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Abstract
Pre-oxidation of porous ferritic Fe22Cr alloys was extensively studied in this paper. Weight gain measurements and SEM analysis revealed that pre-oxidation performed at 900◦C for 40 min increased the lifespan of the alloy. A Cr evaporation study did not disclose any significant influence of the pre-oxidation process on the Cr content in the alloy. For a more detailed assessment, TEM imaging and X-ray tomography measurements of pre-oxidized samples were performed. These analyses showed that alteration in the grain and grain boundary diffusion fluxes might be the key for explaining the corrosion prevention role of pre-oxidation.
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Authors (7)
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Małgorzata Makowska Dr.
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F. Marone
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Grzegorz Cempura dr inż.
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Matthieu Tomas
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Jan Froitzheim
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.corsci.2024.112129
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
CORROSION SCIENCE
no. 234,
pages 112 - 129,
ISSN: 0010-938X - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Koszelow D., Makowska M., Marone F., Cempura G., Tomas M., Froitzheim J., Molin S.: Pre-oxidation of porous ferritic Fe22Cr alloys for lifespan extension at high-temperature// CORROSION SCIENCE -,iss. 234 (2024), s.112-129
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.corsci.2024.112129
- Sources of funding:
-
- Project Corrosion of Porous Alloys
- Verified by:
- Gdańsk University of Technology
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