Caracterización y análisis y de un recubrimiento multicapa con DLC como capa final
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Date
2020-10-05
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Universidad Tecnológica Nacional
Abstract
En este trabajo se estudia un recubrimiento multicapa DLC producido por primera vez en la industria nacional, utilizando un equipo PVD PEMS. La base es una capa de anclaje de AlTiN y la capa exterior es carbono amorfo hidrogenado dopado con cromo(DLC), que le confiere
excelentes propiedades tribológicas, como un muy bajo coeficiente de fricción y una buena resistencia al desgaste. Se utiliza la nitruración iónicacomo pretratamiento, lo que mejora notablemente la adhesión al substrato, pero no incide en la resistencia al desgaste por contacto deslizanteen las condiciones que fueron ensayadas.
In this work aDLCmultilayer coating produced for the first time in Argentina, is analyzed. It is deposited using PVD PEMS. The first layer is made of AlTiNand the outer layer is a chrome-doped hydrogenated amorphous carbon(DLC), which gives it an excellent tribological behavior, witha very low friction coefficient and good wear resistance. Ion nitriding is used as a pretreatment, which significantly improves adhesion to the substrate, but makes no differenceon the resistance to sliding contact wear with the used testing parameters.
In this work aDLCmultilayer coating produced for the first time in Argentina, is analyzed. It is deposited using PVD PEMS. The first layer is made of AlTiNand the outer layer is a chrome-doped hydrogenated amorphous carbon(DLC), which gives it an excellent tribological behavior, witha very low friction coefficient and good wear resistance. Ion nitriding is used as a pretreatment, which significantly improves adhesion to the substrate, but makes no differenceon the resistance to sliding contact wear with the used testing parameters.
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Keywords
DLC, PVD, PEM, Recubrimiento, Dúplex, Desgaste, Industria nacional, Coatings, Wear
Citation
5º Jornada de Intercambio y Difusión de los Resultados de Investigaciones de los Doctorandos en Ingeniería (2020)
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