Substrates made of steel used in coastal applications are regularly exposed to harsh salty environments;
as a result, it is essential to adopt reliable strategies for preventing corrosion. Utilization of aluminum
rich sacrificial anodes is an efficient anticorrosive technique owing to its high columbic amplitude,
low density, inherent negative potential and galvanic economy. In this work, the electrochemical and
micro-structural was characterized by catalytic effect of MnO2-Ni on anode activation. MnO2-Ni present
in anode matrix results in destroyed passive alumina film and facilitates the galvanic growth on an
anode. The anode exhibited active operating potential and high columbic efficiency during prolonged
marine exposure studies. High anodic efficacy was performed by fine tuning composites into the
metal matrix Al based alloy. The results revealed that the preferential dissolution of intermetallic
particles induced effective sacrificial anode action.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.