Micromechanical Modeling And Simulation Of
Piezoceramic Materials
Author(s)
B. Delibas, A. Arockia Rajan & W. Seemann
Abstract
Piezoceramics are nowadays very well known smart materials, which are
commonly used in many engineering applications. Although they are so
excellent in usage, they are limited in high performance applications. Loading of
piezoceramic materials above a certain level leads to a nonlinear behavior. One
reason for this behavior is the ferroelectric and ferroelastic domain switching. In
this work, certain piezoelectric materials having tetragonal perovskite type
microstructure characteristics are simulated using a micromechanical approach in
which all calculations, both the linear constitutive model and the nonlinear
switching model are done in each and every grain of the material. Uni-axial
loading is applied in the simulations. Macr
Keywords
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