They are mainly concerned with the tensile and compressive behavior, energy absorption, dynamic impact, failure criterion and constitutive relation, creep, fatigue and fracture of these materials.
这些工作主要讨论了金属泡沫材料的拉伸、压缩、能量吸收、动态冲击、失效准则、本构关系、蠕变、疲劳和断裂等力学性能。
The failure of soft rock chamber is a dynamic problem. The new concept "disturbance creep" is proposed in the paper.
软岩洞室群的破坏是一个动态问题，因此本文提出了扰动蠕变的概念。
The experimental results showed that the dynamic strain has feature of cyclic creep. Cyclic loading affected the creep and creep speed.
结果显示动态应变呈循环蠕变状态，蠕变的大小、速度与循环应力幅值有关。
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