Sinterização de vidros silicatos

Abstract

The generation of vitreous waste, by modern society, reaches high values stemming from a modern lifestyle associated with the rapid use and disposal of packaging. The use of waste for the production of new applications plays a fundamental role due to related socio-environmental problems. Glass, in general, is a material with high chemical stability and marked thermal characteristics. Therefore, degradation or recycling processes become challenging because they require large time slots or high energy consumption to occur. Methodologies for processing powders, focused on metallurgy, can be applied to consolidate particulates. Thus, sintering in a resistive kiln is a simple approach, since it allows particle compaction and pore formation in the specimens of silicate glasses. The objective of this work is to determine the porosity of the test specimens of silicate glasses by resistive furnace sintering by varying temperature, time and grain size, using the pycnometry method to calculate the density and pore number of the sintered specimens . In addition, for the experiments, we used the textit MiniTab 18 software which elaborates a factorial design. Thus, it was possible to evaluate that the experiments are valid and significant for the porosity.