Parallel projection and crosshole Lamb wave contact scanning tomography

Journal of the Acoustical Society of America

Volumn 106, Issue 5, 1999, Pages 2568-2577

  McKeon, James C P ^a   Hinders, Mark K ^b  

^a Sonix Inc   (United States)

^b The College of William and Mary   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHM; ARTICLE; AUTOMATION; FREQUENCY ANALYSIS; MEASUREMENT; PIEZOELECTRICITY; PRIORITY JOURNAL; TECHNIQUE; THICKNESS; TOMOGRAPHY; WAVEFORM;

EID: 0032692846     PISSN: 00014966     EISSN: None     Source Type: Journal    
DOI: 10.1121/1.428088     Document Type: Article

References (142)

1. W. Wright, D. Hutchins, D. Jansen, and D. Schindel, "Air-coupled Lamb wave tomography," IEEE Trans. Ultrason. Ferroelectr. Freq. Control 44(1), 53 (1997).
2. D. P. Jansen, D. A. Hutchins, and J. T. Mottram, "Lamb wave tomography of advanced composite laminates containing damage," Ultrasonics 32 No. 2, 83 (1994).
3. D. A. Hutchins, D. P. Jansen, and C. Edwards, "Lamb wave tomography using non-contact transduction," Ultrasonics 31, 97 (1993).
4. Y. Nagata, J. Huang, J. D. Achenbach, and S. Krishnaswamy, "Lamb wave tomography using laser-based ultrasonics," in Review of Progress in QNDE, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol 14, p. 561.
5. F. L. Degertekin, J. Pei, B. T. Khuri-Yakub, and K. C. Saraswat, "In situ acoustic temperature tomography of semiconductor wafers," Appl. Phys. Lett. 64(11), 1338(1994).
6. H. Lamb, "On waves in an elastic plate," Proc. R. Soc. London XCIII, 114 (1917).
7. D. C. Worlton, "Experimental confirmation of Lamb waves at megacycle frequencies," J. Appl. Phys. 32, 967 (1961).
8. J. D. Achenbach, Wave Propagation in Elastic Solids (North-Holland, New York, 1973).
9. J. A. Hudson, The Excitation and Propagation of Elastic Waves (Cambridge University Press, Cambridge, 1980).
10. L. M. Brekhovskikh, Waves in Layered Media (Academic, New York, 1960).
11. J. Miklowitz, Elastic Waves and Waveguides (North-Holland, New York, 1978).
12. K. F. Graff, Wave Motion in Elastic Solids (Dover, New York, 1980).
13. H. Kolsky, Stress Waves in Solids (Dover, New York, 1963).
14. B. A. Auld, Acoustic Fields and Waves in Solids, 2nd ed. (Robert E. Krieger, Malabar, FL, 1990).
15. Elastic Waves and Ultrasonic Nondestructive Evaluation, edited by S. K. Datta, J. D. Achenbach, and Y. S. Rajapakse (North-Holland, New York, 1990).
16. Y. H. Pao and C. C. Mow, Diffraction of Elastic Waves and Dynamic Stress Concentrations (Crane-Russak/Adam Hilger, New York, 1973).
17. I. A. Viktorov, Rayleigh and Lamb Waves (Plenum, New York, 1967).
18. S. G. Pierce, B. Culshaw, and Q. Shan, "Laser generation of ultrasound using a modulated continuous wave laser diode," Appl. Phys. Lett. 72(9), 1030 (1998).
19. Z. Quo, J. D. Achenbach, and S. Krishnaswamy, "EMAT generation and laser detection of single Lamb wave modes," Ultrasonics 35,423 (1997).
20. Y. Nagata, J. Huang, J. D. Achenbach, and S. Krishnaswamy, "Lamb wave tomography using laser-based ultrasonics," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 561.
21. R. C. Addison and A. D. W. McKie, "Generation and detection of single mode Lamb waves using laser-based ultrasound," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 521.
22. W. M. D. Wright, D. A. Hutchins, A. Gachagan, and G. Hayward, "Evaluation of fiber-reinforced composites using a non-contact laser/air-transducer system," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 1333.
23. M. Oksanen, J. Stor-Pellinen, and M. Luukkala, "Determining mechanical properties of cardboard from photoacoustic Lamb wave transmission data" in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 1649.
