Prediction of the Failure Locus of C/PEEK Composites under Transverse Compression and Longitudinal Shear Through Computational Micromechanics

Totry, Essam and González Martínez, Carlos Daniel and Llorca Martinez, Francisco Javier (2008). Prediction of the Failure Locus of C/PEEK Composites under Transverse Compression and Longitudinal Shear Through Computational Micromechanics. "Composites Science and Technology", v. 68 (n. 15-16); pp. 3128-3136. ISSN 0266-3538. https://doi.org/10.1016/j.compscitech.2008.07.011.

Description

Title: Prediction of the Failure Locus of C/PEEK Composites under Transverse Compression and Longitudinal Shear Through Computational Micromechanics
Author/s:
  • Totry, Essam
  • González Martínez, Carlos Daniel
  • Llorca Martinez, Francisco Javier
Item Type: Article
Título de Revista/Publicación: Composites Science and Technology
Date: January 2008
ISSN: 0266-3538
Volume: 68
Subjects:
Freetext Keywords: A. Polymer–matrix composites, B. Mechanical properties, B. Modeling, C. Failure criterion
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Ciencia de los Materiales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The potential of computational micromechanics to predict the failure locus of a unidirectional C/PEEK composite subjected to transverse compression and longitudinal shear was established. Numerical simulations were compared with the experimental results of Vogler and Kyriakides [Vogler TJ, Kyriakides S. Inelastic behavior of an AS4/PEEK composite under combined transverse compression and shear. Part I: Experiments. Int J Plasticity 1999;15:783–806], which contain detailed information of the matrix and fiber properties as well as the failure micromechanisms during multiaxial loading. Analyses were based in the finite element analysis of a three-dimensional representative volume element of the lamina microstructure and included the main deformation and failure mechanisms observed experimentally, namely matrix shear yielding and interface decohesion. In addition, the numerical predictions of the failure locus for composites with strong and weak interfaces were compared with those obtained by current phenomenological failure models to establish the accuracy and range of validity of these criteria.

More information

Item ID: 2669
DC Identifier: http://oa.upm.es/2669/
OAI Identifier: oai:oa.upm.es:2669
DOI: 10.1016/j.compscitech.2008.07.011
Official URL: http://www.sciencedirect.com/science?_ob=PublicationURL&_cdi=5571&_pubType=J&_acct=C000047350&_version=1&_urlVersion=0&_userid=885385&md5=15c0b23090cd01591b1b1f9223ca295f&jchunk=68#68
Deposited by: Memoria Investigacion
Deposited on: 08 Apr 2010 11:32
Last Modified: 20 Apr 2016 12:21
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