TY JOUR TI STRUCTURAL AND PHASE TRANSFORMATIONS IN THE FeO-SiO2 CaO-FeO I SYSTEM AT INFLUENCE OF HIGH TEMPERATURES KW iron oxides KW vyustit KW magnetite KW two-component systems KW calcium oxide KW silicon oxide KW thermal in-fluence KW structural and phase transformations JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Yastrebinskiy, R.N. AU Pavlenko , Z.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov