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NaCl-Induced Atmosp...
NaCl-Induced Atmospheric Corrosion of the MgAl Alloy AM50-The Influence of CO2
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- Shahabi Navid, Mehrdad, 1986 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Esmaily, Mohsen, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Svensson, Jan-Erik, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Halvarsson, Mats, 1965 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Nyborg, Lars, 1958 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Cao, Yu, 1969 (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)
- 2014-04-12
- 2014
- English.
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In: Journal of the Electrochemical Society. - : The Electrochemical Society. - 1945-7111 .- 0013-4651. ; 161:6, s. C277-C287
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http://dx.doi.org/10...
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Abstract
Subject headings
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- The NaCl-induced atmospheric corrosion of the MgAl alloy AM50 has been investigated using 99.97% Mg as reference. Polished samples were exposed up to 672 h in 95.0% RH air with 400 ppm or 0 ppm CO2 at 22.00°C. Samples were analyzed gravimetrically and by SEM/EDX, XRD and XPS. CO2 inhibited atmospheric corrosion with alloy AM50 corroding 6–7 times faster in the absence of CO2. Brucite and meixnerite (Mg6Al2(OH)18 × 4.5H2O) formed in the absence of CO2. In the presence of CO2 and NaCl three magnesium-hydroxy-carbonates, giorgiosite, hydromagnesite and Mg5(CO3)4(OH)2 × 8H2O formed. The influence of CO2 on the electrochemical corrosion process is discussed.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Korrosionsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Corrosion Engineering (hsv//eng)
Keyword
- XPS
- BIB
- Atmospheric Corrosion
- SEM
- MgAl alloy
- XRD
Publication and Content Type
- art (subject category)
- ref (subject category)
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Shahabi Navid, M ...
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Esmaily, Mohsen, ...
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Svensson, Jan-Er ...
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Halvarsson, Mats ...
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Nyborg, Lars, 19 ...
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Cao, Yu, 1969
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Johansson, Lars- ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Materials Engine ...
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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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Chalmers University of Technology