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1 Journal of Achievements in Materials and Manufacturing Engineering

1 2024

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Effect of nano-additives on friction and wear characteristics of blended lubricants containing "palm oil and Al-Rashid engine oil SAE 15W_40"

Aliwi S. Y., Ali M., Majeed M. H.

Journal of Achievements in Materials and Manufacturing Engineering

2024

Vol. 125, nr 1

5--15

Purpose: The research aims to evaluate the nano-additives for oil, decreasing friction, surface roughness, and decreasing wear. Design/methodology/approach: Wear and friction coefficient are examined using a pin on a disk device; adding 2 wt.% nano-additives to the blended lubricant resulted in maximum friction and wear. Findings: In the current research, one of the more significant findings to emerge from this study is that the nano-additives increase viscosity and reduce wear and friction coefficient. The highest viscosity values were when adding GNP, and improving the percentage of nano-additives leads to an increase in viscosity. Research limitations/implications: The results reveal that the additive was chosen as the most appropriate concentration in the blended lubricant. Practical implications: An experimental investigation was conducted to explore the effects of nano-additive graphene nano-powder (GNPs), molybdenum disulfide (MoS2), and titanium oxides (Tio2) in concentrations (0.5%,1%, 1.5%, 2%,2.5% ) as additives to engine oil (Al-Rashid oil) SAE 15W_40 and 5% palm oil. Originality/value: The results presented in the given paper may facilitate improvements in the nano-additives, resulting in increased viscosity compared to the base oil.