Thermal Expansion Kinetics Of Glauconite-Based Aluminosilicate Composites: Mass Loss Analysis And Temperature Optimization

This article focuses on the thermal behavior of G1 series geopolymer composites based on Changi glauconite modified with SiC and basalt.The mass loss of the samples during firing in the range 700-900 C was studied, which is a direct indicator of the intensity of gas evolution and, consequently, swelling.The quantitative mass loss data obtained demonstrate a sharp increase in gas evolution at high temperatures and with the use of a blowing agent.It was found that firing at 700-900C for the combined G1-2Si-2B sample results in the maximum mass loss (66.5%), indicating the optimal thermal regime for achieving minimum density.

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