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

<div>Experimental set-up; (a) bottom view of sample with the sensors; (b) cross section of sample; 1: longitudinal gage, 2: transversal gage, 3: gage used to compensate the thermal drift, 4: CFRP stress-free sample, 5: power amplifier, and 6: low noise amplifier.</div>

Journal of Sensors

fig9

Figure 9

Figure 9: Interdigital Piezopolymer Transducers for Time of Flight Measurements with Ultrasonic Lamb Waves on Carbon-Epoxy Composites under Pure Bending Stress 

Figure 9 | Interdigital Piezopolymer Transducers for Time of Flight Measurements with Ultrasonic Lamb Waves on Carbon-Epoxy Composites under Pure Bending Stress 