The mechanism of the shearing crack of the composite was discussed.
并对复合材料剪切断裂机制进行了初步探讨。
Forging defects of mould cavity non-saturate, crack, pucker and shearing edge avulsion, etc. on the astrictive clamps and operating scissors are studied by means of appearance and metallography.
采用外观和金相方法，对止血钳和手术剪锻坯出现的型腔填充不满、裂纹、重皮和切边撕裂等缺陷进行分析。
In this paper, shearing mechanism in the joint core region is analysed from crack to limit state, on the basis of shear test of wrapped steel joint under the monotonic load.
本文根据外包钢节点在单调荷载下的抗剪试验，分析了节点核心区在开裂状态之前及开裂状态到极限状态的抗剪机理，求出了各主要抗剪因素的剪力分配。
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