Abstract

In the current study, mica glass-ceramic materials were produced by basalts including other oxides forming glass structure apart from SiO2 thanks to sintering method, and sintering-machining properties were investigated. For better properties, the composition prepared with some additives such as B2O3, MgO, K2O, and MgF2 was exposed to mixing and grinding process by Al2O3 ball mill for 2 h. The mixture sieved by 75 μm sieves was shaped by one axial pressing under 110 MPa load; obtained cylindrical specimens were sintered at 900 – 1200 °C for 1 h. X ray diffraction analysis (XRD) and Scanning electron microscopy (SEM) were used for characterization. Furthermore, machining tests were carried out. The results showed that suitable sintering and machining were determined.

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