Materials and Corrosion
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Recently Published Articles
- Corrosion behavior of low-alloy steel used for pipeline at vapor-saturated CO2 and CO2-saturated brine conditions
Z.-G. Liu, X-H. Gao, L-X. Du, J.-P. Li and P. Li
Article first published online: 28 JAN 2016 | DOI: 10.1002/maco.201508705
Immersion experiment was carried out to investigate the CO2 corrosion behavior of low-alloy steel used for pipeline at vapor-saturated CO2 and CO2-saturated brine conditions. The results demonstrate that mass losses at both conditions are approximately linear to corrosion time with log scale, and the corrosion rate at vapor-saturated CO2 condition is greatly lower than that at CO2-saturated brine condition.
- Corrosion behaviour of 304L stainless steel and 5754 aluminium alloy for intermediate-level radioactive waste containers
B. André, B. Fiers, N. Creton, C. Dirand, D. Poinsot, S. Faure and S. Chevalier
Article first published online: 25 JAN 2016 | DOI: 10.1002/maco.201508736
Due to the formation of corrosive species during the storage of low- and intermediate-level radioactive waste, stainless steels are the most common materials used in the manufacture of container. This work investigates and compares a 304L stainless steel to a 5754 aluminum alloy. The objectives are to demonstrate that a 5754 AA is at least as resistant as stainless steel in particular conditions of wet corrosion by chlorides and nitrates.
- Effects of Zr, Nb, or Si addition on the microstructural, mechanical, and corrosion resistance of TiCN hard coatings
L. Constantin, M. Braic, M. Dinu, M. Balaceanu, V. Braic, C. Farcau and A. Vladescu
Article first published online: 25 JAN 2016 | DOI: 10.1002/maco.201508737
TiZrCN, TiNbCN, and TiSiCN coatings were prepared by the cathodic arc technique in a mixture of N2 and CH4 gases. TiNbCN coating showed the highest resistance to corrosion attack in 3.5% NaCl, due to its high adhesion to the steel substrate and to the lowest roughness. Ti-based carbonitride coatings with alloying elements are suitable coatings to reduce the corrosion processes of M2 HSS in NaCl aggressive environment.
- Applicability of the EPR-test to investigate the sensitization behavior of the heat resistant austenitic stainless steel TP310HCbN after stress relief heat treatment
S. Schmigalla and S. Schultze
Article first published online: 25 JAN 2016 | DOI: 10.1002/maco.201508772
Stress relief heat treatment during power plant commissioning can result in sensitization of superheater tubes made from heat resistant stainless steels like TP310HCbN. Due to several kinds of precipitates particular attention must be given to the source of information during the EPR-test. The results of the EPR-test are compared with the findings from microstructural analyses and the Strauss-test.