This article is cited in 5 papers

Cracks in piezoelectric and electroconductive bodies

A. A. Kulikov^a, S. A. Nazarov<sup>b

a</sup> Saint-Petersburg State University
^b Institute of Problems of Mechanical Engineering, Russian Academy of Sciences

Abstract: Singularities are studied of the elastic and electric fields near a tip of a crack on the interface of two piezoelectric bodies. An analog of the Griffith formula is obtained for the increment of the potential energy of deformation due to development of a rectilinear crack. The external electrical forces result in the decrease of the energy release rate which explains an experimentally-known possibility of controlling the fracture process by some additional electric fields.

UDC: 539.375

Received: 22.09.2004

 English version: Journal of Applied and Industrial Mathematics, 2007, 1:2, 201–216

Bibliographic databases:

• 
•