{"title":"Inhibitory action of dextran on the corrosion of 6061Al–15%(v) SiC(P) composite in HCl medium","authors":"B.P. Charitha, Padmalatha Rao","doi":"10.1016/j.pisc.2016.04.026","DOIUrl":null,"url":null,"abstract":"<div><p>Dextran, a biopolymer was used as an eco-friendly inhibitor to control the corrosion of 6061Al–15%<sub>(v)</sub> SiC<sub>(P)</sub> composite in 0.25<!--> <!-->M HCl medium. The electrochemical studies like potentiodynamic polarization method, electrochemical impedance spectroscopy techniques were adopted. Evaluation of kinetic and thermodynamic parameters was done. Inhibitor adsorption on the surface of the composite was confirmed by surface morphology studies like SEM and EDX studies. Maximum inhibition efficiency of 80% was obtained at 303<!--> <!-->K. Dextran acted as mixed type of inhibitor, underwent physical adsorption and followed Langmuir adsorption isotherm.</p></div>","PeriodicalId":92112,"journal":{"name":"Perspectives in science","volume":"8 ","pages":"Pages 176-178"},"PeriodicalIF":0.0000,"publicationDate":"2016-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.pisc.2016.04.026","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Perspectives in science","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2213020916300416","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
Dextran, a biopolymer was used as an eco-friendly inhibitor to control the corrosion of 6061Al–15%(v) SiC(P) composite in 0.25 M HCl medium. The electrochemical studies like potentiodynamic polarization method, electrochemical impedance spectroscopy techniques were adopted. Evaluation of kinetic and thermodynamic parameters was done. Inhibitor adsorption on the surface of the composite was confirmed by surface morphology studies like SEM and EDX studies. Maximum inhibition efficiency of 80% was obtained at 303 K. Dextran acted as mixed type of inhibitor, underwent physical adsorption and followed Langmuir adsorption isotherm.