The mechanism of the shearingcrack of the composite was discussed.
并对复合材料剪切断裂机制进行了初步探讨。
2
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。
3
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.