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

Table 6

Testing results of Poisson’s ratio induced by microwave irradiation.

Power/kW	Exposure time/s	Poisson’s ratio	Mean value	Absolute deviation	Relative deviation (%)	Standard deviation	Coefficient of variation (%)
Nontreated	0	0.288	0.2853	0.0027	0.9346	0.0026	0.9099
		0.279		0.0063	2.2196
		0.289		0.0037	1.2850
1	60	0.2826	0.2798	0.0028	0.9887	0.0018	0.6534
		0.2815		0.0017	0.5956
		0.2754		0.0044	1.5843
	150	0.2811	0.2722	0.0089	3.2823	0.0039	1.4310
		0.2706		0.0016	0.5756
		0.2648		0.0074	2.7067
	300	0.2734	0.2649	0.0085	3.2088	0.0047	1.7894
		0.2538		0.0111	4.1903
		0.2675		0.0026	0.9815
3	30	0.2816	0.2802	0.0014	0.4877	0.0018	0.6455
		0.2832		0.0030	1.0586
		0.2759		0.0043	1.5463
	50	0.271	0.2687	0.0023	0.8435	0.0021	0.7659
		0.2715		0.0028	1.0295
		0.2637		0.0050	1.8730
	90	0.2649	0.2575	0.0074	2.8871	0.0032	1.2315
		0.2518		0.0057	2.2009
		0.2557		0.0018	0.6862
5	10	0.283	0.2783	0.0047	1.6766	0.0030	1.0889
		0.281		0.0027	0.9581
		0.271		0.0073	2.6347
	20	0.259	0.2533	0.0057	2.2368	0.0024	0.9549
		0.252		0.0013	0.5263
		0.249		0.0043	1.7105
	30	0.251	0.2491	0.0019	0.7627	0.0062	2.4892
		0.2351		0.0140	5.6202
		0.2612		0.0121	4.8575