Alonso, F.García, A.Ugarte, J. J.Viviente, J. L.Oñate, J. I.Baranda, P. S.Cooper, C. V.2024-07-242024-07-241996-09Alonso , F , García , A , Ugarte , J J , Viviente , J L , Oñate , J I , Baranda , P S & Cooper , C V 1996 , ' Changes in tribological properties of an AISI 440C martensitic stainless steel after ion implantation of carbon at very high doses ' , Surface and Coatings Technology , vol. 83 , no. 1-3 , pp. 263-268 . https://doi.org/10.1016/0257-8972(95)02770-X0257-8972https://hdl.handle.net/11556/4611Ion implantation of N+ or C+ has been proven to be a suitable technique for improving tribological properties of steels. In the case of C+ implantation at very high doses, amorphization and a carbonaceous layer can be formed on the surface, the latter of which reduces adhesion when like-on-like material contact conditions occur, thereby decreasing surface wear and friction. A study to determine the influence of C+ ion implantation at very high doses (exceeding 1018 ions cm-2) on tribo-mechanical properties of AISI 440C steel is presented in this work. Ball-on-disc wear and friction tests using an AISI 440C steel ball showed a decrease of wear with increasing dose of more than one order of magnitude. A reduction in friction coefficient was also measured, from 1.0 down to 0.4. C 1s spectra from XPS analyses showed the presence of C-C bonds in the ion-implanted samples, suggesting the formation of a graphitic layer on the surface, responsible for the decrease in surface wear and friction after ion implantation.6enginfo:eu-repo/semantics/restrictedAccessjournal article10.1016/0257-8972(95)02770-XAISI 440C martensitic stainless steelHigh-dose carbon implantationTribologyXPSGeneral ChemistryCondensed Matter PhysicsSurfaces and InterfacesSurfaces, Coatings and FilmsMaterials Chemistryhttp://www.scopus.com/inward/record.url?scp=0030239390&partnerID=8YFLogxK