在拉应力和应拉力交替的作用下,强度相对较低的螺栓会先产生裂纹,进而发生疲劳断裂。
Under the action of tensile stress and tensile stress, the bolt with relatively low strength will crack first, and then the fatigue fracture will occur.
如果用拉力和压力重复地交替加载金属,金属强度就会减少。
P96 the strength of metals is reduced if they are repeatedly loaded alternately in tension and in compression.
如果用拉力和压力重复地交替加载金属,金属强度就会减少。
P96 the strength of metals is reduced if they are repeatedly loaded alternately in tension and in compression.
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