Abstract
In our investigation of ejecta, or metal particulate emitted from a surface subjected to shock‐loaded conditions, we have developed a shock experiment suitable for testing new ideas in piezoelectric mass and impact detectors. High‐explosive (HE) shock loading of tin targets subjected to various machined and compressed finishes results in significant trends in ejecta characteristics of interest such as areal density and velocity. Our enhanced piezoelectric diagnostic, “piezo‐pins” modified for shock mitigation, have proven levels of robustness and reliability suitable for effective operation in these ejecta milieux. These field tests address questions about ejecta production from surfaces of interest; experimental results are discussed and compared with those from complementary diagnostics such as x‐ray and optical attenuation visualization techniques.
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