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Effect of hexagonal boron nitride nanoparticles as an additive on the extreme pressure properties of engine oil

Abdullah, Muhammad Ilman Hakimi Chua and Abdollah, Mohd Fadzli bin and tamaldin, noreffendy and Amiruddin, Hilmi and Mat Nuri, Nur Rashid (2016) Effect of hexagonal boron nitride nanoparticles as an additive on the extreme pressure properties of engine oil. Industrial Lubrication And Tribology, 68 (4). pp. 441-445. ISSN 0036-8792

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Abstract

Purpose: This paper aims to investigate the effect of hexagonal boron nitride (hBN) nanoparticles on extreme pressure (EP) properties when used as an additive in lubricating oil. Design/methodology/approach: The nano-oil was prepared by dispersing an optimal composition of 0.5 vol. per cent of 70 nm hBN in SAE 15W-40 diesel engine oil using a sonication technique. The tribological testing was performed using a four-ball tribometer according to the ASTM standard. Findings: It was found that the nano-oil has a potential to decelerate the seizure point on the contact surfaces, where higher EP can be obtained. More adhesive wear was observed on the worn surfaces of ball bearing lubricated with SAE 15W-40 diesel engine oil as compared with the nano-oil lubrication. Originality/value: The results of the experimental studies demonstrated the potential of hBN as an additive for improving the load-carrying ability of lubricating oil.

Item Type: Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Mechanical Engineering > Department of Automotive
Depositing User: DR MOHD FADZLI BIN ABDOLLAH
Date Deposited: 27 Mar 2017 03:35
Last Modified: 27 Mar 2017 03:35
URI: http://eprints.utem.edu.my/id/eprint/18471

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