.... bending crack-edge stress field analysis dielectric polarisation permittivity piezoceramics intensity factors piezoelectric material boundary conditions finite element method M-integral electric permittivity Piezoelectric ceramics are widely used as sensors and actuators in smart...

... thermal loading beyond an estimated load. In view of such a background, this paper deals with a control problem of a thermal stress in a multilayer composite circular disk consisting of a structural layer and piezoceramic layers with concentrically arranged electrodes. When a heating temperature...

... stability. interface crack elastic dielectric piezoelectric permittivity the crack tip ERR oscillatory singularity piezoceramics interface phenomena cracks elasticity electromechanical effects permittivity oils 30 10 2006 04 02 2007 11 01 2008 2008 American...

... to inelastic processes increases from negative to positive electric fields by up to 100%. For the corresponding nonlinear electric energy change during crack growth, only a rough estimate is performed. 15 04 2004 19 03 2007 lead compounds piezoceramics surface cracks piezoelectricity...

... pairs of auxiliary (torsion/bending) functions in two variables. These pairs of functions satisfy the so-called coupled Neumann problem (CNP) in the cross-sectional domain. In the limit “elastic” case the CNP transforms to the Neumann problem, for a beam made of a poled piezoceramics the CNP...

... , b 2 , b 3 , b 4 ) 28 04 2006 27 09 2006 lead compounds barium compounds piezoceramics cracks permittivity electromechanical effects Interface crack problems in dissimilar anisotropic piezoelectric materials have received considerable attention...

... will still remain positive in spite of the negative D z A . 30 05 2006 13 07 2006 piezoceramics permittivity penny-shaped cracks Hankel transforms integral equations tensile strength Piezoelectric ceramics are brittle in nature and they often possess sharp cracks, which could...

... and Environmental Engineering, University of California—Santa Barbara, Santa Barbara, CA 93106-5070, and will be accepted until four months after final publication of the paper itself in the ASME JOURNAL OF APPLIED MECHANICS . 03 September 2003 17 March 2004 27 01 2005 piezoceramics...

...-Chandar. 04 June 2002 18 September 2003 07 09 2004 piezoceramics cracks fracture In the last section, we considered a flaw in the piezoelectric media as a cleavage crack of zero gap width. In fracture mechanics experiments, however, a flaw in a specimen is usually cut...

... in the ASME JOURNAL OF APPLIED MECHANICS . 17 October 2002 30 January 2004 07 09 2004 piezoceramics cracks Piezoelectric ceramics have been widely used in actuators, sensors and other components. In these devices, the most cost-efficient geometry is that of the cofired...

.... 12, 2001. Associate Editor: K. Ravi-Chandar. 13 Dec 2000 12 Dec 2001 07 09 2004 penny-shaped cracks piezoceramics lead compounds Hankel transforms Laplace transforms Fredholm integral equations impact (mechanical) crack-edge stress field analysis The dynamic...

...X.-F. Li; K. Y. Lee 05 01 2004 piezoceramics crack-edge stress field analysis perturbation theory In studying crack problems in a piezoelectric material, many crack models have been proposed and some fracture criteria have been established. The author of 1 presented a new...

...S. Li crack-edge stress field analysis piezoceramics electrostatics During this limiting process, the four corners of the slit will merge and become the two crack tips at X = ± a , 0 . One of the main technical difficulties of fracture mechanics of piezoelectric...

... is obtained numerically for a specific piezoceramic of technological interest, namely PZT-4. For the special problem of a uniformly rotating solid cylinder with traction-free surface and zero applied electric charge, explicit closed-form solutions are obtained. It is shown that for certain piezoelectric...

... Barbara, Santa Barbara, CA 93106-5070, and will be accepted until four months after final publication of the paper itself in the ASME JOURNAL OF APPLIED MECHANICS . 28 Mar 2002 26 Aug 2002 27 03 2003 piezoceramics crack-edge stress field analysis fracture mechanics fracture...

... until four months after final publication of the paper itself in the ASME JOURNAL OF APPLIED MECHANICS . 27 April 2001 05 December 2001 20 06 2002 boundary-value problems permittivity piezoceramics tensors inclusions stress analysis lead compounds The mechanical...

...X. Zhou; A. Chattopadhyay, Mem. ASME A new theory is developed to model the hysteresis relation between polarization and electric field of piezoceramics. An explicit formulation governing the hysteresis is obtained by using saturation polarization, remnant polarization, and coercive electric field...

... piezoceramics elasticity 04 August 1997 26 November 1999 Contributed by the Applied Mechanics Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF APPLIED MECHANICS . Manuscript received by the ASME Applied Mechanics Division, August 4, 1997...

... piezoelectric materials piezoceramics electric strength indentation mechanical strength lead compounds barium compounds calcium compounds Weibull distribution Piezoelectric materials have been investigated extensively from the atomic and continuum point of view by many investigators. The early...