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强度校核是什么意思

更新时间: 2020-09-14 00:00:00     

定义:强度校核是校核金属材料在外力作用下抵抗永久变形和断裂的能力,此为永久变形、断裂。强度是衡量零件本身承载能力,即抵抗失效能力的重要指标。强度是机械零部件首先应满足的基本要求。当材料受外力作用时,其内部产生应力,外力增加,应力相应增大,直至材料内部质点间结合力不足以抵抗所作用的外力时,材料即发生破坏。

关键词: 强度 什么 意思

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