Annealing effects on the corrosion resistance of ultrafine-grained pure titanium
By Kim, H.S. & Kim, W.J.
Published in Corrosion Science
NULL
2014
Abstract
The effect of annealing on the corrosion behaviour of the ultrafine-grained pure titanium (Ti) produced by high-ratio differential speed rolling was examined in a 0.5 M H2SO4 solution using potentiodynamic polarisation and weight loss methods. The results indicated that post-rolling annealing significantly affected the corrosion resistance of ultrafine-grained Ti. It was concluded that annealing treatments leading to a decrease in dislocation density and residual stress while maintaining an ultrafine grain size and strong basal texture can allow for the development of pure Ti with a good combination of high strength and high corrosion resistance.
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