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Application of the Williams Expansion near a Bi-Material Interface

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Abstract:

A simplified model of a crack approaching a bi-material interface is modelled by means of the finite element method in order to investigate the significance of the higher-order terms of the Williams expansion for the proper approximation of the opening crack-tip stress near the bi-material interface. The discussion on results is presented and the importance of the higher-order terms proved.

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Periodical:

Key Engineering Materials (Volume 754)

Pages:

206-209

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.754.206

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Cite this paper

Online since:

September 2017

Authors:

Lucie Malíková*, Stanislav Seitl

Keywords:

Bi-Material Interface, Crack-Tip Stress Distribution, Finite Element, Over-Deterministic Method, Williams Expansion

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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