Title: Corrosion Behavior of Zn-55%Al Coating Sprayed on Marine Steel Compared with Pure Zn and Pure Al Coatings
Abstract: Thermal spray metal coating is the preferred method for protecting steel structures in marine environment.In this work,the Zn-55%Al pseudo-alloy coating was sprayed by arc spraying technology on a new marine structural steel(Q345B),and corrosion behaviour of the coating was investigated and compared with that of the pure Zn and pure Al coatings.The results show that,the pure Zn coating could provide electrochemical cathodic protection but poor electrochemical performance;the pure Al coating exhibited excellent electrochemical performance but showed pitting corrosion;compared to these,the Zn-55%Al pseudo-alloy coating exhibited the higher corrosion resistance and a good corrosion protection.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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