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2020 | OriginalPaper | Chapter

High-Speed Mode-I Delamination

Authors : Tianyu Chen, Christopher M. Harvey, Simon Wang, Vadim V. Silberschmidt

Published in: Proceedings of the Third International Conference on Theoretical, Applied and Experimental Mechanics

Publisher: Springer International Publishing

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Abstract

The analytical theory of mode-I delamination propagation in double cantilever beams (DCBs) under high loading rates is developed by accounting for structural vibration and wave dispersion, and by using Euler-Bernoulli beam theory. The developed analytical theory is validated against experimental data and against finite element method (FEM) simulations, showing excellent agreement. It is shown that the developed analytical theory can accurately calculate energy release rate (ERR) for both stationary and propagating delamination, and that structural vibration can have a significant effect on ERR. It is further shown how the theory can be used to post-process experimental results from high-speed delamination tests to determine fracture toughness. Among other examples, the work is therefore expected to be useful to engineers and academic researchers to determine the initiation, arrest and propagation fracture toughness of laminated materials against delamination. The developed theory also provides useful benchmark solutions for the development of numerical codes.

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Metadata
Title
High-Speed Mode-I Delamination
Authors
Tianyu Chen
Christopher M. Harvey
Simon Wang
Vadim V. Silberschmidt
Copyright Year
2020
DOI
https://doi.org/10.1007/978-3-030-47883-4_1

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