·Table of Contents
·Computer Processing and Simulation

Analysis & Result of Data Obtained from a new Laser Based NDT System (A new concept in NDT)

John M. Webster
John Webster Associates
E-mail: john_webster@compuserve.com
Jackie M. Mew, Robert Topp
Computer Science Division
University of Portsmouth, Portsmouth UK.


1. Introduction

2. Results: Composite & Metal Bonds

3. Application of RAID to the detection & quantification of hidden corrosion



  1. J.M. Webster et al. Optical technique for the detection and imaging of subsurface defect in composite structures using Remote Acoustic Doppler. J. Sci. Imaging. No1. Vol. 46. 1998.
  2. J. M. Webster. Acoustic Wave Generating Apparatus. US Patent No. 5,616,865 1997.
  3. J. M. Webster & J. M. Mew Method & Apparatus for Non-Destructive Inspection of Composite Materials and Semi-Monocoque Structures US Patent No. 5,505,090 1996
  4. J. M. Webster, et al., "The detection of subsurface defects in composite structures & metal structures by the application of remote acoustic Doppler technique" - First Pan-American Conference on Non-destructive Testing, Sept. 14-18, 1998, Canada.
  5. J. M. Mew et. al. ASNT Spring Research Conference 1998
  6. R. A. Smith, Non-destructive evaluation for corrosion in ageing aircraft. Part 1, Insight, Vol. No. 37, No.10, 1995
  7. J. P. Komorowski et. al., "Quantification of corrosion in aircraft structures with double pass retroreflection", Canadian Aeronautics & Space Journal, Vol. 42, No. 2, 1996.
  8. D. Perry, Sandia National Lab, "Emerging NDE technology for ageing aircraft", ASNT Spring Conference and Research Journal, 19989
  9. C. M. Harris, "Shock and vibration handbook", Fourth edition, 1996.
  10. Note: the RAID system is covered by a series of patents registered in the names of J.M.Webster & J.M. Mew.

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