Zn/55Al coating microstructure and corrosion mechanism

In the present work Zn/55Al coatings from different suppliers were studied. The results revealed the presence of at least two different phases in the interdendritic and in the dendritic areas that compose the coating. Analyses done in the cross section of test panels exposed for five years in six di...

Full description

Saved in:
Bibliographic Details
Published in:Corrosion science 2006-03, Vol.48 (3), p.564-576
Main Authors: Moreira, A. Ramus, Panossian, Z., Camargo, P.L., Moreira, M. Ferreira, Silva, I.C. da, de Carvalho, J.E. Ribeiro
Format: Article
Language:English
Subjects:
Alloy
Aluminium
Applied sciences
Atmospheric corrosion
Corrosion
Corrosion environments
Exact sciences and technology
Metal coating
Metallic coatings
Metals. Metallurgy
Production techniques
Surface treatment
Zinc
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:In the present work Zn/55Al coatings from different suppliers were studied. The results revealed the presence of at least two different phases in the interdendritic and in the dendritic areas that compose the coating. Analyses done in the cross section of test panels exposed for five years in six different atmospheres showed that the corrosion process begins in the aluminium-rich phase present in the interdendritic area.
ISSN:0010-938X
1879-0496
DOI:10.1016/j.corsci.2005.02.012