Sathon, N. and Dulieu-Barton, J.M.
Evaluation of sub-surface stresses using thermoelastic stress analysis
Applied Mechanics and Materials, 7-8, .
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Thermoelastic stress analysis (TSA) is a well established technique for stress analysis. Recent studies have revealed that the technique can be used to detect sub-surface defect effectively. In this study, the technique has been used to examine the thermoelastic response to sub-surface damage in simple bar specimens. The non-adiabatic thermoelastic response from areas close to the damage has been studied. The study shows that the phase of the response along with the thermal diffusion can provide a parameter that will help reveal subsurface stresses.
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