NDT.net - January 1999, Vol.4 No.1
PACNDT '98 Table of Contents

A Computerized Non-Contacting NDT System using an impacting acoustic wave applied to Detecting corrosion and subsurface Defects in Composite and Metal Structures

J. Webster, T. Thevar, M. Kalshteyn
Holographics Inc. 44-01 11th Street, Long Island City, New York, USA.
J. Mew
University of Portsmouth, School of Computing Studies and Mathematics, UK.
Corresponding Author Contact:
Email: john_webster@compuserve.com



Experimental results

Data Reduction and Automatic Analysis

Conclusions and Discussion


  1. Webster et al., "Method & Apparatus for Non-Destructive Inspection of Composite Materials and Semi-Monocoque Structures", US Patent No. 5,505,090. 1996.
  2. Webster et al., "Acoustic Wave Generating Apparatus", US Patent No. 5,616,865. 1997.
  3. Webster et al., "An optical/acoustic technique for the detection and imaging of subsurface defects in composite structures using remote laser doppler", Journal of Imaging Science, RPS, Vol.46, No. 1, 1998.
  4. Kizer, C. R. ATAL/AIA Air worthiness Task Force, Proc. of 2nd Annual International Conference on Aging Aircraft, Pg. 36, 1989.


Biography of authors


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