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- Title
XPS characterization and corrosion resistance of cerium-treated magnesium coatings.
- Authors
Hassen, Samia; Bousselmi, Latifa; Berçot, Patrice; Rezrazi, Mustafa; Triki, Ezzeddine
- Abstract
Cerium conversion treatment was applied on magnesium coatings in a solution containing CeCl. The composition of the cerium conversion layer on magnesium was investigated using X-ray photoelectron spectroscopy (XPS). It was revealed that the composition predominately consisted of a three-valent state cerium compound with a relative abundance around 90%. Some of Ce was oxidized to Ce. Electrochemical impedance spectroscopy results revealed that the total impedance of cerium-treated samples increased for a short immersion time in NaCl solution before coating deteriorating. This deterioration was due to the coating porosity increasing and the breakdown of the conversion layer.
- Publication
Rare Metals, 2011, Vol 30, Issue 4, p368
- ISSN
1001-0521
- Publication type
Article
- DOI
10.1007/s12598-011-0398-y