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The corrosion behavior of cold sprayed zinc coatings on mild steel substrate
N.M. Chavan, B. Kiran, A. Jyothirmayi, P.S. Phani,
Published in
2013
Volume: 22
   
Issue: 4
Pages: 463 - 470
Abstract
Zinc and its alloy coatings have been used extensively for the cathodic protection of steel. Zinc coating corrodes in preference to the steel substrate due to its negative corrosion potential. Numerous studies have been conducted on the corrosion behavior of zinc and its alloy coatings deposited using several techniques viz., hot dip galvanizing, electrodeposition, metalizing or thermal spray etc. Cold spray is an emerging low temperature variant of thermal spray family which enables deposition of thick, dense, and pure coatings at a rapid rate with an added advantage of on-site coating of steel structures. In the present study, the corrosion characteristics of cold sprayed zinc coatings have been investigated for the first time. In addition, the influence of heat treatment of zinc coating at a temperature of 150 C on its corrosion behavior has also been addressed. © 2013 ASM International.
About the journal
JournalJournal of Thermal Spray Technology
ISSN10599630