Experimental and Numerical Study on Characterization and Evaluation of Surface Cracks with Wireless Ultrasonic Sensor

Figure 8

Waveform comparison between experimental and simulation results. (a) Waveform obtained from undamaged scenario. (b–e) Waveform obtained when the depth of artificial crack is 0.40 mm, 1.27 mm, 2.29 mm, and 3.05 mm, respectively.

(a)

(b)

(c)

(d)

(e)