实验结果表明：泡沫铝夹层板的动态应力应变曲线也具有泡沫材料的应力应变曲线的“三阶段”特征。
The results indicate that the dynamic stress-strain curves of sandwich beams with aluminum foam core also show the "three-stages" characteristics in general foam materials.
研究结果表明：特别是在较高平均应变率下，应变率历史对试件材料的应力应变曲线有明显的影响，在材料动态本构关系研究中应当考虑应变率历史的影响。
The results show that the stress-strain curves are significantly affected by the strain rate history, and this effect must be accounted for in the study of material constitutive relations.
结果证明：对于J55钢，在这一温度范围内的动态拉伸应力-应变曲线，是典型的流变金属的形变-回复曲线。
From the results of the experiments, a conclusion can be acquired. In terms of J55, its dynamic tensile strain-stress curve is a typical deformation - recovery curve of the rheological metal.
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