TY - JOUR
T1 - Transient thermal elastic fracture of a piezoelectric cylinder specimen
AU - Chang, D. M.
AU - Wang, B. L.
PY - 2013
Y1 - 2013
N2 - A finite piezoelectric cylinder with an embedded penny-shaped crack is investigated for a thermal shock load on the outer surface of the cylinder. The theory of linear electro-elasticity is applied to solve the transient temperature field and the associated thermal stresses and electrical displacements without crack. These thermal stresses and electrical displacements are added to the surfaces of the crack to form an electromechanical coupling and mixed mode boundary-value problem. The electrically permeable crack face boundary condition assumption is used, and the thermal stress intensity factor and electrical displacement intensity factor at the crack border are evaluated. The thermal shock resistance of the piezoelectric cylinder is evaluated for the analysis of piezoelectric material failure in practical engineering applications.
AB - A finite piezoelectric cylinder with an embedded penny-shaped crack is investigated for a thermal shock load on the outer surface of the cylinder. The theory of linear electro-elasticity is applied to solve the transient temperature field and the associated thermal stresses and electrical displacements without crack. These thermal stresses and electrical displacements are added to the surfaces of the crack to form an electromechanical coupling and mixed mode boundary-value problem. The electrically permeable crack face boundary condition assumption is used, and the thermal stress intensity factor and electrical displacement intensity factor at the crack border are evaluated. The thermal shock resistance of the piezoelectric cylinder is evaluated for the analysis of piezoelectric material failure in practical engineering applications.
UR - http://handle.uws.edu.au:8081/1959.7/543850
U2 - 10.1007/s00419-012-0713-6
DO - 10.1007/s00419-012-0713-6
M3 - Article
SN - 0939-1533
VL - 83
SP - 709
EP - 721
JO - Archive of Applied Mechanics
JF - Archive of Applied Mechanics
IS - 5
ER -