Oxidation study of Fe-8Cr-10Ni-(0-3)Si-(0-6)Mo alloys |
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| Authors: | James C Rawers |
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| Affiliation: | (1) United States Department of the Interior, Albany Research Center, Bureau of Mines, Albany, Oregon;(2) Department of Mechanical Engineering, Oregon State University, Corvallis, Oregon |
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| Abstract: | Mechanisms are proposed to explain the oxidation rate behavior of Fe-8Cr-10Ni alloys to which varying amounts of either Si (0–3%) or Mo (0–6%), or both have been added. The formation and breakdown of a silica sublayer cause significant changes in the oxidation mechanism. The formation of the silica depends on preformation of a Cr2O3 outer layer. The addition of Mo enhances the oxidation protection of Fe-Si alloys by producing an Fe-Mo-Si precipitate in the base metal. |
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| Keywords: | Oxidation silicides mechanism rates actuation energy |
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