[KSCI] Korea Science Citation Index Service

Viscoelastic Analysis of an Interface Edge Crack in a Bonded Polymeric Film

Lee, Sang-Soon (Korea University of Technology and Education, School of Mechatronics Engineering)

Publication Information

Journal of the Semiconductor & Display Technology / v.9, no.3, 2010 , pp. 35-39 More about this Journal

Abstract

Interfacial stress singularity induced in an analysis model consisting of the polymeric thin film and the elastic substrate has been investigated using the boundary element method. The interfacial singular stresses between the viscoelastic thin film and the elastic substrate subjected to a uniform moisture ingression are investigated for the case of a small interfacial edge crack. It is assumed that moisture effects are assumed to be analogous to thermal effects. Then, the overall stress intensity factor for the case of a small interfacial edge crack is computed. The numerical procedure does not permit calculation of the limiting case for which the edge crack length vanishes.

Keywords

Interfacial stress singularity; Polymeric film; Elastic substrate; Edge crack; Boundary element method;

Citations & Related Records

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