scholarly journals Structure and Formation Mechanism of Surface Films Formed on Magnesium Die Cast AZ91D by Chemical Conversion Coating.

1996 ◽  
Vol 47 (3) ◽  
pp. 263-267 ◽  
Author(s):  
Sachiko ONO ◽  
Makoto SAITO ◽  
Makoto HORIGUCHI ◽  
Keiichi TERASHIMA ◽  
Kikuo MATSUSAKA ◽  
...  
Keyword(s):  
Formation Mechanism ◽  
Chemical Conversion ◽  
Conversion Coating ◽  
Surface Films ◽  
Die Cast ◽  
Chemical Conversion Coating

Cerium-based chemical conversion coating on AZ63 magnesium alloy

2003 ◽  
Vol 172 (2-3) ◽  
pp. 227-232 ◽  
Author(s):  
Manuele Dabalà ◽  
Katya Brunelli ◽  
Enrico Napolitani ◽  
Maurizio Magrini
Keyword(s):  
Magnesium Alloy ◽  
Chemical Conversion ◽  
Conversion Coating ◽  
Chemical Conversion Coating

Formation and Properties of Zr/Ti Based Nano-Sized Non-Chromium Chemical Conversion Coating on AA 5083

2019 ◽  
Vol 19 (6) ◽  
pp. 3487-3494 ◽  
Author(s):  
Bin Liu ◽  
Yi Zhao ◽  
Liang Li ◽  
Yafei Feng ◽  
Zhigang Fang ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Acidic Solution ◽  
Salt Spray ◽  
Chemical Conversion ◽  
Conversion Coating ◽  
Dense Layer ◽  
Environment Friendly ◽  
Chemical Conversion Coating ◽  
Inhibitive Action ◽  
Nano Size

An environment-friendly non-chromium chemical conversion coating was obtained from fluozirconate/fluotitanate acidic solution for the corrosion protection of AA 5083. The surface morphology, composition, electrochemical behavior and corrosion resistance of this coating were investigated. The coating was found to be a homogeneous and dense layer consisting of nano-size particles, of which the major component was compound oxides consisted by Al, Mg, Zr, Ti, F and O. The results of electrochemical measurements, immersion and natural salt spray (NSS) tests demonstrated that the corrosion resistance of the AA 5083 H-116 was improved by the nano-sized non-chromium chemical conversion coating considerably, which was most attributed to the great inhibitive action on the anodic dissolution by acting as a protective barrier layer.

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