The Use of Ferroelectric Ceramics to Charge Small Capacitor Banks

Report No. ARL-TR-8140
Authors: Peter Bartkowski; Paul Berning
Date/Pages: September 2017; 32 pages
Abstract: Shock-induced depolarization of ferroelectric generators (FEGs) was used to charge a small capacitor bank. Lateral and longitudinal orientations of the FEG were investigated. The shock was provided by a sheet of explosives sandwiched with steel plates. Two different mounting concepts were explored. The first mounted the FEG to the edge of the sandwich using a machined coupler, and the second mounted the FEG to the face of the sandwich. The peak charge transferred from the PZT 95/5 material was measured to be 26.8 μC/cm2.
Distribution: Approved for public release
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Last Update / Reviewed: September 1, 2017