Experimental Investigation of Inhibition Efficiency of Crocin for Chloride-Induced Corrosion of Aluminum Alloys

Paraskevi Pantazopoulou; Stamatina Theohari; Sofia Kalogeropoulou

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Experimental Investigation of Inhibition Efficiency of Crocin for Chloride-Induced Corrosion of Aluminum Alloys

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The use of Crocin, derived from the flowers of Crocus sativus, is investigated as corrosion inhibitor for the AA1050, AA5083, AA5754 and AA6082 aluminum alloys in chloride ions environment. Aluminum and aluminum alloys are subjected to corrosion in the aggressive environment of chlorides, so several green corrosion inhibitors, mostly of plant origin, with minimum impact on health and the environment have been examined. In this study, the inhibition efficiency of 1.25 mM Crocin in a 0.01 M NaCl corrosive solution was assessed via electrochemical corrosion techniques and gravimetric mass loss measurements of the aluminum alloys. The surface of the specimens was examined using Scanning Electron Microscopy, Energy Dispersive Spectroscopy, Stereomicroscopy and Glossiness measurements. Experimental results reveal the protective anticorrosive action of Crocin for all aluminum alloys in the sodium chloride medium.

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来源
《应用科学（英文）》 |2022年第11期|1931-1943|共13页
作者
Paraskevi Pantazopoulou; Stamatina Theohari; Sofia Kalogeropoulou;
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作者单位

Department of Electrical and Electronic Engineering;

University of West Attica;

Athens;

Greece;

Graphic Design and Visual Communication Department;

University of West Attica;

Athens;

Greece;

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原文格式 PDF
正文语种 chi
中图分类金属学与热处理;
关键词
CROCIN; Aluminum Corrosion; Eco-Friendly Inhibitors; Sodium Chloride Environment; Electrochemical and Gravimetric Methods;

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Experimental Investigation of Inhibition Efficiency of Crocin for Chloride-Induced Corrosion of Aluminum Alloys

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