Influences of poling direction and boundary conditions on cracks in 2D piezoelectric media

Author

Fan, Cui-ying ; Zhao, Ming-hao

Author_Institution

Sch. of Mech. Eng., Zhengzhou Univ., Zhengzhou, China

fYear

2010

fDate

10-13 Dec. 2010

Firstpage

479

Lastpage

484

Abstract

A finite crack is studied in two-dimensional (2D) infinite piezoelectric medium with arbitrary electric poling direction in the present paper. A self-consistent method is employed to obtain the real crack opening and the electric field in the crack cavity under combined mechanical-electric loadings. The influences of poling direction and electric boundary conditions on fracture behaviors are investigated, where the electric boundary conditions include permeable crack and impermeable crack. Numerical results of the influence of the poling directions, the boundary conditions and electric field on the local J-integral are presented.

Keywords

SCF calculations; cracks; fracture; piezoelectric materials; arbitrary electric poling direction; crack cavity; electric boundary conditions; finite crack; fracture properties; impermeable crack; local J-integral; mechanical-electric loadings; permeable crack; self-consistent method; two-dimensional infinite piezoelectric medium; Boundary conditions; Cavity resonators; Electric fields; Equations; Loading; Media; Stress; J-integral; Piezoelectric medium; boundary condition; crack; poling directions;

fLanguage

English

Publisher

ieee

Conference_Titel

Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA), 2010 Symposium on

Conference_Location

Xiamen

Print_ISBN

978-1-4244-9822-2

Electronic_ISBN

978-1-4244-9821-5

Type

conf

DOI

10.1109/SPAWDA.2010.5744360

Filename

5744360