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Poled ferroelectrics are key components of autonomous explosive-driven pulsed power systems. Shock depolarization of ferroelectrics is a basic physical effect providing prime electrical power to autonomous systems. In this paper we report results of experimental studies of shock-induced and thermal-induced depolarization, and X-Ray diffraction of lead zirconate titanate ferroelectrics of two different...
Systematic studies of the depolarization of Pb(Zr0.52 Ti0.48)O3 (PZT 52/48) poled piezoelectric ceramic samples were performed using thermal heating and explosive longitudinal-shock compression. The electric charge density that is released due to thermal heating at a rate of 0.9 K/min was consistent for all sample sizes (Q = 27.8 μC/cm2). The charge density that is released due to shock compression...
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