High temperature oxidation of a commercial Cr‐Mn austenitic steel in air | Zendy

Gesmundo F. | Zendy; De Asmundis C. | Zendy; Battilana G. | Zendy; Ruedl E. | Zendy

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High temperature oxidation of a commercial Cr‐Mn austenitic steel in air

Author(s) -

Gesmundo F.,

De Asmundis C.,

Battilana G.,

Ruedl E.

Publication year - 1987

Publication title -

materials and corrosion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.487

H-Index - 55

eISSN - 1521-4176

pISSN - 0947-5117

DOI - 10.1002/maco.19870380705

Subject(s) - chromia , manganese , chromium , austenite , metallurgy , materials science , high temperature corrosion , corrosion , alloy , microstructure

The oxidation of an austenitic steel containing 18% chromium and 12.3% manganese at 800‐1000°C in air occurs at a slower rate than that of a steel containing 9.5% chromium and 17.5% manganese. However, the rate of corrosion of this 18% chromium alloy is still large in comparison with the case of formation of a continuous chromia scale at the base of the scale layer. This result is attributed to the negative effect of the manganese on the thermodynamic stability of Cr 2 O 3 .

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