Figure 6

The morphology of (a,b,c) inclusions in 304 stainless steel containing 0% Y after immersion at 0 s, 5 s, 2 min, 5 min, 10 min. (a) (Al,Mn)O inclusions, (b) Al₂O₃ inclusions wrapped in (Al,Mn)O inclusions, (c) (Al,Mn,Si)O inclusions wrapped in (Al,Mn)O inclusions.