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- Title
Short-Term Damage of a Transversely Isotropic Piezoelectric Material with Complex Strain-Stress State.
- Authors
Khoroshun, L.; Dorodnykh, T.
- Abstract
The microdamage of porous transversely isotropic piezoelectric materials under complex macrostress is studied. The microdamages are modeled by pores. The damage of a microvolume is defined by the generalized Huber-Mises failure criterion for a transversely isotropic medium. The ultimate strength is a random function of coordinates with exponential or Weibull distribution. The stress-strain state and effective properties of the material are determined from the stochastic equations of electroelasticity. The deformation and microdamage equations are closed by the porosity balance equations. Deformation curves are plotted for two values of macrostrain or macrostress and different values of electric intensity. The influence of electric intensity on the microdamage of piezoelectric materials is studied
- Subjects
POROUS materials; PIEZOELECTRIC materials; COORDINATES; WEIBULL distribution; STOCHASTIC analysis; EQUATIONS
- Publication
International Applied Mechanics, 2005, Vol 41, Issue 3, p291
- ISSN
1063-7095
- Publication type
Article
- DOI
10.1007/s10778-005-0087-3