Dynamic Microindentation of RDX (Cyclo-Trimethylene Trinitramine): Effect of Rate on Plasticity and Fracture

摘要

Microindentation measurements have been made on RDX crystals to determine the effect of load and time of loading on their mechanical response. A spherical indenter tip was used. The results are compared to those obtained earlier using pyramidal Vickers indenters. At the shortest loading periods a higher than expected plastic response was found which may indicate that local heating resulted from the indentation process.