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Guided Wave Mode Selection for Microstructure-sensitive Mutual Wave Interactions

MOSTAFA HASANIAN, GLORIA CHOI, CLIFF J. LISSENDEN

Abstract


The generation of waves from the mutual interaction of two ultrasonic guided waves has strong potential for early detection of material degradation. Selection of primary wave modes and frequencies that interact to generate propagating wave modes is discussed and two examples of experimental results are described. The results show that the generated waves propagate on their own and are sensitive to microstructural evolution in fatigue.


DOI
10.12783/shm2017/14047

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