Abstract
This work discusses the effect of cold rolling and subsequent annealing on the corrosion and wear behavior of a β-type commercial Ti-25Nb-25Zr alloy. Using the cold-rolling and heat treatment, samples with different grain sizes were produced from the alloy. The effect of microstructural evolution due to cold rolling and annealing treatment on the corrosion behavior was examined in the Hank’s simulated body fluid solutions, whereas sliding wear behavior was analyzed using ball-on-disk tribometer under dry condition. The corrosion resistance of the alloy was found to improve with cold rolling and subsequent annealing treatment. Increase in grain size also led to the improvement in the corrosion resistance in the Hank’s simulated body fluid solution. Wear resistance was found to be highest for the sample annealed at 400 °C due to its highest hardness among all the samples. Abrasive wear was found to be the dominating wear mechanism.
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