Brewster Angle and Ultrasonic Evaluation of Bi-Material Bonds
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Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.
This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.
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Abstract
The ultrasonic nondestructive evaluation of structures with material interfaces, involves the generic problem of elastic wave reflection from a planar interface between two homogeneous, linear elastic and isotropic half-spaces. This problem is relevant not only to this discipline but also to other disciplines as diverse as seismology, signal processing in electronic devices, and the design of new structures. Even though this topic has received so much attention in the technical literature for the past one hundred years, there remain unanswered serious questions concerning properties of the reflection coefficients for imperfect bond. Answering these questions will have a dramatic effect in developing a unified experimental technique for the ultrasonic nondestructive evaluation of material interfaces in structures.