TY JOUR TI COMPOSITE MATERIAL BASED ON MAGNESIA BINDER AND IRON ORE CONCENTRATE KW magnesia binders KW caustic magnesite KW iron ore concentrate KW magnetite KW hematite KW magnesium chloride KW water resistance KW microstructure KW pore colmatation KW RFA KW DTA KW SEM KW pH. JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Klimenko, V.. AU Chernyshev, A.Z. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov