Application of optical interferometric techniques for non-destructive evaluation of novel "green" composite materials

Vito Pagliarulo; Pietro Russo; Vittorio Bianco; Pietro Ferraro; Giorgio Simeoli; Francesca Cimino; Berardo Ruggiero

doi:10.1117/12.2296317

11 April 2018 Application of optical interferometric techniques for non-destructive evaluation of novel "green" composite materials

Vito Pagliarulo, Pietro Russo, Vittorio Bianco, Pietro Ferraro, Giorgio Simeoli, Francesca Cimino, Berardo Ruggiero

Author Affiliations +

Proceedings Volume 10599, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII; 105990T (2018) https://doi.org/10.1117/12.2296317
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

Nowadays the use of advanced composite materials in aeronautics, both civil and military, in automotive and in sport applications, citing some, is well established. The characteristics of composite materials in terms of weight, fatigue resistance and corrosion resistance make them competitive with respect to conventional ones. On the other side, the fabrication process of the most employed composites reinforced by carbon fibers or glass fibers, needs of complex steps that not always are environmental complaisant. Moreover, such fibers are not themselves “green”. For these reasons, in the last decades, the use of natural reinforcing fibers has gained an increasing attention allowing the development of new materials with the same advantages of composite systems but respecting the environment. Furthermore, such materials for their structural complexity are not always compatible with the use of standard non-destructive evaluation as the ultrasounds methods. In this work the efficiency of the employment of optical interferometric techniques as nondestructive evaluation methods in full field modality is proved on novel “green” composite materials. In particular, Electronic Speckle Pattern Interferometry has been tested on different kinds of specimens after flexural tests.

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Vito Pagliarulo, Pietro Russo, Vittorio Bianco, Pietro Ferraro, Giorgio Simeoli, Francesca Cimino, and Berardo Ruggiero "Application of optical interferometric techniques for non-destructive evaluation of novel "green" composite materials", Proc. SPIE 10599, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII, 105990T (11 April 2018); https://doi.org/10.1117/12.2296317

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