Gayathri, S. ; Kumar, N. ; Krishnan, R. ; Ravindran, T. R. ; Dash, S. ; Tyagi, A. K. ; Raj, Baldev ; Sridharan, M. (2012) Tribological properties of pulsed laser deposited DLC/TM (TM=Cr, Ag, Ti and Ni) multilayers Tribology International, 53 . pp. 87-97. ISSN 0301-679X
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.triboint.2012.04.015
Abstract
Tribological and scratch resistance properties of pulsed laser deposited Diamond-Like Carbon (DLC) coatings with transition metal interlayers (TM=Cr, Ag, Ti and Ni) are studied. Remarkably high scratch resistance property is found when DLC is deposited with Ni and Ti transition metal interlayer. Transformation of I(D)/I(G) ratio from a higher value on the surface to a lower value in the wear track of DLC indicates formation of graphitized/amorphized tribofilm during sliding. These tribofilms and formation of carbonaceous transfer layer is a characteristic of easy in-plane sliding which provides low friction coefficient for the system of DLC/Ni and DLC/Ti multilayer.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Diamond-like Carbon; Nanoindentation; Tribology; Raman Spectroscopy |
| ID Code: | 97197 |
| Deposited On: | 28 Jan 2013 07:27 |
| Last Modified: | 28 Jan 2013 07:27 |
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