Abstract: In other to solve the problems posed by corrosion of materials used in our daily activities, gravimetric technique has been used to study the adsorption of Palisota hirsute, an eco-friendly inhibitor, on and corrosion inhibition of aluminium alloy AA3003 in 0.25 M KOH environment at 303 K. Results obtained showed that the leaf extract functioned as an effective inhibitor in the alkaline medium with inhibition efficiency on the increase with increased concentration of the inhibitor in the medium getting up to 86.21% for 0.5 g/L of the inhibitor in the medium. Values of Gibbs free energy (ΔG°ads) gotten implied that the adsorption reaction was a mixed reaction and was spontaneously adsorbed on the aluminium alloy steel.
Keyword: Aluminium alloy, eco-friendly, Gibbs free energy, Palisota hirsute
Title: Corrosion Inhibition Study of Aluminum Alloy AA3003 in Alkaline Medium by Palisota Hirsute Extract
Author: Nnanna Lebe A., John Wisdom O., Nwadiuko Onyinyechi
International Journal of Engineering Research and Reviews
ISSN 2348-697X (Online)
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