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Tribocorrosion behaviour of plasma nitrided and plasma nitrided+oxidised Ti6Al4...

This paper reports the influence of low pressure plasma nitriding treatments, some of them followed by plasma assisted oxidation on the mechanical properties and tribocorrosion resistance of a Ti6Al4V alloy. Nitridation was performed for 640 or 720 min at 600 and 700 °C in a r.f. plasma equipment, using a N2–H2 gas mixture at 7.5 Pa. Some of the samples were then post-oxidized at 700 °C for 15 and 60 min, withi...