Study on the temperature dependence of pitting behaviour of AISI 4135 steel in marine splash zone
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© The Electrochemical Society of Japan, All rights reserved. The corrosive condition at marine splash zone is detrimental to steel structures of offshore applications. The corrosion at splash zone is the most serious not only for uniformed corrosion but also localized corrosion. Practically, marine structures experience cyclic seasonal temperature change. Temperature acts as an important factor affecting corrosion process. In this paper, the effects of temperature on pitting behavior of a low alloy high strength steel (AISI 4135) in marine splash zone have been investigated using electrochemical techniques and morphology observations. The area of hysteresis loop was greater under seawater film at lower temperatures than that at high temperatures, indicating that the pitting corrosion sensitivity is high at lower temperature. AISI 4135 steel has the potential danger of pitting corrosion in marine splash zone after long exposure.
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Huang, Y.; Yu, X.; Zheng, M.; Qu, W.; Yadav, A.; De Marco, Roland (2015)The corrosion rate of steels in marine splash zone is high, and it is generally considered to be due to the environmental characteristics of this zone. One of the important distinctions between the marine splash zone and ...
Huang, Y.; Yu, X.; Zhang, Q.; De Marco, Roland (2017)© The Electrochemical Society of Japan, All rights reserved.The corrosion behavior of high strength low alloy AISI 4135 steel was studied following extended exposure to a Qingdao field environment. When electrochemically ...
Li, X.; Bailey, Stuart (2012)An electrochemical cell and environmental chamber were developed to study corrosion in a simulated splash zone. The designs of the dual chambers and the mounting of the three electrodes in the cell resulted in an excellent ...