Affiliation:
1. Department of Chemistry, Catholicate College (Affiliated to Mahatma Gandhi University, Kottayam), Pathanamthita-689645, India
Abstract
For cathodic protection of steel, the aluminium-zinc alloy sacrificial anodes incorporated with nickel
oxide nanoparticles were fabricated. The metallurgical properties of Al-Zn sacrificial anodes enhanced
substantially through the infiltration and uniform dispersion of nickel oxide nanoparticles into an
Al-Zn matrix. Such effective and uniform presence of nano nickel oxide inside the interior mass of the
anodes was characterized by electrochemical techniques. The anodes showed considerably low
polarization, steady and high active open circuit potential and substantially decreased self-corrosion
during galvanic exposure for prolonged periods. The presence of nickel oxide nanoparticles in the
anode matrix caused effective destruction of the passive aluminia film, which facilitated enrichment
of galvanic performance of the anode. The anode had high resistance against biofouling also.
Publisher
Asian Journal of Chemistry
Cited by
1 articles.
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