Non-metallic inclusions Slags 2 non-metallic inclusions 2 Alumina 1 Aluminum oxide 1 Atmospheric temperature 1 Automated inclusion analyse 1 Computational thermodynamics 1 Continuous casting 1 Covering material 1 Electric conductivity 1 Electrical conductivity 1 Electro-slag remelting 1 Energy utilization 1 Energy-consumption 1 Fill ratios 1 High-quality materials 1 Inclusion analysis 1 Liquid metals 1 Magnesia 1 Melt rate 1 Molten materials 1 Powder metals 1 Remelting 1 Rice hull ash 1 Silicates 1 Slag compositions 1 Slag temperature 1 Sodium Aluminate 1 Steel castings 1