Development of a pulse heating thermographic NDT technique for detection of latent blister in corrosion protective coating on oil storage tank

Takahide Sakagami; Shiro Kubo; Kazuyoshi Sekine; Minoru Yamada; Katsuyasu Nakata; Hiroaki Maruyama

doi:10.1117/12.421038

23 March 2001 Development of a pulse heating thermographic NDT technique for detection of latent blister in corrosion protective coating on oil storage tank

Takahide Sakagami, Shiro Kubo, Kazuyoshi Sekine, Minoru Yamada, Katsuyasu Nakata, Hiroaki Maruyama

Author Affiliations +

Proceedings Volume 4360, Thermosense XXIII; (2001) https://doi.org/10.1117/12.421038
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

Pulse heating thermographic NDT technique was developed for the detection of latent blisters in the corrosion protective coating on oil storage tanks employed for petroleum stockpiling in Japan. Experimental studies were made on the applicability of the proposed NDT method to the quantitative identification of the subsurface latent blisters in the coating. Pulse heat flux by the xenon flush lamp was applied to the surface of the corrosion protective coating and sequential thermal images were taken by the high-speed infrared thermography. It was found that the blisters were clearly identified as the localized high temperature region in the sequential thermal images.

Citation Download Citation

Takahide Sakagami, Shiro Kubo, Kazuyoshi Sekine, Minoru Yamada, Katsuyasu Nakata, and Hiroaki Maruyama "Development of a pulse heating thermographic NDT technique for detection of latent blister in corrosion protective coating on oil storage tank", Proc. SPIE 4360, Thermosense XXIII, (23 March 2001); https://doi.org/10.1117/12.421038

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