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http://dx.doi.org/10.5695/JKISE.2007.40.6.262

Investigation on Optimum Protection Potential Decision of Al Alloy(5083F) in Sea Water by Impressed Current Cathodic Protection  

Kim, Seong-Jong (Division of Marine System Engineering, Mokpo Maritime University)
Kim, Jeong-Il (Division of Marine System Engineering, Mokpo Maritime University)
Kim, Jong-Shin (Korea Register)
Publication Information
Journal of the Korean institute of surface engineering / v.40, no.6, 2007 , pp. 262-270 More about this Journal
Abstract
Recently, there has been a new appreciation of aluminum alloys as materials that are capable of reducing the environment load. This is because aluminum alloys are lightweight, easy to recycle, permit miniaturization, and have environmental friendly properties. In this study, we investigated the mechanical and electrochemical properties of 5083F aluminum alloys using slow strain rate test(SSRT) and potentiostatic tests under various potential conditions. In the potentiostatic tests, the current density in the potential range from -0.7 to -1.4V after 1,200 s was low. After considering the results of the potentiostatic tests, maximum tensile strength, yield strength, elongation, time-to-fracture, observation of fractured specimen and fractography analysis, the optimum protection potential range was between -1.3 and -0.7V(Ag/AgCl).
Keywords
Aluminum alloys; Slow strain rate test; Electrochemical property; Hydrogen embrittlement; Stress corrosion cracking; Optimum protection potential;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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