Journal
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
Volume 44, Issue 5, Pages 1162-1177Publisher
WILEY
DOI: 10.1111/ffe.13421
Keywords
fatigue life; fracture fatigue entropy; Seebeck coefficient; thermoelectricity
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An online approach using thermoelectricity was proposed to predict the fatigue life of metallic specimens under cyclic loading. The methodology was validated with experimental results, showing a practical methodology for early prediction of fatigue. The correlation between thermoelastic potential and fatigue life was demonstrated in low-carbon steel 1018 specimens measured via an infrared camera.
An online approach is proposed to predict the fatigue life of metallic specimens under cyclic loading using the concept of thermoelectricity. The working principle of the methodology is described, and experimental results are performed with a fully reversed bending fatigue testing apparatus to evaluate the efficacy of the approach. Results are presented that correlate the measured thermoelastic potential for low-carbon steel 1018 specimens measured via an infrared camera. It is shown that the application of thermoelectricity provides a practical methodology for early prediction of fatigue.
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