International audienceThis work focuses on the effect of alloyed sulphur as MnS inclusions in austenitic stainless steels. AISI 304L and AISI 303 were oxidized at 1000 degrees C in synthetic air. The high sulphur grade, AISI 303, presents a breakaway oxidation with formation of nodules with an inner part composed of alternated layers of Fe-rich and Cr-rich oxides. During oxidation, MnS inclusions near the metal/oxide interface are partially dissociated. Manganese is incorporated in the oxide. The sulphur is trapped in Cr,Mn-oxysulphide aggregates which formation leads to a local decrease of the Cr concentration and consequently to the formation of non-protective Fe-rich oxide
International audienceThe influence of the martensitic transformation onmicroscale plastic strain heterogeneity of a duplexstainless steel has been investigated. Microscale strainheterogeneities were measured by digital image correlationduring an in situ tensile test within the SEM. Themartensitic transformation was monitored in situ duringtensile testing by high-energy synchrotron X-ray diffraction.A clear correlation is shown between the plasticity-induced transformation of austenite to martensiteand the development of plastic strain heterogeneities atthe phase level
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.