24. N. A. Schumacher and C. P. Burger, "Frequency based analysis methods for laser generated and detected Lamb Waves" in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 157.
25. R. D. Costley and Y. H. Berthelot, "Dispersion curve analysis of laser-generated Lamb waves," Ultrasonics 32(4), 249 (1994).
26. L. Noui and R. J. Dewhurst, "A laser beam deflection technique for the quantitative detection of ultrasonic Lamb waves," Ultrasonics 31(6), 425 (1993).
27. R. D. Costley and Y. H. Berthelot, "Laser generation of Rayleigh and Lamb waves for ultrasonic nondestructive testing" in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1993), Vol. 12, p. 579.
28. C. Edwards, A. Al-Kassim, and S. B. Palmer, "Laser ultrasound for the study of thin sheets," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1993), Vol. 12, p. 539.
29. S. E. Bobbin, J. W. Wagner, and R. C. Cammarata, "Interpretation of laser-generated low-order Lamb waves for elastic modulus measurements in thin films," Ultrasonics 30, 87 (1992).
30. N. A. Schumacher, P. H. Gien, and C. P. Burger, "Analysis of transient Lamb waves on metal plates, composite panels and curved members," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 1569.
31. K. Yamanaka and Y, Nagata, "Generation of dispersive acoustic waves by the phase velocity scanning of a laser beam," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 633.
32. H. Nakano and S. Nagai, "Laser generation of antisymmetric Lamb waves in thin plates," Ultrasonics 29, 230 (1991).
33. J. B. Spicer, A. D. W. McKie, and J. W. Wagner, "Quantitative theory for laser ultrasonic wave in a thin plate," Appl. Phys. Lett. 57, 1882 (1990).
34. D. A. Hutchins, K. Lundgren, and S. B. Palmer, "laser study of transient Lamb waves in thin materials," J. Acoust. Soc. Am. 85(4), 1441 (1989).
35. R. J. Dewhurst, C. Edwards, A. D. W. McKie, and S. B. Palmer, "Estimation of the thickness of thin metal sheets using laser generated ultrasound," Appl. Phys. Lett. 51, 1066 (1987).
36. E. Moreno and P. Acevedo, "Thickness measurement in composite materials using Lamb waves," Ultrasonics 35, 581 (1998).
37. C. Bescond and M. Deschamps, "Dynamical surface response of a semi-infinite anisotropic elastic medium to an impulsive force," J. Acoust. Soc. Am. 103(1), 114(1998).
38. B. Zhang, W. Xiong, M. Yu, C. Q. Lan, and L. Li, "Study of energy distribution of guided waves in multilayered media," J. Acoust. Soc. Am. 103(1), 125 (1998).
39. Y.-S. Wang and Z.-M. Zhang, "Propagation of Love waves in a transversely isotropic fluid-saturated porous layered half-space," J. Acoust. Soc. Am. 103(2), 695 (1998).
40. A. N. Darinskii, "Leaky waves and the elastic wave resonance reflection on a crystal-thin solid layer interface. II. Leaky waves given rise to by exceptional bulk waves," J. Acoust. Soc. Am. 103(4), 1845 (1998).
41. A. A. Mesquida, J. A. Otero, and R. R. Ramos, "Wave propagation in layered piezoelectric structures," J. Appl. Phys. 83(9), 4652 (1998).
42. A. N. Darinskii, "Leaky waves and the elastic wave resonance reflection on a crystal-thin solid layer interface," J. Acoust. Soc. Am. 102(1), 283 (1997).
43. X. Jia, "Normal-mode theory of nonspecular phenomena for a finite-aperture ultrasonic beam reflected from layered media," Appl. Phys. Lett. 70(3), 309(1997).
44. 3 with thin overlayers," Appl. Phys. Lett. 70(16), 2100 (1997).
45. E. Moulin, J. Assaad, C. Delebarre, H. Kaczmarek, and D. Balageas, "Piezoelectric transducer embedded in a composite plate: Application to Lamb wave generation," J. Appl. Phys. 82(5), 2049 (1997).
46. J. Zhu, A. H. Shah, and S. K. Datta, "Modal representation of wave propagation and scattering in an anisotropic plate," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 569.
