Durable Glass-Ceramic Coatings for Foam Glass

Autores: Smeacetto, F.|Salvo, M.|Ventrella, A|Rizzo, S.|Ferraris, M.
Fuente: Int. j. app. glass sci.doi: 10.1111/j.2041-1294.2011.00071.x

This work describes the design and development of two new silica-based glass-ceramic coatings, suitable to be applied as slurries on a foam glass substrate. The coating process was optimized for both compositions, according to their sintering behavior. Scanning electron microscopy (SEM) observations and coefficient of thermal expansion (CTE) measurements revealed a good thermomechanical compatibility between the foam glass substrate and both coatings. The proposed coatings showed excellent chemical durability: no weight loss was observed after soaking in distilled water at 90°C for 16 days.

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