Ferroelectric ceramics: Application to mechanical electrical energy conversion under shock compression
Abstract
The irreversible conversion of mechanical to electrical energy in ferroelectric ceramics of the Pb(Zr(1-x)Ti(x))O3 type with a considerable proportion of zirconium was studied. Depolarization of the ceramics was realized under a shock compression between 5 and 100 kbar. The electrical energy was measured with a resistance equal to that of the generator. The maximum electrical energy obtained at about 20 kbar, was of the order of 1.8 J/cu cm with a disk of Pb(Zr(0.965)Ti(0.035)) O3 + 1% Nb2O5. Energy conversion efficiency decreases when the shock intensity exceeds 25 kbar.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- July 1975
- Bibcode:
- 1975STIN...7630666B
- Keywords:
-
- Ceramics;
- Energy Conversion;
- Ferroelectricity;
- Mechanical Shock;
- Adiabatic Conditions;
- Compression Loads;
- Depolarization;
- Energy Conversion Efficiency;
- Lead Compounds;
- Phase Transformations;
- Transducers;
- Zirconium Titanates;
- Energy Production and Conversion