The effect of complex defect profiles on the reflection of the fundamental torsional mode in pipes

NDT and E International

Volumn 46, Issue 1, 2012, Pages 41-47

  Carandente, Rosalba ^a   Cawley, Peter ^a  

^a IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

Complex defects; Corrosion; Guided waves; Reflection coefficient

Indexed keywords

3-D DEFECTS; CIRCUMFERENTIAL DIRECTION; COMPLEX DEFECTS; CORROSION DEFECT; DEPTH PROFILE; FINITE DISCONTINUITY; GUIDED ULTRASONIC WAVES; GUIDED WAVE; IN-PIPE; REFLECTION COEFFICIENTS; SURFACE PROFILES; THREE-DIMENSIONAL (3D); TORSIONAL MODES;

CORROSION; CORROSION RATE; REFLECTION; THREE DIMENSIONAL;

SURFACE DEFECTS;

EID: 82355162895     PISSN: 09638695     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ndteint.2011.11.003     Document Type: Article

References (32)

1. Cohn S. Alaska pipeline problem signals future oil shortages; 12 January 2011, 5:07 PM ET, 〈www. CNBC.com〉.
2. G. Engelhardt, and D.D. Macdonald Deterministic prediction of pit depth distribution Journal, Corrosion (NACE) 54 6 1998 469 479 (Pubitemid 128479982)
3. D.N. Alleyne, and P. Cawley The interaction of lamb waves with defects IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 39 1992 381
4. J.J. Ditri Utilization of guided waves for the characterization of circumferential cracks in hollow cylinders Journal of the Acoustical Society of America 96 6 1994 3769 3775 (Pubitemid 24376453)
5. T. Grahn Lamb wave scattering from a circular partly through-thickness hole in a plate Wave Motion 37 2003 63 80 (Pubitemid 35431902)
6. D.N. Alleyne, B. Pavlakovic, M.J.S. Lowe, and P. Cawley Rapid, long range inspection of chemical plant pipework using guided waves Insight 43 2001 93 96 101 2001 (Pubitemid 32872795)
7. M.J.S. Lowe, D. Alleyne, and P. Cawley The mode conversion of a guided wave by a part-circumferential notch in a pipe Journal of Applied Mechanics 65 1998 649 656 (Pubitemid 128651884)
8. A. Demma, P. Cawley, M.J.S. Lowe, and A.G. Roosenbrand The reflection of the fundamental torsional mode from cracks and notches in pipes Journal of the Acoustical Society of America 114 2 2003 611 625 (Pubitemid 36959463)
9. W. Zhu A fem simulation for guided elastic wave generation and reflection in hollow cylinders with corrosion defects Journal of Pressure Vessel Technology 124 2002 108
10. D.N. Alleyne, M.J.S. Lowe, and P. Cawley The reflection of guided waves from circumferential notches in pipes Journal of Applied Mechanics 65 1998 635
11. H. Bai, A.H. Shah, N. Popplewell, and S.K. Datta Scattering of guided waves by circumferential cracks in steel pipes Journal of Applied Mechanics 68 2001 619
12. Cawley P, Lowe MJS, Simonetti F, Chevalier C, Roosenbrand AG. The variation of the reflection coefficient of extensional guided waves in pipes from defects as a function of defect depth, axial extent, circumferential extent and frequency. In: Proceedings of the institution of mechanical engineers; part B: Journal of Engineering Manufacture 216, 1131; 2002.
13. A. Demma, P. Cawley, M.J.S. Lowe, and A.G. Roosenbrand. The reflection of guided waves from notches in pipes: a guide for interpreting corrosion measurements NDT E International 37 2004 167
14. R. Carandente, J. Ma, and P. Cawley The scattering of the fundamental torsional mode from axi-symmetric defects with varying depth profile in pipes Journal of the Acoustical Society of America 127 4 2010 3440 3448
15. J. Ma, and P. Cawley Low-frequency pulse echo reflection of the fundamental shear horizontal mode from part-thickness elliptical defects in plates Journal of the Acoustical Society of America 127 6 2010 3485 3493
16. J.E. Gubernatis, E. Domany, J.A. Krumhansl, and M. Huberman The Born approximation in the theory of the scattering of elastic waves by flaws Journal of Applied Physics 48 1977 2812 2819
17. E. Domany, O. Entin-Wohlman, and L. Mizrachi Multiple scattering formalism: application to scattering by two spheres Journal of Applied Physics 56 1984 132 136 (Pubitemid 14629964)
18. P.J. Schafbuch, R.B. Thompson, and F.J. Rizzo Elastic scatterer interaction via generalized Born series and far-field approximations Journal of the Acoustical Society of America 93 1 1993 295 307 (Pubitemid 23117044)
19. M. Grøvlen, E. Bardal, S. Berge, K. Engesvik, P.J. Haagensen, and O. Ørjasæther Localized corrosion on offshore tubular structures: inspection and repair criteria Offshore Technology Conference 1989 277 288
20. A. Løvstad, and P. Cawley The reflection of the fundamental torsional mode from multiple small circular defects in pipes, vol. 30A, p.129-36 of Review of Progress in Quantitative NDE 2010 Plenum Press New York
21. Z. Liu, C. He, B. Wu, X. Wang, and S. Yang Circumferential and longitudinal defect detection using T(0, 1) mode excited by thickness shear mode piezoelectric elements Ultrasonics 44 2006 1135
22. M.J.S. Lowe Characteristics of the reflection of Lamb waves from defects in plates and pipes, vol. 17 of Review of Progress in Quantitative NDE 1998 Plenum Press New York
23. M.J.S. Lowe, D.N. Alleyne, and P. Cawley The mode conversion of a guided wave by a part-circumferential notch in a pipe Journal of Applied Mechanics 65 1998 649
24. M.J.S. Lowe, D.N. Alleyne, and P. Cawley Defect detection in pipes using guided waves Ultrasonics 36 1998 147
25. S.D. Cramer, and B.S. Covino ASM Handbook, vol. 13A - Corrosion: Fundamentals, Testing, and Protection 2003 ASM International
26. 2 corrosion of carbon steel, NACE International, paper 48; 1998.
27. Kvarekvål J. Morphology of localised corrosion attacks in sour environments. NACE International, paper 07659; 2007.
28. Løvstad A, Cawley P. The reflection of the fundamental torsional guided wave from multiple circular holes in pipes, NDT&E International, NDTEINT-D-11-00043, in press
29. E.N. Codaro, R.Z. Nakazato, A.L. Horovistiz, L.M.F. Ribeiro, R.B. Ribeiro, and L.R.O. Hein An image processing method for morphology characterization and pitting corrosion evaluation Materials Science Engineering A334 2002 298 306 (Pubitemid 34915665)
30. R.E. Melchers Pitting corrosion of mild steel in marine immersion environment Maximum Pit Depth, Corrosion 60 2004 824 836 (Pubitemid 39365030)
31. 〈http://www.guided-ultrasonics.com〉 (date last viewed 06/28/2011)
32. J. Davies, and P. Cawley The application of synthetic focusing for imaging crack-like defects in pipelines using guided waves IEEE Transactions on Ultrasonic Ferroelectrical Frequency Control 56 2009 759 771