...Yiling Pan; Jingfu Song; Tianqiang Yin; Gai Zhao; Qingjun Ding Purpose The purpose of this paper is to investigate the effect of 3 wt.% copper oxide (CuO), zirconium dioxide (ZrO₂) and silicon dioxide (SiO₂) nanoparticles on the mechanical, thermal and tribological properties...

... and surface analysis methods, the anti-wear properties and lubrication mechanisms were analyzed. Findings Transmission electron microscopy images revealed that the size of the nanoparticles of g-C₃N₄ ranges from 10 to 100 nm. Phase analysis of the g-C₃N₄ sample...

... to analyze the use of hexagonal boron nitride nanoparticles blended in the lubricating oil of a diesel engine. The target was to minimize frictional power losses and wear of cylinder liner surfaces to validate what was observed in laboratory and to confirm improvements in thermal efficiency. Design...

... type of water-based lubricant with excellent lubricating properties and anti-rust properties. Nanoparticles dispersed in water can exist in the form of nanoparticles or as a lubricating film on the surface of friction pairs, improving lubrication performance and enhancing antifriction and wear...

...Zhicai Du; Qiang He; Hengcheng Wan; Lei Zhang; Zehua Xu; Yuan Xu; Guotao Li Purpose This paper aims to improve the tribological properties of lithium complex greases using nanoparticles to investigate the tribological behavior of single additives (nano-TiO₂ or nano-CeO₂...

... composites Nanoparticles Wear testing Metal-matrix nanocomposites – having at least one nanosized component – can provide different functional properties. While mechanical strength increases, their ductility remains at an acceptable level (Mazahery and Shabani, 2012). Nanocomposites can be produced...

.... Design/methodology/approach In this investigation, AA8090 aluminum alloy metal matrix composite was fabricated using different types of carbide nanoparticles such as vanadium carbide (VC), Cr₃C₂ and Mo₂C by stir casting method and tribological and mechanical behaviors...

... nanolubricants to thermal degradation under elevated temperature. Design/methodology/approach This study evaluates the oxidation stability and tribological performance of nano-enhanced biolubricants. Graphene and maghemite nanoparticles at 0.1% volume concentration were dispersed into coconut oil. Oxidation...

...Deepak Byotra; Sanjay Sharma Purpose This study aims to investigate the performance improvement of journal bearing by applying the arc-shaped textures on various regions of bearing expressly full, second half and pressure increasing regions operating with and without nanoparticles in the lubricant...

...Arun Bangotra; Sanjay Sharma Purpose This study aims to investigate the impact of surface waviness on the static performance parameters of hydrodynamic journal bearings operating with lubricants containing copper oxide (CuO) and cerium oxide (CeO₂) nanoparticles. Design/methodology...

... polymerization method was used to prepare Poly(N-isoprolylacrylamide) (PNIPAM) microgels. A ball-on-disk tribometer was applied to investigated the temperature-sensitive lubrication behavior of PNIPAM microgels. Findings The results show that the as-prepared microgels are ball-like nanoparticles...

... studies have been carried out with metal-base nanomaterials. Among metallic nanoparticles, Ag-base nanoparticles have received particular attention owing to their stable chemical characteristic, soft quality and high ductility, indicating an effective lubricating material (Si et al., 2018...

... by adding nanoparticles at extreme pressure (EP) conditions in comparison with commercial lubricant SAE-40. Design/methodology/approach This research involved the synthesis of cotton-biolubricant by transesterification process and then the addition of nanoparticles in it to improve anti wear (AW)/EP...

...Hong Zhang; Sheng Han; Wenjing Hu; Jiusheng Li Purpose The purpose of this paper is to improve the properties of metal nanoparticles which are easy to agglomerate and hard to disperse evenly, thus limiting the application of metal nanoparticles in grease. A novel technology was proposed...

... by the contact between the cylinder liner and the piston rings. Design/methodology/approach In this study, real piston ring-cylinder specimens were tested with reciprocating tribometer by using five different nanoparticles added to engine oil to investigate their wear and friction behavior. Findings...

...Rajeev Nayan Gupta; Harsha A.P. Purpose The present work aims to formulate nanolubricants and improve antiwear, antifriction and extreme pressure (EP) performances of castor oil (CO) with surface-modified CuO nanoparticles as an additive in the boundary lubrication regime. Design/methodology...

...Laura Peña-Parás; Patricio García-Pineda; Demófilo Maldonado-Cortés; Gerardo Tadeo Garza; Jaime Taha-Tijerina Purpose The purpose of this work is to investigate the effect of temperature on the extreme-pressure (EP) properties of CuO and TiO₂ nanoparticle-filled polymeric lubricants...

.... Findings The result obtained from BBD has shown that the most influential parameter was speed, followed by concentration of TiO₂ nanoparticles and then normal load. Analysis of variance indicated that the proposed experiment from the quadratic model has successfully interpreted the experimental...

...Sharul Hafiq Roslan; Sharifah Bee Abd Hamid; Nurin Wahidah Mohd Zulkifli Purpose The purpose of this study is to synthesise and characterise surface-capped molybdenum sulphide (SCMS) nanoparticles using the solvothermal method and to investigate their tribological behaviour towards friction...

...Laura Peña-Parás; Demófilo Maldonado-Cortés; Jaime Taha-Tijerina; Patricio García-Pineda; Gerardo Tadeo Garza; Mariana Irigoyen; Jorge Gutiérrez; Dario Sánchez Purpose – The purpose of this paper is to evaluate the extreme pressure properties of CuO and TiO₂ nanoparticle additives...