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Use of the Iosipescu test for the identification of shear damage evolution laws of an orthotropic composite
RISE - Research Institutes of Sweden, Swerea, Swerea SICOMP. Chalmers University of Technology, Sweden.
RISE - Research Institutes of Sweden, Swerea, Swerea SICOMP.
RISE - Research Institutes of Sweden, Swerea, Swerea SICOMP.
RISE - Research Institutes of Sweden, Swerea, Swerea SICOMP.
2017 (English)In: Composite structures, ISSN 0263-8223, E-ISSN 1879-1085, Vol. 174, p. 319-328Article in journal (Refereed) Published
Abstract [en]

The experimental evaluation of the shear response of fibre-reinforced plies is a requirement for accurate material models predicting progressive damage. In the first part of the paper, the quality of the Iosipescu shear test is investigated with full-field strain measurements and finite element analyses. In the second part, the in-plane and through-thickness shear response of an orthotropic carbon/epoxy uni-weave non-crimp fabric composite are compared, and the stress–strain curves used as input for two continuum damage mechanics models. Both models were able to predict accurately the nonlinear shear behaviour of the material. The model parameters and the damage evolution laws could easily be extracted from cyclic Iosipescu tests.

Place, publisher, year, edition, pages
2017. Vol. 174, p. 319-328
Keywords [en]
Continuum damage mechanics CDM, Fabrics/textiles, Finite element analysis (FEA), Shear testing, Thermosetting resin, Carbon, Continuum damage mechanics, Damage detection, Elasticity, Thermosets, Continuum damage mechanics model, Experimental evaluation, Full-field strain measurement, Non-crimp fabric composites, Orthotropic composites, Through-thickness shears, Finite element method
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-30816DOI: 10.1016/j.compstruct.2017.04.068Scopus ID: 2-s2.0-85018974882OAI: oai:DiVA.org:ri-30816DiVA, id: diva2:1138718
Note

 Funding details: 34181-1/2, Energimyndigheten; Funding text: The funding for this research from the Swedish Energy Agency (Energimyndigheten), project number 34181-1/2, is gratefully acknowledged.

Available from: 2017-09-06 Created: 2017-09-06 Last updated: 2017-09-07Bibliographically approved

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CiteExportLink to record
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