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Influence of strontium on electrochemical corrosion behavior of hot-dip galvanized coating

DSpace at IIT Bombay

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Title Influence of strontium on electrochemical corrosion behavior of hot-dip galvanized coating
 
Creator VAGGE, ST
RAJA, VS
 
Subject nacl solution
zinc
steel
resistance
morphology
mechanism
alloy
zn
hot-dip
adhesion
impurities
corrosion
impedance spectroscopy
x strontium
 
Description Hot-dip galvanized coating is generally used to protect steel against corrosion due to cheapness and ease of application. It is beneficial to improve the corrosion resistance of such coatings to enhance its service life. The present work addresses this aspect through modifying the dendritic microstructure of the coating by alloying addition. Based on the property of strontium towards magnesium and aluminum alloys, this work uses this element to effect the microstructural changes in the coating. The study shows that strontium refines the dendritic microstructure of the coating and thereby enhances not only corrosion resistance but also adhesion strength. The optimum adhesion strength and corrosion resistance is achieved for the coating containing 0.02 wt.% strontium. (C) 2009
 
Publisher ELSEVIER SCIENCE SA
 
Date 2011-07-28T10:01:35Z
2011-12-26T12:58:58Z
2011-12-27T05:49:47Z
2011-07-28T10:01:35Z
2011-12-26T12:58:58Z
2011-12-27T05:49:47Z
2009
 
Type Article
 
Identifier SURFACE & COATINGS TECHNOLOGY, 203(20-21), 3092-3098
0257-8972
http://dx.doi.org/10.1016/j.surfcoat.2009.03.026
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7372
http://hdl.handle.net/10054/7372
 
Language en