11 May 2016 Nondestructive evaluation technique using infrared thermography and terahertz imaging
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Nondestructive testing (NDT) techniques using pulse heating infrared thermography and terahertz (THz) imaging were developed for detecting deterioration of oil tank floor, such as blister and delamination of corrosion protection coating, or corrosion of the bottom steel plate under coating. Experimental studies were conducted to demonstrate the practicability of developed techniques. It was found that the pulse heating infrared thermography was utilized for effective screening inspection and THz-TDS imaging technique performed well for the detailed inspection of coating deterioration and steel corrosion.
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Takahide Sakagami, Takahide Sakagami, Daiki Shiozawa, Daiki Shiozawa, Yoshitaka Tamaki, Yoshitaka Tamaki, Tatsuya Iwama, Tatsuya Iwama, "Nondestructive evaluation technique using infrared thermography and terahertz imaging", Proc. SPIE 9861, Thermosense: Thermal Infrared Applications XXXVIII, 98611B (11 May 2016); doi: 10.1117/12.2229000; https://doi.org/10.1117/12.2229000

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