Thermal Response and Mechanical Behaviors of Compact Basalts Induced by Microwave Irradiation

Table 2

Testing results of ultrasonic wave velocity induced by microwave irradiation.

Power/kW	Exposure time/s	P-wave velocity/(m/s)	Mean value/(m/s)	Absolute deviation	Relative deviation (%)	Standard deviation/(m/s)	Coefficient of variation (%)
Nontreated	0	5783.26	5730.81	52.4567	0.9153	44.7247	0.7804
		5767.12		36.3167	0.6337
		5642.03		88.7733	1.5491
1	60	5324.95	5256.97	67.9833	1.2932	36.6391	0.6970
		5267.48		2.6800	0.0509
		5178.47		86.3300	1.6398
	150	4321.57	4280.12	41.4500	0.9684	16.9219	0.3954
		4259.48		20.6400	0.4822
		4259.31		20.8100	0.4862
	300	3544.15	3504.17	39.9833	1.1410	20.0682	0.5727
		3508.94		4.7733	0.1362
		3459.41		44.7567	1.2772
3	30	4925.78	4856.51	52.4567	0.9153	44.7247	0.9209
		4748.37		36.3167	0.6337
		4895.37		88.7733	1.5491
	50	4458.49	4321.81	69.2733	1.4264	74.2618	1.7183
		4357.42		108.1367	2.2266
		4149.52		38.8633	0.8002
	90	3746.84	3687.04	136.6800	3.1626	35.7317	0.9691
		3601.79		35.6100	0.8240
		3712.48		172.2900	3.9865
5	10	5346.59	5264.80	88.7733	1.5491	34.3500	0.6524
		5206.78		81.7900	1.5535
		5241.03		58.0200	1.1020
	20	4655.13	4611.01	23.7700	0.4515	18.5595	0.4025
		4579.45		44.1167	0.9568
		4598.46		31.5633	0.6845
	30	4126.79	4107.59	12.5533	0.2722	8.2566	0.2010
		4103.48		19.2033	0.4675
		4092.49		4.1067	0.1000