Bibliographic citations
Villalobos, J., (2016). Producción y caracterización de recubrimientos de metales con nanocompuestos de alta dureza basados en carbón [Tesis, Universidad Nacional de Ingeniería]. http://hdl.handle.net/20.500.14076/5326
Villalobos, J., Producción y caracterización de recubrimientos de metales con nanocompuestos de alta dureza basados en carbón [Tesis]. : Universidad Nacional de Ingeniería; 2016. http://hdl.handle.net/20.500.14076/5326
@mastersthesis{renati/260399,
title = "Producción y caracterización de recubrimientos de metales con nanocompuestos de alta dureza basados en carbón",
author = "Villalobos Pérez, Jonathan David",
publisher = "Universidad Nacional de Ingeniería",
year = "2016"
}
In this thesis, we report on the production of thin films coatings based on Carbon, such us amorphous carbon, diamond like- carbon and diamond like- carbon containing metal nano-clusters. The coatings are formed by a layer to improve the adherence and a film of carbon based material, all films were made by the reactive radio frequency magnetron sputtering. The chemical composition and crystal structure was determined by Auger electron spectroscopy, Raman spectroscopy in the range of 400- 2000 and X ray diffraction; mechanical characterization was made by Vickers micro indentation, the indentations measurements were made using Bueller indentator and SEM microscopy. The thickness of the thin film are in the range of (600nm-700nm), the concentration of bonding varies from (20% to 40%) according to the parameters used. For Me-DLC coatings, the Auger spectra showed us the presence of metallic particles on their surface which varies according on how much acetylene was used, likewise, the X ray spectra showed us the presence of metallic carbide on the films. The optimum parameter was found for Ti-DLC. Ti-DLC coatings have bonding in the range of (30%-40%) whit hardness in the range of (800HV-1380HV), the high concentration the harder; On the other hand, Ta- DLC and Cr-DLC coatings have bonding concentration lower than 30% that means lower hardness about (800HV-1000HV) but it is still better than the metal we used (700HV-800HV).
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