Ultrasonic modulus determination in composite mediaA nondestructive test procedure for determining the elastic properties of anisotropic media is presented. The technique is based on transit time measurements for multiple angles of incidence and a numerical solution of the resulting coupled nonlinear equations for modulus determination. Methods for compensating for energy flux deviation from the wave normal and the resulting differences group and phase velocity are devised.
Document ID
19920046074
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Kline, R. A. (NASA Langley Research Center Hampton, VA, United States)
Sahay, S. K. (Oklahoma, University Norman, United States)
Madaras, E. I. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 15, 2013
Publication Date
January 1, 1991
Subject Category
Composite Materials
Meeting Information
Meeting: Annual Review of Progress in Quantitative Nondestructive Evaluation