Paper Title:
Shear Test on CFRP Full-Field Measurement and Finite Element Analysis
  Abstract

The purpose of this work is to study the Iosipescu shear test and more precisely its ability to characterize the shear modulus of a carbone/epoxy composite material. The parameters influencing this identification are the fibre orientation, the geometry of the notch and the boundary conditions. Initially these parameters were studied through the finite element analysis of the shear test. Then, the measurement of the shear strains was carried out by traditional methods of measurement (strain gauges) but also by optical methods. These optical methods: the digital image correlation and the electronic speckle pattern interferometry (ESPI); allow for various levels of loading, to reach a full-field measurement of the shear strain. This enabled us to study the strain distribution on the section between the two notches. The finite element model enabled us to study the parameters influencing the calculation of the shear modulus in comparison with strain gauges, image correlation and ESPI. This work makes it possible to conclude on optimal parameters for the Iosipescu test.

  Info
Periodical
Edited by
Moussa Karama
Pages
49-62
DOI
10.4028/www.scientific.net/AMR.112.49
Citation
S. Mistou, M. Fazzini, M. Karama, "Shear Test on CFRP Full-Field Measurement and Finite Element Analysis", Advanced Materials Research, Vol. 112, pp. 49-62, 2010
Online since
May 2010
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Price
$32.00
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