Investigation of Theoretical Models for the Elastic Stiffness of Nanoparticle-Modified Polymer Composites

Table 1

Material properties of the amine-cured epoxy polymer and silica/epoxy nanocomposites, obtained from tensile testing and DMA testing.

Silica content		Tensile testing			DMA
wt%	vol%
		(GPa)	(MPa)	(%)	(GPa)	(°C)
0.0	0.0	2.61 ± 0.03	69 ± 4	4.8 ± 0.6	2.61 ± 0.03	186 ± 2
6.6	3.7	2.80 ± 0.05	68 ± 2	4.1 ± 0.2	2.87 ± 0.05	186 ± 2
13.4	7.8	3.04 ± 0.07	66 ± 2	3.5 ± 0.3	3.09 ± 0.03	187 ± 1
20.3	12.3	3.31 ± 0.08	69 ± 1	3.3 ± 0.2	3.37 ± 0.06	185 ± 1
27.5	17.2	3.68 ± 0.11	67 ± 4	2.7 ± 0.3	3.70 ± 0.05	182 ± 1