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The appearance of sulfide inclusions and their position with respect to the grain boundaries in cast 38KhN3MFA and 45 steel are considered as a function of the type of reducing agents employed and the quantities introduced. In the reduction of steel by aluminum, sulfides are seen at the grain boundaries. When using silicocalcium, the sulfides are concentrated within the grains on account of the modifying...
The formation mechanism of the inclusions containing the spinel crystals has been developed based on the experimental results for the equilibrium between the Fe–16%Cr–14%Ni stainless steel melts and the inclusions as well as the compositions of the inclusions in the plant samples. In the laboratory experiments, the molar content of alumina in the inclusions linearly increases with increasing content...
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