A special surface replica technique for microcrack observation of rocks is introduced.
介绍了一种用于岩石材料微裂纹观察的复型技术。
The local cleavage fracture stress is mainly determined by the length of the critical microcrack.
细观解理断裂应力主要由临界裂纹的长度决定。
The results show that the cylinderization time depends sensitively on the initial morphology of the microcrack tip.
结果表明：裂尖的几何形状对微裂纹圆柱化时间起决定性作用；
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