Recent modifications of a powder gun facility at Caltech have enabled pressure-shear plate impact (PSPI) experiments in a regime of pressures and strain rates that were previously inaccessible. A novel heterodyne diffracted beam photonic Doppler velocimeter (DPDV) has also been developed for simultaneous measurement of the normal and transverse particle velocity histories using the ±first order diffracted beams produced by a 400 lines/mm diffraction grating deposited onto the polished rear surface of the impacted target plate. We present and interpret the results of PSPI experiments conducted on 5 μm thick soda-lime glass samples subjected to normal stresses beyond 20 GPa and shear strain rates approaching 108 s−1. Transverse particle velocity measurements are used to infer the shearing resistance of soda-lime glass under these extreme conditions.
CITATION STYLE
Kettenbeil, C., Mello, M., Jiao, T., Clifton, R. J., & Ravichandran, G. (2019). Pressure-shear plate impact experiments on soda-lime glass at pressures beyond 20 GPa. In Conference Proceedings of the Society for Experimental Mechanics Series (pp. 163–165). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-319-95089-1_30
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