Paper Title:
Case Criterion of Crack Onset in Orthotropic Bi-Material Notches
  Abstract

A bi-material notch composed of two orthotropic parts is considered. The stresses and displacements are expressed using the Stroh-Eshelby-Lekhnitskii formalism for plane elasticity. The potential direction of crack initiation is determined from the maximum mean value of the tangential stress or the local minimum of the mean value of the generalized strain energy density factor in both materials [1, 2]. The matched asymptotic procedure is introduced to derive the change of potential energy for the debonding crack and the crack initiated in the determined direction [3].

  Info
Periodical
Edited by
Pavel Šandera
Pages
157-160
DOI
10.4028/www.scientific.net/KEM.465.157
Citation
T. Profant, J. Klusák, M. Kotoul, "Case Criterion of Crack Onset in Orthotropic Bi-Material Notches", Key Engineering Materials, Vol. 465, pp. 157-160, 2011
Online since
January 2011
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