High temperature oxidation of austenitic stainless steels: effect of sulfur content on scale adhesion

V. Parry (1) , E. Fedorova (2) , C. Pascal (1) , M. Braccini (1) , M. Mantel (1) , D. Oquab (3) , D. Monceau (3) , Y. Wouters (1)

1 SIMaP - Science et Ingénierie des Matériaux et Procédés
2 ISV - Institut des sciences du végétal
3 CIRIMAT - Centre interuniversitaire de recherche et d'ingenierie des matériaux

Two austenitic stainless steels, AISI 304L and AISI 303, containing 0.025 and 0.249 wt%S were oxidized in thermobalance at 1000°C for 50h. The chemical composition and the crystallographic structure of the oxide scales were investigated by Raman spectroscopy. Adhesion of oxide scales was tested by SEM in situ tensile tests. A correlation between the specific mass change, the chemistry, the microstructure and the adhesion properties is made and results are discussed in relation with sulphur concentration in the alloy.

Domaines: Matériaux

V. Parry, E. Fedorova, C. Pascal, M. Braccini, M. Mantel, et al.. High temperature oxidation of austenitic stainless steels: effect of sulfur content on scale adhesion. International Symposium On High Temperature Oxidation And Corrosion (ISHOC 2014), Jun 2014, Hakodate, Japan. ⟨hal-01960952⟩