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Characterization of...
Characterization of pack cemented Ni(2)Al(3 )coating exposed to KCl(s) induced corrosion at 600 degrees C
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- Dahl, K. V. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Slomian, Andreas, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lomholt, T. N. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark,FORCE Technology
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- Kiamehr, S. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Grumsen, F. B. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Montgomery, M. (author)
- Danmarks Tekniske Universitet,Technical University of Denmark
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- Jonsson, Torbjörn, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2017-10-26
- 2018
- English.
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In: Materials at High Temperatures. - : Informa UK Limited. - 0960-3409 .- 1878-6413. ; 35:1-3, s. 267-274
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Abstract
Subject headings
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- Oxidation of Ni2Al3 produced by pack aluminizing of pure nickel was studied with and without 0.10 mg cm(-2) KCl(s) deposit in an environment containing 5% O-2, 40% H2O and 55% N-2 at 600 degrees C for up to 168 h. Oxide microstructure and composition was investigated by SEM/EDX, BIB, TEM and GDOES. Oxidised Ni2Al3 shows minimal weight gain, while adding KCl results in a small weight loss consistent with evaporation of KCl. On the surface of samples exposed to the gas environment only, a 30 nm oxide of Al oxide was present, but where KCl was present as deposit, 50-250 nm thick nodules form that are enriched in K, O and Al.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Bearbetnings-, yt- och fogningsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Manufacturing, Surface and Joining Technology (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Korrosionsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Corrosion Engineering (hsv//eng)
Keyword
- KCl
- Nickel aluminide
- high temperature corrosion
- electron microscopy
- 600 degrees C
Publication and Content Type
- art (subject category)
- ref (subject category)
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