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  • The effect of pre-oxidation and the influence of deformation on the corrosion behaviour of two heat resistant steels in a sulphur-oxygen-carbon bearing environment


The influence of pre-oxidation on the corrosion resistance of the austenitic steels AC 66 (Fe-32Ni-27Cr-0.07Ce) and Alloy 800H (Fe-32Ni-20Cr) was studied in a sulphur-oxygen-carbon bearing atmosphere at 700 C. For AC 66 the corrosion resistance was improved significantly by pre-oxidation, whereas this effect was less marked for Alloy 800H. This can be explained by a much better adherence of the preformed oxide scale for AC 66. The corrosion resistance is shown to decrease by superimposed deformation, which leads to deeply penetrating intergranular corrosion paths.

Additional information

Authors: STROOSNIJDER M F, JRC Ispra (IT);GUTTMANN V, JRC Petten (NL);BUSCAIL H, Université de Bourgogne, Dijon (FR);DE WIT J H W, Delft University of Technology (NL)
Bibliographic Reference: Article: Corrosion Science, Vol. 36 (1994) No. 2, pp. 207-219
Record Number: 199410364 / Last updated on: 1994-11-28
Original language: en
Available languages: en
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