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Defect Identification by Ultrasonic Tomography in Polymers

S.K.Singhal
H.B.Technological Institute, Kanpur
S.K.Rathore, N.N.Kishore, N.G.R.Iyengar and P.Munshi
Indian Institute of Technology, Kanpur-208016 India
e-mail:sks@iitk.ac.in
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1. Introduction

2. Numerical Simulation

3. Experimental setup and technique

4. CT Algorithm and Technique

5. Results and Discussion

Conclusions

References

  1. .Jansen D.P.,.Hutchins D.A and Young R.P., "Lamb wave tomography of advanced composite Laminates containing Damage"Ultrasonic 1994 vol. 32 No 2 pp 83-89.
  2. Kak A.C., " computerized tomography with X-ray Emission and Ultrasonic Sources" Proceedings of IEEE 67 (9) 1979, 1245-75.
  3. Censor Y, " Finite Series- Expeansion Reconstruction Methods" Proceedings of IEEE, Vol.71 1983 pp 409-419.
  4. Anderson A.H.,and Kak A.C., "Digital ray tracing in two-dimensional refractive index fields" Jr. of Accoustical Society of America , 72(5) 1982, pp 1593-1606.
  5. Denis F. Basset O. and Gimenez G., Ultrasonic transmission tomography in refractive media:Reduction of refraction artifacts by curved ray techniques, IEEE Trans. On Medical imaging, 14(1) 1995, 173-88.
  6. Tomikawa Y. " Non destructive Inspection of wooden Poles using Ultrasonic Tomogrphy" IEEE Trans. UFFC, Vol.33 1986 pp 354-358.
  7. Yamada H."Application of ultrasonic Computed Tomography to Nondestructive Inspection of SiO2 Ingot" Journal of Accoustical Society of America vol 69, 1978 pp 571-572
  8. .Subbarao P.M.V.,. Munshi P.and Murlidhar K., "Performance evaluation of tomographic algorithms applied to reconstruction of a three dimensional temperature field," Numerical heat transfer part B 31, 1997.

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