M. Ishikawa, Takuto Miura, H. Nishino, T. Kato, Tetsuya Otsuki
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Active thermography inspection of CFRP using cyclic heating and Fourier transform—comparison with flash heating method
Active thermography nondestructive inspection using cyclic heating and phase images obtained via the Fourier transform is performed for carbon fiber-reinforced plastic (CFRP) specimens, and the defect detection capability of this method is compared with that of the conventional thermography method using flash heating. The experimental results indicate that the defect detection capability is significantly improved when the frequency of the phase image is equal to the cyclic heating frequency. Compared with the flash heating method, a higher signal-to-noise ratio is observed in the phase images obtained via the cyclic heating method, although the temperature increase of the inspection object during heating is lower than that observed during flash heating. These results suggest that the proposed inspection method is effective for CFRPs and other resin-based materials.
期刊介绍：
"Advanced Composite Materials (ACM), a bi-monthly publication of the Japan Society for Composite Materials and the Korean Society for Composite Materials, provides an international forum for researchers, manufacturers and designers who are working in the field of composite materials and their structures. Issues contain articles on all aspects of current scientific and technological progress in this interdisciplinary field. The topics of interest are physical, chemical, mechanical and other properties of advanced composites as well as their constituent materials; experimental and theoretical studies relating microscopic to macroscopic behavior; testing and evaluation with emphasis on environmental effects and reliability; novel techniques of fabricating various types of composites and of forming structural components utilizing these materials; design and analysis for specific applications.
Advanced Composite Materials publishes refereed original research papers, review papers, technical papers and short notes as well as some translated papers originally published in the Journal of the Japan Society for Composite Materials. Issues also contain news items such as information on new materials and their processing."
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