47. S. P. Pelts and J. L. Rose, "Acousto-ultrasonic source influence in an anisotropic layer," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 1257.
48. P. J. Shull, D. E. Chimenti, and S. K. Datta, "Elastic guided waves and the Floquet concept in periodically layered plates," J. Acoust. Soc. Am. 95, 99 (1994).
49. P. J. Shull, D. E. Chimenti, S. K. Datta, and J. H. Ju, "Considerations for elastic plate wave inspection of bilayered plates," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 1407.
50. M. D. Seale, B. T. Smith, W. H. Prosser, and J. E. Masters, "Lamb wave response of fatigued composite samples," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 1261.
51. M. D. Seale and B. T. Smith, "Lamb wave propagation in thermally damaged composites," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1996), Vol. 15, p. 261.
52. A. K. Mal, S.-S. Lih., and Y. Bar-Cohen, "Characterization of the elastic constants of unidirectional laminates using oblique-incidence pulsed data," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 1149.
53. H.-T. Chien, S.-H. Sheen, and A. C. Raptis, "Theoretical studies of wave propagation in multilayered piezoelectric media," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 219.
54. C. L. Yapura and V. K. Kinra, "Lamb waves in an isotropic solid-fluid bilayer," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 203.
55. D. P. Jansen, D. A. Hutchins, and J. T. Mottram, "Lamb wave tomography of advanced composite laminates containing damage," Ultrasonics 32(2), 83 (1994).
56. D. E. Chimenti, "Lamb waves in microstructured plates," Ultrasonics 32(4), 255 (1994).
57. J. Laperre and W. Thys, "Experimental and theoretical study of Lamb wave dispersion in aluminum/polymer bilayers," J. Acoust. Soc. Am. 94, 268 (1993).
58. P.-C. Xu, K.-E. Lindenschmidt, and S. A. Meguid, "A new high-frequency analysis of coatings using leaky Lamb waves," J. Acoust. Soc. Am. 94, 2954 (1993).
59. H.-T. Chien, S.-H. Sheen and A. C. Raptis, "An acousto-ultrasonic NDE technique for monitoring material anisotropy," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1993), Vol. 12, p. 1225.
60. A. H. Nayfeh and H.-T. Chien, "The influence of piezoelectricity on free and reflected waves from fluid-loaded anisotropic plates," J. Acoust. Soc. Am. 91, 1250 (1992).
61. J. Laperre and W. Thys, "Experimental and theoretical study of elastic wave dispersion in a liquid bilayer," J. Acoust. Soc. Am. 92, 908 (1992).
62. A. H. Nayfeh and H.-T. Chien, "Wave propagation interaction with free and fluid-loaded piezoelectric substrates," J. Acoust. Soc. Am. 91, 3126 (1992).
63. N. Guo and P. Cawley, "Lamb waves for the NDE of composite laminates," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 1443.
64. A. K. Mal and S.-S. Lib, "Wave field produced in a composite laminate by a concentrated surface force," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 137.
65. V. Dayal and V. K. Kinra, "Leaky Lamb waves in an anisotropic plate. II: Nondestructive evaluation of matrix cracks in fiber-reinforced composites," J. Acoust. Soc. Am. 89, 1590 (1991).
66. A. H. Nayfeh, "The general problem of elastic wave propagation in multilayered anisotropic media," J. Acoust. Soc. Am. 89, 1521 (1991).
67. A. H. Nayfeh and D. E. Chimenti, "Elastic wave propagation in fluid-loaded multiaxial anisotropic media," J. Acoust. Soc. Am. 89, 542 (1991).
68. D. E. Chimenti and R. W. Martin, "Nondestructive evaluation of composite laminates by leaky Lamb waves," Ultrasonics 29, 13 (1991).
69. D. E. Chimenti and A. H. Nayfeh, "Ultrasonic reflection and guided wave propagation in biaxially laminated composite plates," J. Acoust. Soc. Am. 87, 1409 (1990).
70. V. Dayal and V. K. Kinra, "Leaky Lamb waves in an anisotropic plate. I: An exact solution and experiments," J. Acoust. Soc. Am. 85, 2268 (1989).
