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Current directions of Ultrasonic Stress Measurement Techniques

Don E. Bray, Ph. D., P. E., Don E. Bray Inc.,
P. O. Box 10315, College Station, Texas 77842-0315
USA, V 979-693-9301, F 979-696-6327
Email : debray@brayengr.com
Contact

ABSTRACT

INTRODUCTION

THEORY

MATERIALS EFFECTS

CHARACTERISTICS OF THE LCR TRANSDUCER

STRESS MEASUREMENT WITH THE LCR TECHNIQUE

APPLICATIONS TO ENGINEERING COMPONENTS

SUMMARY AND CONCLUSIONS

REFERENCES

  1. Bray, D. Report to Koch Industries, 1999, unpublished.
  2. Bray, D., Report to General Electric Aircraft Engines, 1999a, unpublished.
  3. Bray, D. E. and B. Chance, in Proceedings of the 6th NDE Topical Conference, edited by C. Darvennes (ASME Int., San Antonio, Texas, 1999).
  4. Bray, Don E., and Dietrich, M., "Stress Evaluation in High Speed Rotating Machinery with the LCR Ultrasonic Technique," Proceedings of the 26th Turbo Machinery Symposium, Bailey, Jean C., Tech. Ed., Texas A&M University, Houston, Texas, 16-18 September 1997, pp. 143 -149
  5. Bray, Don E., Kim, S-J., and Fernandes, M., "Ultrasonic Evaluation of Residual Stresses in Rolled Aluminum Plates," Proceedings Ninth International Symposium on Nondestructive Characterization of Materials, Robert E. Green, Ed., Sydney Australia, June 28-July 2, American Institute of Physics, Melville, NY, 1999, pp. 443-448.
  6. Bray, D. E and Stanley, R. K. Nondestructive Evaluation, Revised Edition, CRC Press, Boca Raton FL, (1997).
  7. Bray, Don E., and Tang, W., "Evaluating Stress Gradients in Steel Plates and Bars with the LCR Ultrasonic Wave," Approximate Methods in the Design and Analysis of Pressure Vessels and Piping Components, Proceedings 1997 ASME Pressure Vessels and Piping Conference, W. J. Bees, Ed., Orlando, FL, July 1997, PVP-Vol. 347, pp. 157-164.
  8. Bray, D. E., Tang, W. and Grewal, D., "Ultrasonic Stress Evaluation in a Turbine/Compressor Rotor," Journal of Testing and Evaluation, Vol. 25, No. 5, September 1997, pp. 503-509.
  9. Leon-Salamanca, T., Reinhart, E., Bray, D.E., and Golis, M., "Field Applications of an Ultrasonic Method for Stress Measurement in Structure," in Boogaard, J. and Van Dijk, G., eds., Nondestructive Testing (Proceedings 12th World Conference), Amsterdam, The Netherlands, pp. 1484-1489, April (1989).
  10. Santos, Auteliano and Bray, Don E., "Ultrasonic Stress Measurement Using PC Based and Commercial Flaw Detectors," Review of Scientific Instruments, to appear, Sept. 2000.
  11. Santos, A. A., and Bray, Don E., "Application of Longitudinal Critically Refracted Waves to Evaluate Stresses in Railroad Wheels," to appear, Topics on Nondestructive Testing, vol. 5, The American Society for Nondestructive Testing, 2000.
  12. Schneider, E. and R. Herder, "Ultrasonic Evaluation of Stresses in the Rims of Railroad Wheels," ECNDT '98, Copenhagen 26-29 May 1998, Vol. 3, No. 6, NDTNet, June 1998.
  13. Schneider, E., Structural and Residual Stress Analysis by Nondestructive Methods, edited by V. Hauk (Elsevier, Amsterdam, 1997), Chap. 4, pp. 522-563.
  14. Szelazek, J., "Monitoring of Thermal Stresses in Continuously Welded Rails with Ultrasonic Technique," ECNDT '98, Copenhagen 26-29 May 1998, Vol. 3, No. 6, NDTNet, June 1998.
  15. Tanala, E., G. Bourse, M. Fremiot and J. F. De Belleval, "Determination of Near Surface Residual Stress on Welded Joints using Ultrasonic Methods," NDT&E International, Vol. 28, No. 2, pp. 83-88, 1995.
  16. Tang, W., and Bray, D. E., "Stress and Yielding Studies Using Critically Refracted Longitudinal Waves," NDE Engineering Codes and Standards and Material Characterization, Proceedings 1996 ASME Pressure Vessels Piping Conference, Montreal, PQ, July 1996. PVP-Vol. 322, NDE-Vol. 15, J. F. Cook, Sr., C. D. Cowfer, and C. C. Monahan, Eds. The American Society of Mechanical Engineers, New York, pp. 41-48.
  17. Thompson, R. B. ,W. Y. Lu, and A. V. Clark Jr., Handbook of Measurement of Residual Stress, edited by J. Lu, M. James and G. Roy (Society for Experimental Stress Analysis, Bethel, Connecticut, 1996), Chap. 7, pp. 149-178.

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