The Effect of Lamb Wave Interaction with Fatigue Crack in Thin Al Sheet

Abstract:

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The phenomenon of the Lamb wave interaction with fatigue crack in Al2024-T3 sheet was investigated at cyclic loading. Mentioned effect is associated with the crack open/close that change acoustic impedance of a crack. Analytical simulation of fatigue crack opening using the generalized Dugdale’s model of a crack in thin plate shows good accordance between the intensity of ultrasonic signal and a crack opening.

Info:

Periodical:

Key Engineering Materials (Volumes 488-489)

Edited by:

Z. Tonković and M.H. Aliabadi

Pages:

65-68

DOI:

10.4028/www.scientific.net/KEM.488-489.65

Citation:

V. Pavelko et al., "The Effect of Lamb Wave Interaction with Fatigue Crack in Thin Al Sheet", Key Engineering Materials, Vols. 488-489, pp. 65-68, 2012

Online since:

September 2011

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Price:

$35.00

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