Citation
Nadiah Aqilahwati Abdullah, . and Nurul Farhana Mohd Yusof, . and Zaidi Mohd Ripin, . (2024) Anti-friction and wear resistance performance of palm olein grease with molybdenum disulfide additive. Pertanika Journal of Science & Technology (Malaysia), 33 (2). 1023 -1042. ISSN 2231-8526
Abstract
In this study, palm olein-based grease with a micro-molybdenum disulfide (MoS₂) additive has been developed. The grease was prepared using various MoS₂ concentrations to investigate the role of additives in improving grease performance. A four-ball tribological test was conducted to investigate the surface morphology, wear depth, and volume loss of the steel ball. The results indicated that the MoS₂ additive reduced the coefficient of friction and wear scar diameter compared to pure palm olein grease. The value of 0.5 wt.% was considered the optimum value, reflecting the best grease performance indicated by low friction coefficient, wear diameter, wear depth, and volume loss. Elemental analysis revealed that the MoS₂ additive was deposited onto the wear tracks, improving the surface protection. Thus, this additive was found to have a good potential for improving palm olein-based grease.
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Abstract
In this study, palm olein-based grease with a micro-molybdenum disulfide (MoS₂) additive has been developed. The grease was prepared using various MoS₂ concentrations to investigate the role of additives in improving grease performance. A four-ball tribological test was conducted to investigate the surface morphology, wear depth, and volume loss of the steel ball. The results indicated that the MoS₂ additive reduced the coefficient of friction and wear scar diameter compared to pure palm olein grease. The value of 0.5 wt.% was considered the optimum value, reflecting the best grease performance indicated by low friction coefficient, wear diameter, wear depth, and volume loss. Elemental analysis revealed that the MoS₂ additive was deposited onto the wear tracks, improving the surface protection. Thus, this additive was found to have a good potential for improving palm olein-based grease.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | palm oils |
| AGROVOC Term: | greases |
| AGROVOC Term: | steel |
| AGROVOC Term: | lubrication |
| AGROVOC Term: | additives |
| AGROVOC Term: | research |
| AGROVOC Term: | friction |
| AGROVOC Term: | performance index |
| Geographical Term: | Malaysia |
| Uncontrolled Keywords: | Four-ball, friction, MoS2 , palm olein grease, wear |
| Depositing User: | Ms. Azariah Hashim |
| Date Deposited: | 22 Apr 2026 01:20 |
| Last Modified: | 22 Apr 2026 01:20 |
| URI: | http://webagris.upm.edu.my/id/eprint/2967 |
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