Fracture Mechanics of Piezoelectric Materials

Abstract

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Application of Hypersingular Integral Equation Method to a Three-Dimensional Crack in Piezoelectric Materials

“…Using solution (14) and constitutive Eq. (3), the corresponding stress and electric displacements are expressed as…”

“…When cracks are present, they may grow under service load and affect the performance of structures. Due to the disadvantage of brittleness and low fracture toughness of piezoelectric materials, a considerable number of research works have been carried out to investigate the fracture behavior (1) - (14) . Because of mathematical difficulties to treat the coupled electromechanical fields in piezoelectricity, the majority of the literature concerning crack problems is based on two-dimensional assumptions.…”

Fracture analysis of cracked thermopiezoelectric materials by BEM

“…Liu and Hui [10] presented a boundary integral equation for analyzing thin piezoelectric films and coatings. The following developments are based on Qin [8,11], Qin and Lu [9], and Qin and Mai [12].…”

Numerical Simulation of Effective Properties of 3D Piezoelectric Composites

“…Being the most widely used "smart" material, it has drawn an increasing attention in the past several decades and much effort has been devoted to the research of the fabrications and applications of piezoelectric materials [1,2]. These materials have been widely applied in the industry for fabricating devices including sensors, transducers, and actuators in some of the most promising areas such as aerospace industry and biotech.…”