Fortino Fabián ESTRADA-MARTÍNEZ, O. Gómez-Vargas, R. Vega-Morón, D. Melo-Máximo
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Adhesion and wear study on 316L steel coated with titanium nitride by PVD
The AISI 316L steel is a material used to manufacture prostheses and medical instruments due to its high corrosion resistance. However, its wear resistance is low, but it can be improved by synthesizing thin films of titanium nitride (TiN) on the surface. This compound is a hard material that improves its tribological and corrosive properties, in addition to presenting good adhesion to the substrate. In this work, a Ti/TiN thin film was obtained using the Physical Vapor Deposition (PVD) technique. This coating was characterized by scanning electron microscopy, energy dispersion spectroscopy (EDS), and light microscopy; additionally, tribological tests under wet conditions and adhesion tests were conducted. The coating showed good adhesion to the substrate according to the VDI standard. In tribological tests, a low coefficient of friction vs. a polyethylene pin in a wet environment (bovine serum) was obtained. The EDS showed a high concentration of Ti and N on the substrate even after wear tests.
期刊介绍：
JOTMI is a quarterly indexed electronic journal, refereed and edited by Business and Economy Faculty at Alberto Hurtado University. Its mission is to publish original and novel literature in the fields of technology management and innovation; putting emphasis in topics relevant in a global fashion, remarking in Latin-Ibero-America and the Caribbean. The objective of the journal is to analyze the impact that global technological change has on society and to disseminate the best management practices of companies and organizations.
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