Thermally Induced Bistable Functionally Graded Nanocomposite Plate

Table 10

Corner out-of-plane displacements and snap-through forces of FG-CNTRC laminates with different volume fraction exponents of SWCNTs (upper layer). “—” means that a stable shape does not exist for this case.

FG-CNTRC	Volume fraction exponent		Corner out-of-plane displacement (m)		Snap-through force (N)
	n0	n90	Stable I	Stable II	Stable I	Stable II
FGO-0.28	1	0.6	−0.02609	0.03556	2.254	−6.345
		0.8	−0.03079	0.03550	3.787	−5.974
		1.0	−0.03544	0.03544	5.570	−5.571
		1.2	−0.04011	0.03540	7.611	−5.153
		1.4	−0.04483	0.03538	9.894	−4.689
		1.6	−0.04961	0.03543	12.430	−4.234
		1.8	−0.05443	0.03558	15.217	−3.748
FGO-0.17	1	0.6	−0.01120	0.01726	0.307	−1.612
		0.8	−0.01433	0.01722	0.756	−1.461
		1.0	−0.01714	0.01714	1.292	−1.292
		1.2	−0.01986	0.01699	1.918	−1.106
		1.4	−0.02258	0.01677	2.629	−0.907
		1.6	−0.02532	0.01645	3.430	−0.701
		1.8	−0.02810	0.01595	4.315	−0.487
FGX-0.28	1	0.6	−0.03631	0.01919	8.276	−1.051
		0.8	−0.03451	0.02633	7.214	−3.373
		1.0	−0.03238	0.03238	6.002	−6.003
		1.2	−0.02983	0.03812	4.629	−8.925
		1.4	−0.02661	0.04373	3.068	−12.141
		1.6	−0.02199	0.04926	1.267	−15.658
		1.8	—	0.05476	—	−19.499
FGX-0.17	1	0.6	−0.01995	—	2.615	—
		0.8	−0.01892	0.01360	2.155	−0.715
		1.0	−0.01770	0.01770	1.653	−1.652
		1.2	−0.01619	0.02131	1.113	−2.698
		1.4	−0.01408	0.02474	0.541	−3.842
		1.6	—	0.02808	—	−5.085
		1.8	—	0.03139	—	−6.422
FGX-0.12	1	0.6	−0.01450	—	1.048	—
		0.8	−0.01376	0.00959	0.841	−0.219
		1.0	−0.01286	0.01286	0.617	−0.616
		1.2	−0.01166	0.01559	0.378	−1.059
		1.4	−0.00979	0.01812	0.129	−1.546
		1.6	—	0.02057	—	−2.078
		1.8	—	0.02296	—	−2.652