Interdigital Piezopolymer Transducers for Time of Flight Measurements with Ultrasonic Lamb Waves on Carbon-Epoxy Composites under Pure Bending Stress

<div>(a) Phase velocity dispersion curves for a 4 mm thick CFRP cross-ply [0°/90°] laminate with superimposing our interdigital transducer characteristics and operating frequency; (b) group velocity dispersion curves for a 4 mm thick CFRP cross-ply [0°/90°] laminate.</div>

Journal of Sensors

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Figure 3: Interdigital Piezopolymer Transducers for Time of Flight Measurements with Ultrasonic Lamb Waves on Carbon-Epoxy Composites under Pure Bending Stress 

Figure 3 | Interdigital Piezopolymer Transducers for Time of Flight Measurements with Ultrasonic Lamb Waves on Carbon-Epoxy Composites under Pure Bending Stress 