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- W2743809785 abstract "Thermo-elastic stress analysis (TSA) is a non-destructive evaluation tool widely used for the ob-taining the stress fields in the vicinity of critical region of structures. In this work, TSA is usedto determine the stress fields around discontinuities like hole and crack in metallic structures andfurther stress results were post processed to obtain the stress concentration/stress intensity factors.Firstly, experiments were conducted in a mild steel/aluminum specimen with a hole under a tensile-tensile cyclic loading and FLIR SC5000 thermography camera was used to capture the temperaturedistribution on the surface of the specimen. The stress fields obtained using the TSA equation werethen validated using finite element(FE) modeling results (ABAQUS). Stress concentration factor forplate with a hole was evaluated using the TSA results and compared with analytical and FE results.Subsequently, experiments were conducted on mild steel specimen with straight and inclined cracksunder cycle loading and the stress fields were obtained using TSA. A least square approach was thenused to determine the fracture mechanics parameters, namely, stress intensity factors from the TSAstress results. Finite element modeling of the straight and inclined cracks were done to compute thestress intensity factors. The stress intensity factors calculated from TSA results were then comparedwith analytical and numerical results. This study will provide an experimental tool based on TSAtechnique along with the least square approach to determine the stress concentration/stress intensityfactors for complex structures." @default.
- W2743809785 created "2017-08-17" @default.
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- W2743809785 date "2017-01-01" @default.
- W2743809785 modified "2023-09-27" @default.
- W2743809785 title "Stress Concentration/Intensity Factor Determination Using Thermo-Elastic Stress Analysis (TSA)" @default.
- W2743809785 hasPublicationYear "2017" @default.
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