Experimental Investigation on Hard Rock Breaking with Fiber Laser: Surface Failure Characteristics and Perforating Mechanism

<div>Comparison between quartz content and glazed degree of rock. (a) Quartz content in original rock. (b) Glazed degree of the rock after laser irradiation.</div>

Advances in Civil Engineering

fig5

Figure 5

Figure 5: Experimental Investigation on Hard Rock Breaking with Fiber Laser: Surface Failure Characteristics and Perforating Mechanism 