Numerical simulation of modification of non-metallic inclusions by calcium treatment in the argon-stirred ladle

Inclusion cleanliness in the metallic alloys

Open Access

Table 1

List of chemical species in the liquid steel and in the gas phases.

Liquid steel (continuous phase)		Gas (discrete phase)
Dissolved elements		Dissolved elements
Fe, Al, Mn, Si, Ca, Mg, C, S, O		Ar, Ca
Non-metallic inclusions
Liquid inclusion	MnO + SiO₂ + Al₂O₃ + CaO + MgO
Ca aluminates^a	A, CA₆, CA₂, CA, C₁₂A₇, C₃A
Spinels	MgO•Al₂O₃, MnO•Al₂O₃
Sulfides	CaS, MgS, MnS, CrS

C stands for CaO and A stands for Al₂O₃ in Ca aluminate inclusions.

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