Abstract
This study is focused on the analysis of the surface geometry and elastic properties of carbon-based coatings, which are deposited using a high power impulse (HiPIMS) (pulsed) and direct current (DC) (non-pulsed) magnetron sputtering. The work includes friction tests, microscopic (SEM and AFM) study of the samples surfaces, their roughness before and after friction, indentation of initial and worn surfaces, and estimation of Young’s modulus of coatings before and after friction using analytical–numerical modeling. The analysis of nano-roughness by AFM shows that worn tracks are very smooth even for an initially rough surface. DC coatings have similar elastic properties before and after friction. HiPIMS coatings become more compliant after friction, which is probably due to the formation of a thin compliant film at the surface of the coatings.
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Acknowledgements
The authors are grateful to the Leverhulme Trust for financial support of the collaboration between the authors within the CARBTRIB International Network. This work was financially supported by the Federal Agency of Scientific Organizations (Reg. No. AAAA-A17-117021310379-5). The theoretical–experimental method of study of thin films generated in friction process is developed within the frames of project No. 14-19-01033 of Russian Science Foundation. The authors are also grateful to D. Martinez-Martinez and A. Patelli from Instituto de Ciencia de Materiales de Sevilla (CSIC-US), who made the film synthesis.
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Torskaya, E.V., Muravyeva, T.I., Sánchez-López, J.C. (2019). Study of TiC/a-C(:H) Coatings Before and After Friction by Nanoindentation. In: Radionov, A., Kravchenko, O., Guzeev, V., Rozhdestvenskiy, Y. (eds) Proceedings of the 4th International Conference on Industrial Engineering. ICIE 2018. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-95630-5_106
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