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Measure of fracture toughness of compressive fiber failure in composite structures using infrared thermography

Lisle, Teddy and Bouvet, Christophe and Hongkarnjanakul, Natthawat and Pastor, Marie-Laetitia and Rivallant, Samuel and Margueres, Philippe Measure of fracture toughness of compressive fiber failure in composite structures using infrared thermography. (2015) Composites Science and Technology, 112. 22-33. ISSN 0266-3538

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Official URL: http://dx.doi.org/10.1016/j.compscitech.2015.03.005

Abstract

Fracture toughness is one of the most important properties of any material for a lot of design applications involving damage and crack growth. Unfortunately, its value can be difficult to evaluate with standard methods such as the ‘‘compliance’’ method. In this work, two special cases have been studied and infrared thermography has been used to overcome the limitations of conventional methods. Compressive fiber failure in unidirectional composite laminate has been chosen due to its difficulty to evaluate toughness. Infrared thermography has been employed to follow compressive failure mode developing during an indentation test and a compression after impact test, and to evaluate the fracture toughness of compressive fiber failure. The obtained results show a good correspondence with the value found in a previous work on FE analysis of impact damage and are consistent with the literature.

Item Type:Article
HAL Id:hal-01847367
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
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)
Laboratory name:
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Deposited By: christophe bouvet
Deposited On:10 Apr 2015 12:44

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