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Exploring the Effec...
Exploring the Effect of Silicon on the High Temperature Corrosion of Lean FeCrAl Alloys in Humid Air
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- Sand, Tommy, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Edgren, Aina, 1995 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Geers, Christine, 1982 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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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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- Helander, T. (author)
- Kanthal AB
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- Svensson, Jan-Erik, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johansson, Lars-Gunnar, 1952 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2021-01-22
- 2021
- English.
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In: Oxidation of Metals. - : Springer Science and Business Media LLC. - 1573-4889 .- 0030-770X. ; 95:3-4, s. 221-238
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Abstract
Subject headings
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- A new approach to reduce the chromium and aluminium concentrations in FeCrAl alloys without significantly impairing corrosion resistance is to alloy with 1-2 wt.% silicon. This paper investigates the "silicon effect" on oxidation by comparing the oxidation behavior and scale microstructure of two FeCrAl alloys, one alloyed with silicon and the other not, in dry and wet air at 600 degrees C and 800 degrees C. Both alloys formed thin protective oxide scales and the Cr-evaporation rates were small. In wet air at 800 degrees C the Si-alloyed FeCrAl formed an oxide scale containing mullite and tridymite together with alpha- and gamma-alumina. It is suggested that the reported improvement of the corrosion resistance of Al- and Cr-lean FeCrAl's by silicon alloying is caused by the appearance of Si-rich phases in the scale.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Annan materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Other Materials Engineering (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
- FeCrAl Alloy
- Cr-evaporation
- Oxidation
- Silicon
- Mullite
Publication and Content Type
- art (subject category)
- ref (subject category)
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Sand, Tommy, 198 ...
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Edgren, Aina, 19 ...
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Geers, Christine ...
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Asokan, Vijaysha ...
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Eklund, Johan, 1 ...
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Helander, T.
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Svensson, Jan-Er ...
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Johansson, Lars- ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Other Materials ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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and Metallurgy and M ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Chemical Enginee ...
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and Corrosion Engine ...
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Oxidation of Met ...
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Chalmers University of Technology