Crystallization and sintering behavior of phlogopite-soda lime composite

Sintering of (Soda-lime) glass, by means of 20-40 wt.% phlogopite, has been studied. According to TG and FT-IR, water loss of composite s by 8 wt.%, up to 1000 °C, caused the bloating and reduced the relative density. Dissolution of phlogopite with Diopside crystallization was detected up to 900 °C. Hardness of composites was increased by phlogopite content from 320 to 694 H_V and flexural strength was obtained in the range of 30-80 MPa.