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Abstract The high temperature oxidation behavior of medium chromium ferritic stainless steels containing different contents of alloying elements, cerium (Ce) and tungsten (W) was explored at 1200 oC for 2… Click to show full abstract
Abstract The high temperature oxidation behavior of medium chromium ferritic stainless steels containing different contents of alloying elements, cerium (Ce) and tungsten (W) was explored at 1200 oC for 2 h in air. Under this oxidation condition, breakaway oxidation did not occur in all the specimens. A multilayer oxide film formed on all of the four steels, showing spinel oxide (Cr, Mn)3O4 on top of the Cr2O3 layer. A discontinuous SiO2 layer existed at oxide/metal interface. The top layer Cr-Mn spinel oxide exerts significant influence on the oxidation behavior of Fe-Cr alloys. The addition of cerium and tungsten has little influence on the oxidation behavior of ferritic stainless steels.
Journal Title: Procedia Manufacturing
Year Published: 2018
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