Keywords
Magnetron sputtering
Solid lubricants
Plasticity index
Friction coefficient
Wear Magnetrón sputtering
lubricantes sólidos
Indice de plasticidad
Coeficiente de fricción
Desgaste
Solid lubricants
Plasticity index
Friction coefficient
Wear Magnetrón sputtering
lubricantes sólidos
Indice de plasticidad
Coeficiente de fricción
Desgaste
How to Cite
González Carmona, J. M., Berrío, E., Ortega, C., Ruden, A., & Sequeda Osorio, F. (2012). Mechanical and tribological properties of lubricant ws2 thin films deposited via non-reactive magnetron sputtering. Informador Tecnico, 76, 72. https://doi.org/10.23850/22565035.30
Abstract
wS2 thin films were deposited by using magnetron sputtering on 304 stainless steel substrates to observe material capabilities as a solid lubricant exposed to environments with relative humidity above 40%. Coatings obtained presented hexagonal crystalline structure with combined texture in the (100) and (101) planes, parallel to the c axis and linked to columnar detachment and the formation of a transference film. High ductility was observed from the hardness, elastic moduli, plasticity index, and critical load. Friction coefficients measured by ball-on-disc test with alumina balls showed data around 0.09. Increasing the load from 1 to 10 N improved coating friction behavior. Results show that tribo-oxidation phenomena promotes a transition of the wear mechanisms from adhesive to abrasive.References
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