应力重复
Bridge, crane beam, sleeper, ocean structure, pressure institution and nuclear reactor safety shell are often endured stress from many circle times and biggish repetition loading, and fatigue collapse is very easy accrued because of long and repeating loading.
桥梁、吊车梁、轨枕、海洋结构、压力机构和核反应堆安全壳等经常承受循环次数较多而重复荷载较大的结构,在长期的反复荷载的作用下极容易发生疲劳破坏。
Laser peening forming is a novel technology, which residual stress induced by high-power repetition laser plate.
分析了弹性预加载下激光喷丸成形的机制, 并通过试验研究了板料在弹性预加载下激光喷丸成形的特性.
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