Research on Fracture Characteristics and Energy Dissipation of Hard Rock under the Excitation of Ultrasonic Vibration

<div>Energy evolution in rock breaking stimulated by ultrasonic vibration. (a) Energy evolution curve. (b) Energy dissipation coefficient evolution curve.</div>

Geofluids

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Figure 18

Figure 18: Research on Fracture Characteristics and Energy Dissipation of Hard Rock under the Excitation of Ultrasonic Vibration 