Friction and Wear Characteristics of C/Si Bi-layer Coatings Deposited on Silicon Substrate by DC Magnetron Sputtering

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dc.contributor.authorPenkov, Oleksiy V.en
dc.contributor.authorBugayev, Yegor A.en
dc.contributor.authorZhuravel, Igoren
dc.contributor.authorKondratenko, Valeriy V.en
dc.contributor.authorAmanov, Auezhanen
dc.contributor.authorKim, Dae-Eunen
dc.date.accessioned2014-03-13T14:08:28Z
dc.date.available2014-03-13T14:08:28Z
dc.date.issued2012
dc.description.abstractThe tribological behavior of carbon/silicon bi-layer coatings deposited on a silicon substrate by DC magnetron sputtering was assessed and compared to that of amorphous carbon and silicon coatings. The motivation was to develop a wear resistant coating for silicon using thin layers of amorphous carbon and silicon. Wear tests were conducted by sliding a stainless steel ball against the coating specimens under applied normal loads in the range of 20 * 50 mN. Results showed that the wear rate of the bi-layer coating was strongly dependent on the ratio of thickness between the carbon and silicon layers. The wear rate of the bi-layer coating with 25 nm thick carbon and 102 nm thick silicon layers was about 48 and 20 times lower than that of the single-layer amorphous carbon and amorphous silicon coating, respectively. In addition, the steady-state friction coefficient of the bi-layer coating could be decreased to 0.09 by optimizing the thickness of the layer. Finally, a model for the wear reduction mechanism of the carbon/silicon bi-layer coating was proposed.en
dc.identifier.citationFriction and Wear Characteristics of C/Si Bi-layer Coatings Deposited on Silicon Substrate by DC Magnetron Sputtering / O. V. Penkov [et al.] // Tribol Lett. – 2012. – Vol. 48. – p. 123-131.en
dc.identifier.urihttps://repository.kpi.kharkov.ua/handle/KhPI-Press/4753
dc.language.isoen
dc.publisherSpringeren
dc.subjectfrictionen
dc.subjectwearen
dc.subjectbi-layer coatingen
dc.subjectcarbonen
dc.subjectsiliconen
dc.subjectsputteringen
dc.titleFriction and Wear Characteristics of C/Si Bi-layer Coatings Deposited on Silicon Substrate by DC Magnetron Sputteringen
dc.typeArticleen

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