A variational approach to the fracture of brittle thin films subject to out-of-plane loading

Document Type

Article

Publication Date

11-1-2013

Abstract

We address the problem of fracture in homogenous linear elastic thin films using a variational model. We restrict our attention to quasi-static problems assuming that kinetic effects are minimal. We focus on out-of-plane displacement of the film and investigate the effect of bending on fracture. Our analysis is based on a two-dimensional model where the thickness of the film does not need to be resolved. We derive this model through a formal asymptotic analysis. We present numerical simulations in a highly idealized setting for the purpose of verification, as well as more realistic micro-indentation experiments. © 2013 Elsevier Ltd.

Publication Source (Journal or Book title)

Journal of the Mechanics and Physics of Solids

First Page

2360

Last Page

2379

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