A Multiscale Finite Element Simulation Of
Piezoelectric Materials Using
Realistic Crystal Morphology
Author(s)
Y. Uetsuji, H. Kuramae, K. Tsuchiya & M. Kamlah
Abstract
This paper presents the full components of macroscopic homogenized material
properties and the microscopic localized response obtained through a multiscale
finite element simulation using realistic crystal morphology. Crystal morphology
analysis was performed to reveal microstructure and texture of a polycrystalline
piezoelectric material. The insulative specimen of piezoelectric material was
coated with a conductive layer of amorphous osmium to remove an electric
charge, and crystal orientations were measured by means of electron backscatter
diffraction. Then the obtained crystal orientations were applied to a multiscale
finite element simulation based on homogenization theory.
Keywords: piezoelectric material, EBSD, crystal morphology, multiscale finite
element simulation, homogenization theory.
1 Introduction
Piezoelectric materials have been used in actuators or sensors as a component of
various electronic and mechanical devices. Generally these materials consist of
many crystal grains and domains at a microscopic scale. Since each domain
shows strongly anisotropic mechanical and electrical behaviours according to
Keywords
piezoelectric material, EBSD, crystal morphology, multiscale finite
element simulation, homogenization theory
Related Book
Other papers in this volume
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