Application of ultrasonic infrared thermography on the evaluation of CFRP foam sandwich structure

Peng Zou; Lichun Feng; Yanhong Li; Cunlin Zhang; Chunfei Xing; Dapeng Chen

doi:10.1117/12.836278

4 August 2009 Application of ultrasonic infrared thermography on the evaluation of CFRP foam sandwich structure

Peng Zou, Lichun Feng, Yanhong Li, Cunlin Zhang, Chunfei Xing, Dapeng Chen

Proceedings Volume 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications; 73831Y (2009) https://doi.org/10.1117/12.836278
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

Carbon Fiber Reinforced Plated (CFRP) with Foam sandwich has the merits of high strength and light weight, which was used in the fields of manufacturing industry, aeronautics and astronautics. The basic principles and characteristics of the ultrasonic infrared thermography is discussed in the paper. The ultrasound is introduced into the sample, and the mechanical vibration weakens and transfers to heat at the place where defect or crack locates. A infrared camera monitors the surface temperature distribution and records this process. A CFRP foam sandwich structure sample with five pre-embedded defects was inspected with ultrasonic infrared thermography. The results is shown and compared with pulsed thermography.

Citation Download Citation

Peng Zou, Lichun Feng, Yanhong Li, Cunlin Zhang, Chunfei Xing, and Dapeng Chen "Application of ultrasonic infrared thermography on the evaluation of CFRP foam sandwich structure", Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73831Y (4 August 2009); https://doi.org/10.1117/12.836278

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