Research Article

Ultrasonic Characterization of the Fiber-Matrix Interfacial Bond in Aerospace Composites

Figure 7

(a) Part of the waveform containing the reflection from the fiber for stiff (  m/s) and loose (  m/s) interphase. (b) Subtraction of the two waveforms of (a). (c) Rectification of the waveform of (b).
154984.fig.007a
(a)
154984.fig.007b
(b)
154984.fig.007c
(c)