Wideband low frequency generation and detection of Lamb and Rayleigh waves using electromagnetic acoustic transducers (EMATs)

Ultrasonics

Volumn 42, Issue 10, 2004, Pages 1129-1136

  Dixon, S ^a   Palmer, S B ^a  

^a UNIVERSITY OF WARWICK   (United Kingdom)

Author keywords

EMAT; Lamb wave; Non contact ultrasound; Rayleigh wave

Indexed keywords

APPROXIMATION THEORY; ELECTRIC RESISTANCE; ELECTROACOUSTIC TRANSDUCERS; PIEZOELECTRIC TRANSDUCERS; RAYLEIGH FADING; SAMPLING;

ELECTROMAGNETIC TRANSDUCER (EMAT); LAMB WAVE; NON-CONTACT ULTRASOUND; RAYLEIGH WAVE;

ULTRASONIC WAVES;

EID: 3042573408     PISSN: 0041624X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ultras.2004.02.019     Document Type: Article

References (16)

1. Frost H.M. Electromagnetic-ultrasonic transducer: principles, practice and applications. Mason W.P., Thurston R.N. Physical Acoustics XIV. 1979;179-275 Academic, New York.
2. Dobbs E.R. Electromagnetic generation of ultrasonic waves. Mason W.P., Thurston R.N. Physical Acoustics X. 1973;127-189 Academic, New York.
3. Kawashima K. Theory and numerical calculations of the acoustic field produced in metal by an electromagnetic ultrasonic transducer. J. Acoust. Soc. Am. 60:1976;1089-1099.
4. Maxfield B.W., Fortunko C.M. The design and use of electromagnetic- acoustic wave transducers (EMATs). Mater. Eval. 41:1983;1399-1408.
5. Viktorov I.A. Rayleigh and Lamb waves. 1967;Plenum, New York.
6. Thompson R.B., Lee S.S., Smith J.F. Relative anisotropies of plane-waves and guided modes in orthorhombic plates - implications for texture characterisation. Ultrasonics. 25:1987;133-137.
7. Dixon S., Edwards C., Palmer S.B. Texture measurements of metal sheets using wideband electromagnetic acoustic transducers (EMATs). J. Phys. D: Appl. Phys. 35:2002;816-824.
8. Thompson R.B. Generation of horizontally polarised shear waves in ferromagnetic materials using magnetostrictively coupled meander-coil electromagnetic acoustic transducers. Appl. Phys. Lett. 34:1979;175-177.
9. Ogi H. Field dependence of coupling efficiency between electromagnetic field and ultrasonic bulk waves. J. Appl. Phys. 82:1997;3940-3949.
10. Hirao M., Fukuoka H., Miura Y. Scattering of Rayleigh surface-waves by edge cracks - numerical-simulation and experiment. J. Acoust. Soc. Am. 72:1982;602-606.
11. Cooper J.A., et al. Surface acoustic-wave interactions with cracks and slots - a noncontacting study using lasers. IEEE Trans. Ultrason. Ferr. 33:1986;462-470.
12. Takagi T., Bowler J.R., Yoshida Y. Electromagnetic Nondestructive Evaluation. 1997;IOS, Amsterdam.
13. Sophian A., et al. Electromagnetic and Eddy current NDT: a review. Insight. 43:2001;308-313.
14. Achenbach J.D. Wave propagation in elastic solids. 1973;North-Holland, Amsterdam.
15. Kawashima K. Quantitative calculation and measurement of longitudinal and transverse ultrasonic pulses in solids. IEEE Trans. Sonics Ultrason. SU-31:1984;83-94.
16. Dixon S., Edwards C., Palmer S.B. High accuracy non-contact ultrasonic thickness gauging of aluminium sheet using electromagnetic acoustic transducers (EMATs). Ultrasonics. 39:2001;445-453.