Artículo
Solid lubricant behavior of MoS2 and WSe2-based nanocomposite coatings
Autor/es | Domínguez Meister, Santiago
Rojas Ruiz, Teresa Cristina Brizuela, Marta Sánchez López, Juan Carlos |
Fecha de publicación | 2017 |
Fecha de depósito | 2018-03-23 |
Publicado en |
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Resumen | Tribological coatings made of MoS2 and WSe2 phases and their corresponding combinations with tungsten carbide (WC) were prepared by non-reactive magnetron sputtering of individual targets of similar composition. A comparative ... Tribological coatings made of MoS2 and WSe2 phases and their corresponding combinations with tungsten carbide (WC) were prepared by non-reactive magnetron sputtering of individual targets of similar composition. A comparative tribological analysis of these multiphase coatings was done in both ambient air (30–40% relative humidity, RH) and dry nitrogen (RH<7%) environments using the same tribometer and testing conditions. A nanostructural study using advanced transmission electron microscopy of the initial coatings and examination of the counterfaces after the friction test using different analytical tools helped to elucidate what governs the tribological behavior for each type of environment. This allowed conclusions to be made about the influence of the coating microstructure and composition on the tribological response. The best performance obtained with a WSex film (specific wear rate of 2 × 10−8 mm3 N–1m–1 and a friction coefficient of 0.03–0.05) was compared with that of the well-established MoS2 lubricant material |
Cita | Domínguez Meister, S., Rojas Ruiz, T.C., Brizuela, M. y Sánchez López, J.C. (2017). Solid lubricant behavior of MoS2 and WSe2-based nanocomposite coatings. Science and Technology of Advanced Materials, 18 (1), 122-133. |
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