degree.
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