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The NDE of pultruded GRP composites using air-coupled ultrasound and EMAT-based guided wave inspection

Authors: , , , , ,

Abstract

Air-coupled ultrasonic measurement techniques can be used for contactless measurements. Here, we demonstrate that they can be used to detect defects caused by impact damage in a pultruded glass fiber composite, which has a highly scattering structure. The images of damage have been analyzed, and the relationship to impact energy determined. The technique is also compared to signals generated via an EMAT device and a non-damaging metal patch attached to the surface of the sample.

Keywords:

How to Cite: Vyas, J. . , Jasiuniene, E. . , Kažys, R. J. , Amato, S. . , Dixon, S. . & Hutchins, D. A. (2019) “The NDE of pultruded GRP composites using air-coupled ultrasound and EMAT-based guided wave inspection”, Review of Progress in Quantitative Nondestructive Evaluation.(0).