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We study the influence of the phase-structural state of austenitic (Fe–18Cr) and ferritic (Fe–11Cr) steels on their corrosion behavior in lead melts with low concentrations of dissolved oxygen ( C[O]Pb… Click to show full abstract
We study the influence of the phase-structural state of austenitic (Fe–18Cr) and ferritic (Fe–11Cr) steels on their corrosion behavior in lead melts with low concentrations of dissolved oxygen ( C[O]Pb = 2 ·10–6 –10–7 wt.%). The tests are performed at 550°С. It is shown that the ferritic steel is more corrosion resistant than the austenitic steel. Corrosion is accompanied by the dissolution of grain boundaries and penetration of melts into the bulk of the material with simultaneous dissolution of the alloying elements (Cr, Ni, and Mn).
Journal Title: Materials Science
Year Published: 2019
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