Article ID Journal Published Year Pages File Type
1469728 Corrosion Science 2011 10 Pages PDF
Abstract

This paper investigates the effect of heat treatment upon the corrosion morphology and mechanism of ZE41 alloy. The results of optical and scanning electron microscopy (SEM) together with potentiodynamic polarisation reveal the importance of the microstructure in the initiation and propagation of corrosion in an aqueous environment. The corrosion of the heat-treated alloy is significantly altered due to changes in the microstructure, specifically the Zr-rich regions and the grain boundary T-phase.

► Heat treatment of ZE41A-T5 significantly altered the Zr-rich regions and T-phase. ► HTZE41 corrosion morphology consisted of grain boundary attack. ► Attack progressed into the α-Mg grain but was arrested by the Zr-rich regions.

Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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