Influence of mictrostructure features on the corrosion behaviourof AZ91 alloy in chloride media

Autor:	Lenka Bukovinová, Michal Bukovina, Filip Pastorek
Jazyk:	angličtina
Rok vydání:	2014
Předmět:	EIS SKPFM lcsh:TA401-492 lcsh:Materials of engineering and construction. Mechanics of materials solid solution β phase AZ91 alloy
Zdroj:	Materiálové Inžinierstvo, Vol 21, Iss 4, Pp 153-158 (2014)
ISSN:	1338-6174 1335-0803
Popis:	The influence of the microstructure of as-cast AZ91 magnesium alloy, which applied to solution annealing treatment and ageing treatment respectively, was evaluated in terms of its corrosion behaviour in 0.1 M NaCl solution at room temperature. The corrosion process was monitored by electrochemical impedance spectroscopy (EIS) and the surface was characterized by scanning Kelvin probe force microscopy (SKPFM). The extent of corrosion damage was dependent on the microstructure. Surface potential maps indicated that, the surface potential of α-matrix is more positive than surface potential of β phase.
Databáze:	OpenAIRE
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