Experimental analysis of tribological properties of lubricating oils with nanoparticle additives |
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| Affiliation: | 1. Department of Vehicle Engineering, National Taipei University of Technology, NTUT 3620, No. 1, Sec. 3, Jhongsiao E. Rd., Taipei 10608, Taiwan;2. Mechanical Industry Research Laboratory, Industrial Technology Research Institute, Hsinchu 31040, Taiwan;1. Laboratory for Tribology and Interface Nanotechnology, Faculty of Mechanical Engineering, University of Ljubljana, Bogišićeva 8, 1000 Ljubljana, Slovenia;2. Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia;3. Centre of Excellence Namaste, Jamova 39, 1000 Ljubljana, Slovenia;1. Université de Lyon, LaMCoS, UMR CNRS 5259, INSA de Lyon, 18–20 Rue des Sciences, F69621 Villeurbanne Cedex, France;2. Université de Lyon, LTDS, UMR CNRS 5513, Ecole Centrale de Lyon, 36 Avenue Guy de Collongue, F69134 Ecully Cedex, France;3. PSA Peugeot Citroën Centre Technique de Belchamp, France;4. Université de Lyon, IRCELYON, UMR CNRS 5256, 2 Avenue Albert Einstein, F69626 Villeurbanne Cedex, France;1. Laboratory of Tribology and Dimensional Metrology, Mechanical Engineering Program – COPPE/UFRJ, Federal University of Rio de Janeiro, CT: av. Athos da Silveira Ramos 149 bloco I-142b - CEP: 21941-909, Cidade Universitária, Rio de Janeiro, RJ, Brazil;2. CENPES/PDRGN/PROD, PETROBRAS, Cidade Universitária, Rio de Janeiro, RJ, Brazil;3. Mechanical Engineering Program – COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil;1. School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, Wollongong, NSW 2522, Australia;2. School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia;3. Baosteel Research Institute (R&D Centre), Baoshan Iron & Steel Co., Ltd., Shanghai 200431, China;1. Centre for Energy Sciences, Department of Mechanical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia;2. NUST School of Mechanical and Manufacturing Engineering, National University of Sciences and Technology (NUST), H-12, Islamabad 44000, Pakistan;3. Institute of Advanced Technology, University Putra Malaysia, Serdang, Selangor 43400, Malaysia |
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| Abstract: | This study examined the tribological properties of two lubricating oils, an API-SF engine oil and a Base oil, with CuO, TiO2, and Nano-Diamond nanoparticles used as additives. The friction and wear experiments were performed using a reciprocating sliding tribotester. The experimental results show that nanoparticles, especially CuO, added to standard oils exhibit good friction-reduction and anti-wear properties. The addition of CuO nanoparticles in the API-SF engine oil and the Base oil decreased the friction coefficient by 18.4 and 5.8%, respectively, and reduced the worn scar depth by 16.7 and 78.8%, respectively, as compared to the standard oils without CuO nanoparticles. In addition, investigations were performed using TEM, OM, SEM, and EDX to interpret the possible mechanisms of anti-friction and anti-wear with nanoparticles. |
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