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Properties of B4C–PbO–Al(OH)3-epoxy nanocomposite prepared by ultrasonic dispersion approach for high temperature neutron shields

Authors
Journal
Journal of Nuclear Materials
0022-3115
Publisher
Elsevier
Volume
445
Identifiers
DOI: 10.1016/j.jnucmat.2013.10.051

Abstract

Abstract High functional epoxy nanocomposites with three different filler materials, i.e., B4C, PbO, and Al(OH)3, were fabricated using an effective fabrication method consisting of an ultrasonic dispersion of nanoparticles in low-viscosity hardener and a subsequent mixing of a hardener-nanoparticle colloid with epoxy resins. It was confirmed that this approach provided not only an uniform dispersion but also an excellent wetting with enhanced interfacial adhesion of nano-particulate fillers within the matrix. By incorporating those three fillers, a synergistic effect was verified in multiple properties such as mechanical strength properties, thermal degradation, flame retardancy, and radiation shielding performance.

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