Effects of microcrystalline phases and quenched in defects on corrosion of rapidly solidified Ti₄₇ Cu₅₃ and Ti₅₀ Cu₅₀ alloys

Abstract

In order to evaluate the effects of microcrystalline phases and quenched in defects on the corrosion of rapidly solidified Ti₄₇Cu₅₃ and Ti₅₀Cu₅₀ alloys, electrochemical studies have been performed on each side of alloy ribbons separately in acidic chloride environments at room temperature. In the as solidified condition, air pockets were found to be the more detrimental defects from the view point of corrosion when compared with the microcrystalline phases that initially lie beneath a thick air formed oxide film on the air side surface. Compositional differences between the two sides of the alloy ribbons were found to play an insignificant role in influencing the corrosion of the alloys.