Abstract

The paper presents the effect of ground glass (GG) particles on the water absorption and tensile properties of epoxy. The GG particles contents in the epoxy were 0, 5, 10 and 15% (by volume). The results showed that the GG particles in the epoxy changed the water absorption behaviour from Fickian to non-Fickian. At the GG particles content of 15%, the equilibrium water uptake increased almost double, but the diffusion rate decreased by about 85% compared to the unfilled epoxy. In dry condition, the tensile strength tended to decrease with increasing the GG particles content, by about 11% at the GG content of 15% compared to that of the unfilled epoxy; however, the elastic modulus tended to increase linearly with the GG content. In wet condition, up to the GG content of 10%, the tensile strength decreased by about 77% compared to that of the unfilled epoxy; however, at the GG particles content of 15%, the tensile properties were improved.

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