Journal
PROCEEDINGS OF THE 2015 ICU INTERNATIONAL CONGRESS ON ULTRASONICS
Volume 70, Issue -, Pages 668-671Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.phpro.2015.08.074
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Funding
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1300562] Funding Source: National Science Foundation
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Material state characterization methods sensitive to incipient damage provide new opportunities for managing the life cycle of structures. Finite element simulations of ultrasonic guided waves show the potential of nonlinear wave mixing to detect localized degradation invisible to both linear elastic stress-strain response and the eye. Correlation of material degradation to the generation of higher harmonics or combinational harmonics makes estimation of remaining life possible from material state data early in the service life. (C) 2015 The Authors. Published by Elsevier B.V.
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