Influences of Microwave Irradiation on the Physicomechanical Properties and Cerchar Abrasivity Index of Rocks

Table 3

Changes of the mass and volume of the basalt samples with the duration of microwave irradiation.

Duration (s)	Mass (g)			Volume (cm^3)
	Before microwave	After microwave	Change (%)	Before microwave	After microwave	Change (%)
10	253.601	253.598	0	89.11	89.11	0
20	262.632	262.610	-0.01	92.40	92.51	0.11
30	270.712	270.382	-0.12	94.73	95.04	0.32
40	268.925	268.376	-0.20	94.28	94.94	0.69
50	270.512	269.608	-0.35	94.86	95.63	0.81