Abstract
In this work we investigate an example of combining the thermal insulation properties of porous oxide material with the exceptional thermal conductivity properties of graphene flakes. Blocks were prepared using the original sol–gel method, with fumed silica and water glass as the main components, to form a porous glass foam matrix by heat treatment at 450 °C. The microstructure of the samples was determined by scanning electron microscopy, Raman spectroscopy and X-ray diffraction. The thermal and mechanical properties of the samples were also analysed and discussed with respect to their potential applications as novel thermo-smart composite materials.
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