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Experimental investigation of tribological properties of laser textured tungsten doped diamond like carbon coating under dry sliding conditions at various loads

Arslan, A. and Masjuki, H. H. and Quazi, M. M. and Kalam, Md. Abul and Varman, M. and Jamshaid, M. and Rahman, S. M. Ashrafur and Imran, M. and Zulfattah, Z. M. and Anwar, M. T. and Gohar, G. A. and Mandalan, S. M. and Harith, M. H. (2019) Experimental investigation of tribological properties of laser textured tungsten doped diamond like carbon coating under dry sliding conditions at various loads. Materials Research Express, 6 (10). pp. 1-2. ISSN 2053-1591

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Abstract

Laser micro texturing technique has shown its potential in reducing friction and wear at various mechanical interfaces such as automotive and cutting tools etc. Automotive parts are coated with Diamond-like Carbon (DLC) coatings to enhance their performance. Due to stringent condition at the automotive contacts and demand for performance enhancement, increase in performance of DLC coatings is required. In this study laser micro texturing is being combined with tungsten doped DLC coating. In order to analyze the benefits of laser micro texturing on tungsten doped DLC coating. Tribological testing was conducted on a reciprocating test rig at various loading conditions. The results indicated that laser textured tungsten doped DLC coating showed the lower coefficient of friction compared to un-textured tungsten doped DLC coating at a load of 15 N, 25 N and 35 N. Higher graphitization was observed in the case of un-textured coating at 35 N load.

Item Type: Article
Additional Information: A Arslan, H H Masjuki, M M Quazi, M A Kalam, M Varman, M Jamshaid, S M Ashrafur Rahman, M Imran, Z M Zulfattah, M T Anwar, G A Gohar, S M Mandalan and M H Harith ; Indexed by Scopus
Uncontrolled Keywords: Coefficient of frictions; Diamond-like carbon coatings; Doped diamond-like carbon; Doped DLC; Experimental investigations; Laser surface texturing; Performance enhancements; Tribological properties
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
T Technology > TS Manufactures
Faculty/Division: Faculty of Mechanical & Manufacturing Engineering
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 09 Dec 2019 06:46
Last Modified: 09 Dec 2019 06:46
URI: http://umpir.ump.edu.my/id/eprint/26494
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