Explosive Shock Depoling of PZT Ferroelectric Ceramics for the Pulse Charging of Capacitors to High Voltages.
Abstract
Lead zirconate titanate (PZT) 56/44 ferroelectric ceramic materials have been shock depoled in the normal mode with capacitive loads. The shock waves were obtained via explosive plane wave techniques and shock stress attenuators. A series of explosive shock-stress attenuation experiments using manganin gauges was performed to determine the stress amplitudes obtainable with the various attenuators. The PZT material was shock loaded in the stress range from 4.6 to 13.1 GPa. Pulse powers of hundreds of kilowatts were produced in a few microseconds. The load capacitances ranged from 0.36 to 1.7 nF. Electrical breakdown or conduction in either the PZT unit or the external circuit occurred in all the experiments. A maximum load voltage of 95 kV was produced at 7.0 GPa. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1980
- Accession Number
- ADA107700
Entities
People
- T. L. Berger
- W. H. Holt
- W. Mock Jr.
Organizations
- Naval Surface Warfare Center Dahlgren Division