Charoo, M.S. and Wani, M. F., 2017. Tribological properties of h-BN nanoparticles as lubricant additive on cylinder liner and piston ring. Lubrication Science, 29 (4), 241 - 254.
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DOI: 10.1002/ls.1366
Abstract
Friction and wear behaviour of different concentrations of hex-boron nitride (h-BN) nanoparticles in engine oil of grade SAE 20W50 were studied at various loads. These tribological studies were conducted using a four-ball wear test machine and a pin-on-disc universal tribometer. Anti-wear properties of SAE 20W50 + h-BN were studied on the four-ball wear test machine as per ASTM D4172 standard. Friction and wear properties of SAE 20W50 + h-BN on piston ring and cylinder liner tribo-pair were studied using the universal tribometer. Nanoparticles of h-BN mixed in lubricant showed excellent tribological performance. In most of the cases, h-BN nanoparticles as additive reduced the wear loss by 30–70% at various loads. The minimum value of coefficient of friction (0.0401) was found with SAE 20W50 + 3 wt% of h-BN at normal load of 100 N. Scanning electron microscopy and Raman spectroscopy were used for characterisation of h-BN and wear scars.
Item Type: | Article |
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ISSN: | 0954-0075 |
Uncontrolled Keywords: | friction; anti-wear; h-BN nanoparticles; additives |
Group: | Faculty of Science & Technology |
ID Code: | 29456 |
Deposited By: | Symplectic RT2 |
Deposited On: | 12 Sep 2017 08:00 |
Last Modified: | 14 Mar 2022 14:05 |
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