Figure 5
Scanning electron micrograph of the surface of the sample obtained from Micro-punching experiment. (a) Non-ultrasonic punching experiment. (b) Micro-USF punching experiment.
Figure 5 | Scientific Reports
Scanning electron micrograph of the surface of the sample obtained from Micro-punching experiment. (a) Non-ultrasonic punching experiment. (b) Micro-USF punching experiment.
