而交变应力集中是疲劳破坏的一个关键因素。
The concentration of alternate stress is a key factor of fatigue destruction.
混凝土腐蚀疲劳破坏是交变应力与腐蚀介质耦合作用的结果，对其研究目前国内外还仅出于理论探索阶段。
The Corrosive fatigue damage of concrete is the result of the compound action of alternating stress and corrosion medium, and the study about this has just been.
分析了非均匀接触下燕尾形榫头连接的应力状态，并借助于模拟试验，提出了非均匀接触导致疲劳破坏的基本痕迹特征。
The basic fatigue failure characteristics have been analyzed according to the stress analysis and simulation test under inhomogeneous swallowtail between compressor disk and blade.
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