Influence of temperature on the atmospheric corrosion of the Mg–Al alloy AM50
Journal article, 2015
The effect of temperature on the NaCl-induced atmospheric corrosion of the Mg–Al alloy AM50 has been investigated in the laboratory. The corroded samples were analyzed gravimetrically and by SEM, EDX, XRD, and FTIR. The atmospheric corrosion of 99.97% Mg was also studied for reference. While the NaCl-induced atmospheric corrosion of AM50 is strongly reduced with decreasing temperature, 99.97% Mg does not exhibit such a trend. The temperature dependence of the atmospheric corrosion of alloy AM50 is attributed to the aluminum content in the alloy. Several crystalline magnesium hydroxy carbonates formed at 4 and 22 °C but were absent at −4 °C.
Author
Mohsen Esmaily
Chalmers, Chemistry and Chemical Engineering, Energy and Material
Mehrdad Shahabi Navid
Chalmers, Chemistry and Chemical Engineering, Energy and Material
Jan-Erik Svensson
Chalmers, Chemistry and Chemical Engineering, Energy and Material
Mats Halvarsson
Chalmers, Applied Physics, Materials Microstructure
Lars Nyborg
Chalmers, Materials and Manufacturing Technology
Yu Cao
Chalmers, Materials and Manufacturing Technology, Surface and Microstructure Engineering
Lars-Gunnar Johansson
Chalmers, Chemistry and Chemical Engineering, Energy and Material
Corrosion Science
0010-938X (ISSN)
Vol. 90 420-433Areas of Advance
Energy
Materials Science
Subject Categories
Metallurgy and Metallic Materials
DOI
10.1016/j.corsci.2014.10.040