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Article Dans Une Revue Wear Année : 2019

Oxide dependent wear mechanisms of titanium against a steel counterface: Influence of SMAT nanostructured surface

Résumé

The analysis of the tribological behavior of a steel ball on pure titanium has been carried out under alternative motion on both, a coarse grained Ti surface and its nanostructured derivative obtained by surface mechanical attrition treatment (SMAT). Along the duration of the tribology test, variations in friction behavior were interpreted as a three stages sequence of different wear mechanisms that were controlled by the successive formation of Ti-rich and Fe-rich oxides. Surface nanostructures appeared to change the oxide formation kinetics and delay the formation of a protective Fe-rich third body oxide layer on Ti. The results indicate that apparently contradicting literature results can be explained by taking into account the contamination induced during the SMAT process.
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Dates et versions

hal-02455058 , version 1 (25-01-2020)

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Pierre Maurel, Laurent Weiss, Philippe Bocher, Eric Fleury, Thierry Grosdidier. Oxide dependent wear mechanisms of titanium against a steel counterface: Influence of SMAT nanostructured surface. Wear, 2019, 430-431, pp.245-255. ⟨10.1016/j.wear.2019.05.007⟩. ⟨hal-02455058⟩
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