Abstract
Titanium films were mixed, using excimer laser radiation, into the surface of bulk Si3N4 materials. The tribological and mechanical properties of these surfaces were then evaluated using pin-on-disk and nanoindenter techniques, respectively. Reduced friction and a change in the wear mechanism that resulted in a more benign failure mode were observed. These results are interpreted as resulting from the establishment of a transfer film, changes in the compliance of the surface which reduces instantaneous stresses in the surface, and toughening of the surface, all results of the laser process.
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Jervis, T.R., Hirvonen, JP., Nastasi, M. et al. Tribology and mechanical properties of excimer laser-processed Ti–Si3N4 surfaces. Journal of Materials Research 10, 1857–1860 (1995). https://doi.org/10.1557/JMR.1995.1857
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DOI: https://doi.org/10.1557/JMR.1995.1857