Effect of BaO and MgO on structure and properties of aluminate slag with various CaO/Al2O3 ratios

To provide theoretical guidance for performance stability control of low-reactive mold fluxes, the effects of BaO and MgO on the structure and properties of aluminate slag with various CaO/Al2O3 (C/A) ratios were investigated using the Fourier transform infrared spectrometer, Raman spectroscope, hemispherical melting point instrument, rotational viscometer and X-ray diffractometer. The results indicated that with BaO and MgO addition, the structure polymerization was first weakened and then enhanced at C/A of 1.1, and the transition contents corresponded to 8 wt.