71. B. Tang and E. G. Henneke, "Lamb-wave monitoring of axial stiffness reduction of laminated composite plates," Mater. Eval. 48, 928 (1989).
72. A. H. Nayfeh and D. E. Chimenti, "Ultrasonic wave reflection from liquid-coupled orthotropic plates with application to fibrous composites," J. Appl. Mech. 55, 863 (1988).
73. D. E. Chimenti and A. H. Nayfeh, "Anomalous ultrasonic dispersion in fluid-coupled, fibrous composite plates," Appl. Phys. Lett. 49(9), 492 (1986).
74. D. E. Chimenti and A. H. Nayfeh, "Leaky Lamb waves in fibrous composite laminates," J. Appl. Phys. 58(12), 4531 (1985).
75. T. Kundu, A. Maji, T. Ghosh, and K. Maslov, "Detection of kissing bonds by Lamb waves," Ultrasonics 35, 573 (1998).
76. D. W. Schindel, D. S. Forsyth, D. A. Hutchins, and A. Fahr, "Air-coupled ultrasonic NDE of bonded aluminum lap joints," Ultrasonics 35, 1 (1997).
77. L. Singher, "Bond strength measurement by ultrasonic guided waves," Ultrasonics 35, 305 (1997).
78. L. Singher, Y. Segal, and J. Shamir, "Interaction of a guided wave with a nonuniform adhesion bond," Ultrasonics 35, 385 (1997).
79. D. A. Sotiropoulos, "Guided elastic waves in pre-stressed solids for the ultrasonic characterization of interfacial zones," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 195.
80. J. L. Rose, A. Pilarski, and K. M. Rajana, "Ultrasonic guided waves for lap splice joint inspection in aging aircraft," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 1417.
81. J. C. Johnson, R. B. Thompson, and E. E. Jamieson, "Determination of Rayleigh and Lamb wave velocities in diamond films using an acoustic microscope," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 1805.
82. L. Singher, Y. Segal, and E. Segal, "Considerations in bond strength evaluation by ultrasonic guided waves," J. Acoust. Soc. Am. 96, 2497 (1994).
83. J. L. Rose, A. Pilarski, K. Rajana, and J. J. Ditri, "Coating influence on generation and reception of ultrasonic lamb type plate waves," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 1903.
84. K. J. Sun and P. H. Johnston, "Disbond detection in bonded aluminum joints using Lamb wave amplitude and time-of-flight," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 1507.
85. A. Pilarski, J. L. Rose, J. Ditri, D. Jiao, and K. Rajana, "Lamb wave mode selection for increased sensitivity to interfacial weakness of adhesive bonds," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1993), Vol. 12, p. 1579.
86. K. J. Sun and P. H. Johnston, "Mode conversions of Lamb waves for inspection of disbonds," Proceedings of the 1992 IEEE Ultrasonics Symposium (IEEE, New York), p. 763.
87. S. I. Rokhlin, "Lamb wave interaction with lap-shear adhesive joints: Theory and experiment," J. Acoust. Soc. Am. 89, 2758 (1991).
88. S. I. Rokhlin and Y. J. Wang, "Analysis of boundary conditions for elastic wave interaction with an interface between two solids," J. Acoust. Soc. Am. 89, 503 (1991).
89. P.-C. Xu and S. K. Datta, "Guided waves in a bonded plate: A parametric study," J. Appl. Phys. 67, 6779 (1990).
90. A. Pilarski, "Ultrasonic evaluation of the adhesion degree in layered joints," Mater. Eval. 43, 765 (1985).
91. A. H. Nayfeh, D. E. Chimenti, L. Adler, and R. L. Crane, "Ultrasonic leaky waves in the presence of a thin layer," J. Appl. Phys. 52(8), 4985 (1981).
92. S. Rokhlin, "Diffraction of Lamb waves by a finite crack in an elastic layer," J. Acoust. Soc. Am. 67, 1157 (1980).
93. R. S. C. Monkhouse, P. D. Wilcox, and P. Cawley, "Flexible interdigital PVDF transducers for the generation of Lamb waves in structures," Ultrasonics 35, 489 (1997).
