Ultrasonic Spectroscopy of two Parallel Imperfect Interfaces
Date
Authors
Major Professor
Advisor
Committee Member
Journal Title
Journal ISSN
Volume Title
Publisher
Authors
Research Projects
Organizational Units
Journal Issue
Is Version Of
Versions
Series
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.
Department
Abstract
The ultrasonic method is promising for the nondestructive characterization of imperfect interfaces in many joined structures (for example solid state bonds, adhesive joints, etc.) When the interphasial layer containing imperfections is thin and the imperfections are flat the interphasial layer can be modeled as an infinitely thin interface with distributed springs to account for interfacial stiffness reduction due to imperfections [1]. Significant effort has been put into experimental and theoretical studies of ultrasonic wave interaction with imperfect interfaces [1]–[15] with the goal of characterizing interface imperfections by the ultrasonic signature. It has been shown that by measuring the frequency response of the coefficient of reflection from an interface with spring boundary conditions one can determine the interfacial spring stiffness.