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The influence of Si...
The influence of Si on the primary protection of lean FeCrAl model alloys in O2 and O2+H2O at 600 °C: A microstructural investigation
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- Asokan, Vijayshankar, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Eklund, Johan, 1991 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bigdeli, Sedigheh, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Jonsson, Torbjörn, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Elsevier BV, 2021
- 2021
- English.
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In: Corrosion Science. - : Elsevier BV. - 0010-938X. ; 179
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Abstract
Subject headings
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- The present study investigates the influence of Si on the high-temperature corrosion behavior of lean FeCrAl model alloys in O2 and O2+H2O at 600 °C. The addition of Si prevented breakaway oxidation in O2+H2O which may be explained by the increased Al-content and reduced Cr-content in the oxide (O2) as well as the Si-enrichment in the outer part of the scale (O2+H2O). A proposed explanation for the impact of Si-addition on the Cr- and Al-content was given by thermodynamic calculations which showed that the presence of Si increases the activity of Al in the alloy while reducing the activity of Cr.
Subject headings
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Korrosionsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Corrosion Engineering (hsv//eng)
Keyword
- A. Silicon
- B. SEM
- C. High temperature corrosion
- A. FeCrAl
- C. Thermodynamic diagrams
- B. STEM
Publication and Content Type
- art (subject category)
- ref (subject category)
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