Figure 7
From: Acoustic emission characteristics and damage evolution of basalt by microwave irradiation
Basalt samples after microwave radiation: (a) Untreated; (b) at 1.5kW for 10 min; (c) at 2.7kW for 10 min; (d) at 3.9 kW for 10 min; (e) at 1.5kW for 34 min; (f) at 2.7 kW for 18.88 min; (g) at 3.9 kW for 13.08 min; (h) at 5.1 kW for 10 min.
