1. A. Bloyce, P.H. Morton, T. Bell, Surface Engineering of Titanium and Titanium Alloys, Metal Handbook, Surface Engineering, vol. 5, ASM, Metals Park, OH, 1994, pp. 835–851.
2. Effects of load and sliding speed on the tribological behaviour of Ti–6Al–4V plasma nitrided at different temperatures;Molinari;Wear,1997
3. Dry sliding wear of Ti–6Al–4V alloy as influenced by the counterface and sliding conditions;Straffelini;Wear,1999
4. G. Straffelini, B. Tesi, A. Molinari, T. Bacci, Effect of Ion-Nitriding on the Rolling–Sliding Wear of the Ti–6Al–4V Alloy, in: Proceedings of the Ninth World Conference on Titanium, 7–11 June 1999, Saint-Petersburg, Russia, CRISM “Prometey”, Saint-Petersburg, 1999, pp. 945–951.
5. E. Rabinowicz, Friction and Wear of Materials, second ed., Wiley, New York, 1995.