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Study on Mechanical and Thermal Properties of Tio2/Epoxy Resin Nanocomposites
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 Title & Authors
Study on Mechanical and Thermal Properties of Tio2/Epoxy Resin Nanocomposites
Kim, Bu-Ahn; Moon, Chang-Kwon;
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 Abstract
The purpose of this study was to improve the properties of epoxy resin using titanium oxide nanoparticles. The effects of particle weight fraction, dispersion agent, and curing agents with different molecular weights on the thermal and mechanical properties of titanium-oxide-reinforced epoxy resin were investigated. In addition, the effect of the particle dispersion condition on the mechanical properties of nanocomposites was studied. As a result, it was found that the glass transition temperature of film-shaped nanocomposites decreased with an in-crease in the nanoparticle content. Because nanoparticles interrupted the cross linkage between the epoxy resin and the amine curing agent, the cross-link density of the epoxy became lower and led to a decrease in in the nanocompo-sites. The tensile strength and modulus in film-shaped nanocomposites also increased with the particles content. But in the case of dog-bone-shaped nanocomposites, the values were not similar to the trend for the film-shaped nanocompo-sites. This was probably a result of the different nanoparticles dispersions in the epoxy resins resulting from the respective-thicknesses of the film and dog-bone-shaped samples.
 Keywords
Nanocomposites;Cluster;Dispersion agent;Tensile strength;Nanoindentation test;Particle weight fraction;Curing agent;Glass transition temperature ();
 Language
English
 Cited by
1.
Nanoparticle Effect on Durability of Carbon fiber/Epoxy Composites in Saline Water Environment, Journal of Ocean Engineering and Technology, 2014, 28, 1, 64  crossref(new windwow)
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