Microstructure and corrosion performance of a cold sprayed aluminium coating on AZ91D magnesium alloy

Tao, Yongshan, Xiong, Tianying, Sun, Chao, Kong, Lingyan, Cui, Xinyu, Li, Tiefan and Song, Guang-Ling (2010) Microstructure and corrosion performance of a cold sprayed aluminium coating on AZ91D magnesium alloy. Corrosion Science, 52 10: 3191-3197. doi:10.1016/j.corsci.2010.05.023


Author Tao, Yongshan
Xiong, Tianying
Sun, Chao
Kong, Lingyan
Cui, Xinyu
Li, Tiefan
Song, Guang-Ling
Title Microstructure and corrosion performance of a cold sprayed aluminium coating on AZ91D magnesium alloy
Journal name Corrosion Science   Check publisher's open access policy
ISSN 0010-938X
Publication date 2010-10-01
Sub-type Article (original research)
DOI 10.1016/j.corsci.2010.05.023
Volume 52
Issue 10
Start page 3191
End page 3197
Total pages 7
Place of publication Oxford, United Kingdom
Publisher Pergamon Press
Collection year 2011
Language eng
Formatted abstract
A pure Al coating was deposited on AZ91D magnesium alloy through cold spray (CS) technique. The microstructure of the coating was characterized using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). It was found that the grain interfaces and subgrains formed close to the particle/particle boundaries. Electrochemical tests revealed that the cold sprayed pure Al coating had better pitting corrosion resistance than bulk pure Al with similar purity in neutral 3.5. wt.% NaCl solution. In addition, a mass-transfer step was found to be involved in the corrosion during 10. days immersion.
© 2010 Elsevier Ltd.
Keyword Aluminium
Magnesium
EIS
Pitting corrosion
Pure aluminum
Anodic-dissolution
Kinetic spray
Deposition
Behavior
Particles
Mechanisms
Impedance
Oxidation
Steel
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2011 Collection
 
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Created: Sun, 12 Sep 2010, 10:05:43 EST