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- Title
A study on influence of poling direction on piezoelectric plate weakened by two collinear semi-permeable cracks.
- Authors
Bhargava, R.; Jangid, Kamlesh
- Abstract
A study on the influence of change in poling direction is carried out for mechanical and electric strip-yield model for a transversely isotropic piezoelectric plate cut along two equal collinear semi-permeable straight hairline cracks. Two cases are considered, when the developed saturation zone is bigger or smaller than mechanical yield zone. The Stroh formalism and complex variable technique are employed to obtain the solution. The effect of change in poling direction is studied on crack opening displacement, crack opening potential drop and energy release rate. Also, a study is carried out on the suitability of crack closure for different piezoelectric ceramics. The obtained results are presented graphically and discussed.
- Subjects
DIELECTRIC polarization; STRUCTURAL plates; SURFACE cracks; PIEZOELECTRIC ceramics; GRAPHICAL modeling (Statistics); COMPLEX variables; FORMALISM (Architecture)
- Publication
Acta Mechanica, 2014, Vol 225, Issue 1, p109
- ISSN
0001-5970
- Publication type
Article
- DOI
10.1007/s00707-013-0946-7