The dynamic effects due to vibration should be taken into account by the designer if fatigue failure is to be avoided.

为了避免弹簧的疲劳破坏，设计者应对弹簧由振动所引起的动力影响加以考虑。

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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。

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Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure.

交变冰力引起的结构交变应力必将导致结构的局部疲劳损伤。

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