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Tribo-oxidation maps for Ti against steel

Rasool, G. and Stack, M.M. (2015) Tribo-oxidation maps for Ti against steel. Tribology International, 91. pp. 258-266. ISSN 0301-679X

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    A fundamental study of wear transition regimes was carried out for a pin-on-disk sliding couple, involving Titanium and Steel. The sliding speed was varied from 0.38 to 1.5m s-1 and the normal load from 10 to 50N. Wear mapping approaches have been undertaken to represent the transitions in wear modes and wear mechanisms regimes, as a function of applied normal loads and sliding speeds and for both pin and disc separately on the basis of experimental results. Dry sliding wear behaviour of Steel was characterized by tribo-oxidative wear with high material transfer from the Titanium. In contrast, adhesive wear was more prevalent for the Titanium and oxidative wear mechanisms led to formation of non-protective films on the surface.