Nondestructive testing and evaluation of composites by non-invasive IR Imaging techniques

Ravibabu Mulaveesala; Juned A. Siddiqui; Vanita Arora; S. V. Ghali; Amarnath Muniyappa; Masahiro Takei

doi:10.1117/12.2018461

22 May 2013 Nondestructive testing and evaluation of composites by non-invasive IR Imaging techniques

Ravibabu Mulaveesala, Juned A. Siddiqui, Vanita Arora, S. V. Ghali, Amarnath Muniyappa, Masahiro Takei

Proceedings Volume 8705, Thermosense: Thermal Infrared Applications XXXV; 87050Y (2013) https://doi.org/10.1117/12.2018461
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

InfraRed Thermography (IRT) is one of the promising technique for non-destructive testing method for characterization of materials. This technique relies on evaluation of the surface temperature variations to detect the presence of surface and subsurface anomalies within the material. Due to its whole field and remote testing capabilities, IRT has gained significant importance in testing of Glass Fiber Reinforced Plastic (GFRP) materials. A GFRP sample with defects of various sizes at a given depth was inspected using non-stationary thermographic techniques. In order to highlight the defect detection capabilities of the proposed non-stationary schemes, a comparison has been made using matched excitation energy in frequency domain by taking signal to noise ratio into consideration.

Citation Download Citation

Ravibabu Mulaveesala, Juned A. Siddiqui, Vanita Arora, S. V. Ghali, Amarnath Muniyappa, and Masahiro Takei "Nondestructive testing and evaluation of composites by non-invasive IR Imaging techniques", Proc. SPIE 8705, Thermosense: Thermal Infrared Applications XXXV, 87050Y (22 May 2013); https://doi.org/10.1117/12.2018461

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