94. N. A. Losin, "Asymptotics of Hexural waves in isotropie elastic plates," J. Appl. Mech. 64, 337 (1997).
95. M. de Billy, "On the scattering of antisymmetric edge modes," J. Acoust. Soc. Am. 101(6), 3261 (1997).
96. O. Poncelet and M. Deschamps, "Lamb waves generated by complex harmonic inhomogeneous plane waves," J. Acoust. Soc. Am. 102(1), 292 (1997).
97. P. Zinin, O. Lefeuvre, G. A. D. Briggs, B. D. Zeller, P. Cawley, J. Kinloch, and G. E. Thompson, "Anomalous behaviour of leaky surface waves for stiffening layer near cutoff," J. Appl. Phys. 82(3), 1031 (1997).
98. P. Kielczynski, "Attenuation of love waves in low-loss media," J. Appl. Phys. 82(12), 5932 (1997).
99. D. M. Benson, P. Karpur, T. E. Matikas, and T. Kundu, "Experimental generation of Lamb wave dispersion using Fourier analysis of leaky modes," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 187.
100. B. Pavlakovic, J. L. Rose, and J. J. Ditri, "Finite size and specimen thickness influence in acousto-ultrasonic nondestructive evaluation," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 1037.
101. V. Dayal, "Automated Lamb wave measurements," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 189.
102. D. Alleyne and P. Cawley, "The practical excitation and measurement of Lamb waves using piezoelectric transducers," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 181.
103. A. Pilarski, J. J. Ditri, K. Rajana, and J. L. Rose, "Utilization of non-zero-order symmetric lamb wave modes at the first critical angle," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1994), Vol. 13, p. 173.
104. S. G. Joshi and Y. Jin, "Electromechanical coupling coefficients of ultrasonic Lamb waves," J. Acoust. Soc. Am. 94, 261 (1993).
105. Q. Zhu and W. G. Mayer, "On the crossing points of Lamb wave velocity dispersion curves," J. Acoust. Soc. Am. 93, 1893 (1993).
106. O. Lenoir, J. Duclos, J. M. Conoir, and J. L. Izbicki, "Study of Lamb waves based on the frequency and angular derivatives of the phase of the reflection coefficient," J. Acoust. Soc. Am. 94, 330 (1993).
107. D. A. Hutchins, D. P. Jansen, and C. Edwards, "Lamb-wave tomography using non-contact transduction," Ultrasonics 31, 97 (1993).
108. D. N. Alleyne, T. P. Pialucha, and P. Cawley, "A signal regeneration technique for long-range propagation of dispersive Lamb waves," Ultrasonics 31(3), 201 (1993).
109. I.-T. Lu, H. L. Bertoni, and H.-Y. Chen, "Coupling of plate waves at joints," J. Acoust. Soc. Am. 92, 510 (1992).
110. P. Pareige, F. Luppé, and J. Ripoche, "Scattering of Lamb waves at the edge of a semi-infinite plate embedded in water," J. Acoust. Soc. Am. 92, 1056 (1992).
111. J. J. Ditri, J. L. Rose, and G. Chen, "Mode selection criteria for defect detection optimization using Lamb waves," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, 2109.
112. S. E. Bobbin, J. W. Wagner, and R. C. Cammarata, "Determination of the flexural modulus of thin films from measurement of the first arrival of the symmetric Lamb wave," Appl. Phys. Lett. 59, 1544 (1991).
113. D. Alleyne and P. Cawley, "A two-dimensional Fourier transform method for the measurement of propagating multimode signals," J. Acoust. Soc. Am. 89, 1159 (1991).
114. M. R. Karim, A. K. Mal, and Y. Bar-Cohen, "Inversion of leaky-Lamb wave data by simplex algorithm," J. Acoust. Soc. Am. 88, 482 (1990).
115. M. de Billy and I. Molinero, "On the nonobservance of nonspecular bounded beam reflection effects of Lamb waves," J. Acoust. Soc. Am. 83, 1249 (1988).
116. N. Vasudevan and A. K. Mal, "Response of an elastic plate to localized transient sources," J. Appl. Mech. 52, 356 (1985).
117. M. K. T. Hansch, K. M. Rajana, and J. L. Rose, "Flaw classification potential in tubing with guided waves," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 803.
118. D. Alleyne and P. Cawley, "The long range detection of corrosion in pipes using Lamb waves," in Review of Progress in Quantitative Non-destructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 2073.
