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High temperature corrosion evaluation and lifetime prediction of porous Fe22Cr stainless steel in air in temperature range 700–900 °C
Abstract
This work describes a high temperature corrosion kinetics study of ~30% porous Fe22Cr alloys. The surface area of the alloy (~0.02 m2 g-1) has been determined by tomographic microscopy. The weight gain of the alloys was studied by isothermal thermogravimetry in the air for 100 hours at 700 - 900 °C. Breakaway oxidation was observed after oxidation at 850 °C (~100 hours) and 900 °C (~30 hours). The lifetime prediction shows the investigated porous alloy can be used for >3000 hours at temperatures <700 °C. At temperatures ≥700 °C, the lifetime of the porous alloy is limited by the available chromium reservoir.
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Authors (6)
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Małgorzata Makowska Dr.
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F. Marone
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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CORROSION SCIENCE
no. 189,
ISSN: 0010-938X - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Koszelow D., Makowska M., Karczewski J., Jasiński P., Marone F., Molin S.: High temperature corrosion evaluation and lifetime prediction of porous Fe22Cr stainless steel in air in temperature range 700–900 °C// CORROSION SCIENCE -Vol. 189, (2021), s.109589-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.corsci.2021.109589
- Sources of funding:
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- Project Corrosion of Porous Alloys
- Verified by:
- Gdańsk University of Technology
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