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Damage analysis and fracture toughness evaluation in a thin woven composite laminate under static tension using infrared thermography

Lisle, Teddy and Bouvet, Christophe and Pastor, Marie-Laetitia and Margueres, Philippe and Prieto Corral, Roberto Damage analysis and fracture toughness evaluation in a thin woven composite laminate under static tension using infrared thermography. (2013) Composites Part A: Applied Science and Manufacturing, 53. 75-87. ISSN 1359-835X

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Official URL: http://dx.doi.org/10.1016/j.compositesa.2013.06.004

Abstract

This work deals with the issue of damage growth in thin woven composite laminates subjected to tensile loading. The conducted tensile tests were monitored on-line with an infrared camera, and tested specimens were analysed using Scanning Electron Microscopy (SEM). Combined with SEM micrographs, observation of heat source fields enabled us to assess the damage sequence. Transverse weft cracking was confirmed to be the main damage mode and fiber breakage was the final damage leading to failure. For cracks which induce little variation of specimen stiffness, the classic “Compliance method” could not be used to compute energy release rate. Hence, we present here a new procedure based on the estimation of heat source fields to calculate the energy release rate associated with transverse weft cracking. The results are then compared to those computed with a simple 3D inverse model of the heat diffusion problem and those presented in the literature.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Composites Part A: Applied Science and Manufacturing website: http://www.sciencedirect.com/science/journal/1359835X/53/supp/C
HAL Id:hal-00858882
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Ecole nationale supérieure des Mines d'Albi-Carmaux - IMT Mines Albi (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE-SUPAERO (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Universidad Politécnica de Madrid (SPAIN)
Laboratory name:
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Deposited By: christophe bouvet
Deposited On:06 Sep 2013 09:13

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