Acousto-Ultrasonic NDE of Ceramic Matrix Composites PUBLIC ACCESS

[+] Author Affiliations
L. A. Lott, D. C. Kunerth, G. W. Characklis

EG&G Idaho, Inc., Idaho Falls, ID

Paper No. 91-GT-286, pp. V005T13A015; 3 pages
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7902-3
  • Copyright © 1991 by ASME


Acousto-ultrasonics, a relatively new approach for nondestructive evaluation (NDE) of material components, is particularly promising for characterization of mechanical properties and detection of defects in composites. This paper describes application of the technique, which measures the ability of a material component to transmit and/or sustain elastic waves, to characterizing fiber-matrix interfaces in ceramic matrix composites. Experimental measurement techniques and data processing and analysis methods used for the study are presented along with observed correlations between material properties and measured acousto-ultrasonic parameters.

Copyright © 1991 by ASME
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