A Micro-Electro-Mechanical Model of Ferroelectric Materials with Thermal and Rate Effects

摘要

A micro-electro-mechanical model of the behavior of piezoelectric ceramics including thermal, and rate effects is presented and compared to experimental data. Results include analytical and numerical investigations of the behavior of piezoelectric ceramics. The model is based on physical mechanisms and includes elastic, dielectric, and piezoelectric anisotropy. Moreover, the model is based on an internal energy approach so that work-energy relations may be directly applied. Results from the model give insight into material behavior.