Characterization of interfaces from ultrasonic reflection data

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Abstract

In this paper, an inverse method for ultrasonic reflection data is proposed to characterize bimaterial interfaces. The method is based on a micromechanics approach for the interaction of elastic waves with interfacial defects. For a given interface, the reflection coefficient is obtained first. Then, the interface characteristics are extracted from the reflection coefficient through an inversion procedure. Characterization of interface roughness and interface cracks between dissimilar materials are two examples discussed in detail.

Original languageEnglish
Title of host publicationDynamic Characterization of Advanced Materials
EditorsTheodore M. Farabee, William L. Keith, Richard M. Lueptow
Pages107-115
Number of pages9
StatePublished - 1993
EventProceedings of the 1993 ASME Winter Annual Meeting - New Orleans, LA, USA
Duration: 28 Nov 19933 Dec 1993

Publication series

NameAmerican Society of Mechanical Engineers, Noise Control and Acoustics Division (Publication) NCA
Volume16

Conference

ConferenceProceedings of the 1993 ASME Winter Annual Meeting
CityNew Orleans, LA, USA
Period28/11/933/12/93

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