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Generate compress‐shear loading on Polymer Bonded Explosive (PBX) specimens. The research was carried out to determine the pressure and macroscopic temperature variation occurring in the specimen by using a pressure sensor and a thermocouple. High‐speed photography was used to reveal the macroscopic ignition phenomena. X‐ray diffraction (XRD) was used to study the material composition of raw and recovered specimens. The results of the experiments described here clearly show that specimens underwent crush, melt and ignition from impact to reaction. At the same time, the relative content of aluminium decreased. Compared to the direct impact results from split Hopkinson compression‐shear bar tests, the drop‐weight loading pulse is longer, so PBX specimens ignite more easily.
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Chen et al. (2018) studied this question.
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