119. E. I. Madaras, T. Kohl, and W. P. Rogers, "Material property characterization and pulse propagation in thin drawn wire waveguides," Proceedings of the 1992 IEEE Ultrasonics Symposium (IEEE, New York), p. 957.
120. K. J. Sun and W. P. Winfree, "Propagation of acoustic waves in a copper wire embedded in a curing epoxy," Proceedings of the 1987 IEEE Ultrasonics Symposium (IEEE, New York), p. 439.
121. T. K. Locken, "Lamb and torsional waves and their use in flaw detection in tubes," Ultrasonics 11, 31 (1973).
122. C. Pecorari, "Rayleigh wave dispersion due to a distribution of semi-elliptical surface-breaking cracks," J. Acoust. Soc. Am. 103(3), 1383 (1998).
123. L. Wang and J. Shen, "Scattering of elastic waves by a crack in an isotropic plate," Ultrasonics 35, 451 (1997).
124. O. I. Lobkis and D. E. Chimenti, "Elastic guided waves in plates with surface roughness. I. Model calculation," J. Acoust. Soc. Am. 102(1), 143 (1997).
125. O. I. Lobkis and D. E. Chimenti, "Elastic guided waves in plates with surface roughness. II. Experiments," J. Acoust. Soc. Am. 102(1), 150 (1997).
126. T. K. Kapoor and H. Schmidt, "Acoustic scattering from a three-dimensional protuberance on a thin, infinite, submerged elastic plate," J. Acoust. Soc. Am. 102(1), 256 (1997).
127. A. N. Norris and C. Vemula, "Scattering of flexural waves on thin plates," J. Sound Vib. 181, 115 (1995).
128. A. Safaeinili and R. A. Roberts, "An efficient approximate model for elastic wave scattering in plates," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 147.
129. K. J. Sun, D. Kishoni, and P. H. Johnston, "Feasibility of using Lamb waves for corrosion detection in layered aluminum aircraft structures," in Proceedings of the 1993 Ultrasonics Symposium (IEEE, New York), p. 733 (1993).
130. T.-T. Wu and J.-H. Gong, "Application of transient elastic waves to the nondestructive evaluation of plate structure with cavity or inclusion," J. Acoust. Soc. Am. 94, 1453 (1993).
131. N. Guo and P. Cawley, "The interaction of Lamb waves with delaminations in composite laminates," J. Acoust. Soc. Am. 94, 2240 (1993).
132. I. N. Komsky and J. D. Achenbach, "Application of a self-calibrating ultrasonic technique to the detection of fatigue cracks by the use of Lamb waves," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1993), Vol. 12, p. 2167.
133. K. J. Sun, "Application of guided acoustic waves to delamination detection," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 1213.
134. S. W. Liu, S. K. Datta, and A. H. Shah, "Transient scattering of Rayleigh-Lamb waves by surface-breaking and buried cracks in a plate," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 73.
135. J. Wu and Z. Zhu, "The interfacial mass detection with Lamb-wave sensors," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 1051.
136. G. S. Verdict, P. H. Gien, and C. P. Burger, "Finite element study of Lamb wave interactions with holes and through thickness defects in thin metal plates," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1992), Vol. 11, p. 97.
137. K. J. Sun and P. H. Johnston, "Effect of rivet rows on propagation of Lamb waves in mechanically fastened two-layer aluminum plates," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1995), Vol. 14, p. 1569.
138. M. K. Hinders, "Lamb wave scattering from rivets," in Review of Progress in Quantitative Nondestructive Evaluation, edited by D. O. Thompson and D. E. Chimenti (Plenum, New York, 1996), Vol. 15, p. 209.
139. M. K. Hinders and J. C. P McKeon, "Lamb wave scattering for aging aircraft NDT," in Proceedings of the Fifth Annual Research Symposium (ASNT, Columbus, 1996).
140. A. C. Kak and M. Slaney, Principles of Computerized Tomographic Imaging (IEEE, New York, 1988).
141. F. L. Paillet and C. H. Cheng, Acoustic Waves in Boreholes (CRC, Boca Raton, 1991).
142. K. A. Dines and R. J. Lytle, "Computerized geophysical tomography," Proc. IEEE 67(7), 1065 (1979).