·Home
·Table of Contents
·Computer Processing and Simulation

An Evaluation Approach to NDT Ultrasound Processes by Wavelet Transform

G. Cavaccini, M. Agresti, G. Borzacchiello
Alenia Un'Azienda Finmeccanica - Pomigliano d'Arco (Naples, Italy)
E. Bozzi, M. Chimenti, O. Salvetti
Consiglio Nazionale delle Ricerche - Istituto di Elaborazione delle Informazioni - Pisa (Italy)

Contact

Abstract

Introduction

Modelling approach

Conclusions

References

  1. L. B. Greszcuk, "Effect of Voids on Strength Properties of Filamentary Composites", Proc. of the 22nd Conference, SPI Reinforced Plastics Div., Soc. of the Plastics Industry, New York, 1967, Sect. 20-A
  2. N. C. W. Judd and W. W. Wrihgt, "Voids and Their Effects on the Mechanical Properties of Composites - An Appraisal", SAMPE Journal. Vol. 14, 1978, p. 10
  3. J. Kollgaard, "Evaluation of Porosity in Composite Laminate Repairs Using Acoustic Substitutes", Materials Evaluation, Nov. 1995
  4. ASTM D2734 "Standard Test Method for Void Content of Reinforced Plastics"
  5. D. M. Patterson, B. De Facio, S. Neal, C. R. Thompson, "Wavelets an their application to Digital Signal Processing in Ultrasonic NDE", Review of Progress in Quantitave Nondestructive Evaluation, Vol. 12, D. O. Thompson and D. P. Chimenti eds., New York, 1993, 719-726.
  6. J. Chao, L. Udpa, S. S. Udpa, "Ultrasonic Signal Analysis using Wavelets Transform", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12, D. O. Thompson and D. P. Chimenti eds., New York, 1993, 735-742.
  7. Sif-Eddine Moubarik, D. De Vadder, Ph. Benoist, "Wavelets and Nondestructive Evaluation ", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 12, D. O. Thompson and D. P. Chimenti eds., New York, 1993, 727-734.
  8. M. Qurak et al., "Theoretical and experimental study of composite materials using longitudinal ultrasonic spectroscopy", Rev. of Progress in QNDE, Vol. 12B, p. 1217, 1993.
  9. Y. Bar-Cohem et al., "Ultrasonic Testing Applications in Advanced Materials and Process. Ultrasonic Pulse-Echo and Trough Transmission Tests", NDT Testing Hand, II Ed., Vol. 7, UT, Sec. 15, p. 516.

© AIPnD , created by NDT.net |Home|    |Top|