NDT.net - October 2002, Vol. 7 No.10

High Frequency Ultrasonic Thickness and Acoustic Velocity Measurement Methods for Advanced Material and Component Characterization

Daniel J. Cotter, Jennifer E. Michaels, Zhong Zhang, Ehab Ghabour, Tom Nelligan,
Agostino Abbate, Daniel Kass, and Gerry Elfbaum
Panametrics Incorporated, Waltham, MA 02453-3497
Corresponding Author Contact:
Email: nelligant@panametrics.com, Internet: www.panametrics-ndt.com
Paper presented at the 8th ECNDT, Barcelona, June 2002

Abstract

Introduction

Ultrasonic Time-of-Flight Measurements

Illustrative Examples of Ultrasonic Thickness Measurements

Summary

References

  1. An Introduction to Ultrasonic Thickness Measurements, www.panametrics-ndt.com [Internet Web Site, February 2002].
  2. Standard Practice for Measuring Thickness by Manual Ultrasonic Pulse-Echo Contact Method, ASTM Document E797–95, ASTM, February 1996.
  3. Standard Practice for Measuring Ultrasonic Velocity in Materials, ASTM Document E494-95, ASTM, March 1995.
  4. Papadakis, E. P., “Ultrasonic Phase Velocity by the Pulse-Echo-Overlap Method Incorporating Diffraction Phase Corrections,” Journal of Acoustical Society of America, Vol. 42, pp 1045- 1051, 1967.
  5. Lynnworth, L. C., E. P. Papadakis, and K. A. Fowler, “Ultrasound Propagation Measurements and Applications,” International Advances in Nondestructive Testing, 1977, Vol. 5, pp. 71-115.
  6. McMaster, R. C., Nondestructive Testing Handbook, New York, Ronald Press 1959, Section 43-10.
  7. Krautkramer, J. and H. Krautkramer, Ultrasonic Testing of Materials, Berlin, Heidelberg, New York, 1983.
  8. Cotter, D. J., W. D. Koenigsberg, A. E. Pasto, and L. J. Bowen, “Improving the Reliability of High Performance Ceramics Using Nondestructive Evaluation”; presented at the 12th Conference on Composites and Advanced Ceramics at Cocoa Beach, FL, Jan 1988.
  9. Richerdson, D. W., Modern Ceramic Engineering, Marcel and Decker, Inc. (1982).
  10. Blessing, G. V.; Donmez, M. A.; Eitzen, D. G., and Kodama, R. H., “In-Process Ultrasonic Thickness Metrology Applied to Steel Parts of Rotation”, Rev. Prog. Quant. Nondestr, Eval, Vol.10B, pp. 2149-56, 1991.

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