Impact damage investigation on composite laminates: comparison among different NDT methods and numerical simulation

Year: 2015

Authors: Pagliarulo V., Rocco A., Langella A., Riccio A., Ferraro P., Antonucci V., Ricciardi MR., Toscano C., Lopresto V.

Autors Affiliation: ‎CNR, ICIB, Inst Cybernet, Via Campi Flegrei 34, I-80078 Pozzuoli, NA, Italy;‎ CNR, INO, Natl Inst Opt, I-80078 Pozzuoli, NA, Italy;‎ Univ Naples Federico II, Dept Mat & Prod Engn, Naples, Italy;‎ Univ Naples 2, Dept Aerosp & Mech Engn, Aversa, CE, Italy;‎ CNR, IPCB, Inst Polymer Composites & Biomed Mat, Portici, NA, Italy;‎ CIRA, I-81043 Capua, CE, Italy

Abstract: The aim of this paper is to investigate the ability of different NDT techniques to detect and evaluate barely visible and non-visible impact damage on composite laminates. Firstly, a conventional ultrasound technique was adopted to investigate the delamination in carbon fibre laminates after low velocity impact s. Then the results were compared with a thermographic and holographic analysis, as well as a theoretical simulation of the expected delamination. The results were compared and discussed. Overall a good agreement was found between the data obtained by the different techniques. Furthermore, the true values of the damage parameters were confirmed by DT performed on the samples.

Journal/Review: MEASUREMENT SCIENCE & TECHNOLOGY

Volume: 26 (8)      Pages from: 085603-1  to: 085603-9

KeyWords: composite materials; non-destructive testing; indentation; delamination
DOI: 10.1088/0957-0233/26/8/085603

Citations: 31
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