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Effect of Ti addition on corrosion properties of As-Cast and Hot-rolled AM60 magnesium alloys
(Trans Tech Publications Ltd, 2017) Sun, Y.; Aydin, N.U.; Turen, Y.; Ahlatci, H.; Zengin, H.
This study investigates the effect of Ti addition (0.2, 0.5, 1wt%) on corrosion resistance of as-cast and hot rolled AM60 magnesium alloy. The results showed that Ti addition resulted in an alteration of the microstructure of as-cast AM60 magnesium alloy by decreasing the amount of-Mg17Al12 eutectic phase. Homogenization treatment resulted in the dissolution of the most of the-Mg17Al12 phases. Corrosion behaviors were investigated by immersion tests and electrochemical analysis. Homogenized samples exhibited the lowest corrosion rate in immersion test while the best corrosion resistance was found for hot-rolled samples in electrochemical test. In hot-rolled state, Ti addition led to a slight change in the corrosion behaviour of AM60 magnesium alloy. © 2017 Trans Tech Publications, Switzerland.