Journal
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
Volume 66, Issue -, Pages 140-150Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijsolstr.2015.03.034
Keywords
Short-fibre reinforced polymer; Anisotropy; Fibre/matrix debonding; Damage mechanics; Failure criterion
Categories
Funding
- International Campus on Safety and Intermodality in Transportation
- Nord-Pas-de-Calais Region
- European Community
- Regional Delegation for Research and Technology
- Ministry of Higher Education and Research
- National Center for Scientific Research
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Mechanical behaviour of short-fibre reinforced composites (SFRC) can be affected by numerous damage phenomena. This paper focuses on the modelling of fibre/matrix debonding initiated at fibre tips, which is the dominant damage mechanism when a majority of short-fibres are subjected to local tensile loadings. A failure criterion for SFRC is proposed based on a critical amount of voids located in debonded areas. Very accurate mechanical states at break can be predicted for SFRC with complex fibre distribution of orientation, for different kinds of uniaxial and biaxial tensile loadings. (C) 2015 Elsevier Ltd. All rights reserved.
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