Mechanical, Thermal, and Microstructural Analysis of Polyvinyl Alcohol/Montmorillonite Nanocomposites

Table 2

Comparison of maximum, minimum, average, and one standard deviation (STD dev.) of the mean for the tensile modulus data tested at 1 mm/min and 50 mm/min.

Value	Pure PVA	1 vol. %	3 vol. %	5 vol. %	10 vol. %	25 vol. %	Rate (mm/min)
Maximum (MPa)	1502	2750	3631	1539	1039	1913	1.0
Minimum (MPa)	792	2211	2940	526	812	1183
Average (MPa)	1072	2431	3233	1018	928	1564
STD dev.	378	283	358	507	114	366
Maximum (MPa)	2572	4096	3346	1379	6501	8884	50.0
Minimum (MPa)	1671	3251	2671	1071	3640	4979
Average (MPa)	2064	3640	2966	1195	5055	6919
STD dev.	462	425	345	162	1403	1952