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Element mapping of a complex oxy-sulfide inclusion in steel


Figure 1: SE image, SEM and X-ray maps for Fe, O, Al, Mg, Si, Mn and Ca, scale bars: 10 µm.

Inclusion name: Complex inclusions
Record No.: 461
Inclusion formula: No data
Inclusion type (Macro/Micro/Nano): Micro
Inclusion type (Exogenous/Indigenous): Indigenous
Inclusion classification: Oxide, sulfide, nitride
Inclusion composition in weight %: No data
Sample: Ovako steel
Steel composition in weight %: 0.97% C, 0.10% Si, 0.29% Mn, 0.015% P, 1.42% Cr, 0.13% Ni, 0.03% Mo, 0.17% Cu, 0.004% V, 0.027% Al, 0.0008% S.
Note: Complex non-metallic inclusions are considered to have at least a combination of oxide-sulfide or oxide-carbonitride or sulfide-carbonitride inclusions. Therefore, the detected complex inclusions in the samples were classified into the following five groups: Al2O3-CaO-S, Al2O3-MgO-(Mn,Ca)S, Al2O3-MgO-MnS, MnS-(Ti,V)CN and Al2O3-(TiV)CN.
Reference: Not shown in this demo version.