Abstract
Abstract: This study investigates the effectiveness of the current pulse thermal technique (ESRT) in detecting internal defects in СFRР reinforced metal structures. This study covers various internal defects of FRР reinforced steel structures, including cracks, small tracks in СFRР, metal cracks / inter-steel cracks. We theoretically analyze the effect of these problems on the magnetic and thermal response of structures. To confirm the results of the theater, statistical and diagnostic tests were performed on steel plates reinforced with СFRР with various defects. Numerical and diagnostic results show that EСРТ can estimate observed deformations and show low temperature regions in EСРТ thermograms. In addition to the thermal characteristics of the thermograms, the appearance of the temperature profile and changes in temperature are also examined for reanalysis of the thermal analysis. In addition, based on the test results, the effectiveness of EСRT to restore the size and scope of errors was demonstrated. Overall, theoretical, numerical and experimental results show that EСRT is effective in diagnosing internal defects in CFRP-reinforced steel structures
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