LAMB WAVE VELOCITY MEASUREMENT FOR EVALUATION OF COMPOSITE PLATES

1 January 1989

journal article
research article
Published by Taylor & Francis in Nondestructive Testing Communications

Vol. 4 (4) , 109-120
https://doi.org/10.1080/02780898908962149

Abstract

A simple method of measuring Lamb wave phase velocities is used to characterize laminated composite plates. Transverse cracks in the 90^° plies of a [90/90/90/0]_s laminate appear to reduce the velocity of the lowest antisymmetric Lamb mode.

Keywords

LAMB WAVES
LAMINATED COMPOSITE PLATES
TRANSVERSE CRACKS
DISPERSION CURVES
WAVE PROPAGATION
NONDESTRUCTIVE MEANS

This publication has 4 references indexed in Scilit:

Low Frequency Flexural Wave Propagation in Laminated Composite Plates
Published by Springer Nature ,1988
Leaky Lamb waves in fibrous composite laminates
Journal of Applied Physics, 1985
High Frequency Vibrations of Thin Crystal Plates
Physical Review B, 1945
On waves in an elastic plate
Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, 1917