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Keywords: third-order elastic constants
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Proceedings Papers

Proc. ASME. QNDE2022, 2022 49th Annual Review of Progress in Quantitative Nondestructive Evaluation, V001T05A001, July 25–27, 2022
Publisher: American Society of Mechanical Engineers
Paper No: QNDE2022-96805
... in an isotropic medium. The acoustoelastic coefficient of a concrete sample was calculated using the third-order elastic constants (l, m and n) which were determined in the thermal modulation test. The acoustoelastic coefficient of the same sample was then experimentally verified in a four-point bending test...
Proceedings Papers

Proc. ASME. QNDE2021, 2021 48th Annual Review of Progress in Quantitative Nondestructive Evaluation, V001T11A009, July 28–30, 2021
Publisher: American Society of Mechanical Engineers
Paper No: QNDE2021-75051
... is developed for tomographic imaging. The different stages of fatigue are reflected by the changes of third-order elastic constants (TOECs) in Murnaghan’s model. The reconstructed damage locations match well with the actual ones cross different degrees and depths of fatigue. early fatigue damage second...