Journal
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
Volume 50, Issue 11-12, Pages 1897-1905Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijsolstr.2013.02.009
Keywords
FEA; Damage; Plasticity; Epoxy; Composites
Categories
Funding
- Fundacao para a Ciencia e a Tecnologia (FCT) [SFRH-BD-24045-2005]
- POPH - QREN - Tipologia 4.1 - Formacao Avancada
- Fundo Social Europeu
- FCT [PDCT/EME_PME/64984/2006]
- [PDCTE-EME-65099-2003]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/24045/2005, PDCTE/EME/65099/2003] Funding Source: FCT
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Micromechanical analyses of unidirectional continuous-fibre reinforced composite materials were performed to study the mechanisms of deformation and fracture of the constituents, and their influence on the mechanical properties of the composite. Special focus was given to the matrix material behaviour as well as to the interface between constituents. The matrix was modelled using a pressure dependent, elasto-plastic thermodynamically consistent damage model. Cohesive elements were used to model the interface between matrix and fibres. Part I of this paper details the continuum model developed for a typical epoxy matrix. Part II will focus on micromechanical analyses of composite materials and the estimation of its elastic and strength properties. (C) 2013 Elsevier Ltd. All rights reserved.
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