Experimental Study of Dynamic Fracture in Structurally Heterogeneous Materials on the Example of Rocks
Alexei N. Kochanov
Abstract:The development of micro- and macrocracks in rocks under dynamic influence is considered. The important role of structural features of rocks on this process is noted. Based on ultrasound studies, it is shown that rock samples, as a rule, are heterogeneous and differ in the distribution of longitudinal wave velocity values in certain local regions. The initial heterogeneity determines the spatial development of the microcrack development area under external influence. Using optical microscopy and computer X-ray… Show more
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