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The Tsai-Wu failure criterion rationalised in the context of UD composites

Li, Shuguang; Sitnikova, Elena; Liang, Yuning; Kaddour, Abdul Salam

Authors

SHUGUANG LI shuguang.li@nottingham.ac.uk
Professor of Aerospace Composites

Yuning Liang

Abdul Salam Kaddour



Abstract

© 2017 The Authors This paper is to rationalise the empirical aspect of the Tsai-Wu failure criterion in the context of UD composites associated with the determination of the interactive strength property F12 based on the analytic geometry. It reveals that the condition of closed failure envelope cannot be satisfied by all UD composites and hence the restriction should be abandoned. Depending on the way the failure envelope opens, UD composites can be classified into two categories. (a) F12 can be determined uniquely using the conventional strength properties with an additional assumption that the material exhibits very high or infinite strength under triaxial compression at a specific stress ratio; or (b) The Tsai-Wu criterion leads to one of the two scenarios: either allowing infinite strength for an in-plane stress state or allowing infinite strength under triaxial stresses involving tension along fibres.

Citation

Li, S., Sitnikova, E., Liang, Y., & Kaddour, A. S. (2017). The Tsai-Wu failure criterion rationalised in the context of UD composites. Composites Part A: Applied Science and Manufacturing, 102, 207-217. https://doi.org/10.1016/j.compositesa.2017.08.007

Journal Article Type Article
Acceptance Date Aug 2, 2017
Online Publication Date Aug 4, 2017
Publication Date Nov 1, 2017
Deposit Date Aug 4, 2017
Publicly Available Date Aug 5, 2018
Journal Composites Part A: Applied Science and Manufacturing
Print ISSN 1359-835X
Electronic ISSN 1359-835X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 102
Pages 207-217
DOI https://doi.org/10.1016/j.compositesa.2017.08.007
Keywords Tsai-Wu criterion, Failure envelope, Strength, Triaxial compression
Public URL http://eprints.nottingham.ac.uk/id/eprint/44698
Publisher URL http://www.sciencedirect.com/science/article/pii/S1359835X17303068
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0
Additional Information This article is maintained by: Elsevier; Article Title: The Tsai-Wu failure criterion rationalised in the context of UD composites; Journal Title: Composites Part A: Applied Science and Manufacturing; CrossRef DOI link to publisher maintained version: https://doi.org/10.1016/j.compositesa.2017.08.007; Content Type: article; Copyright: © 2017 The Authors. Published by Elsevier Ltd.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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