...) being a primary focus, due to their potential for significantly reducing emissions. This study investigates the efficiency of selected lubricants in the context of an electric axle (E-axle) drivetrain, a key component in BEVs. Compared with conventional vehicles, driveline efficiency may be viewed...

... and lubrication. Special emphasis is placed on the challenges posed by elastohydrodynamic (EHD) lubrication in the presence of electrical potential and the impact on durability, highlighting the need for further research. The article concludes by emphasizing the importance of collaboration among original...

... testing, conductive deposit tests, material compatibility tests, and oil analysis—were conducted. Copper sulfide, known for its conductive properties, was found in failed machines and during subsystem tests with lubricants containing reactive sulfur components in contact with exposed copper. Two...

...Lalit Dehariya; Rakesh Narayana Sarma; Anju Vakakuzhiyil Gopinathan; Satish V. Kailas; Suvin Parayantayyathu Somarajan; Vimal Edachery Cutting fluids are crucial to machining, providing essential lubrication and thermal management during the process. Commercial Cutting Fluids (CCF) are generally...

...Jacob Bonta; Jonathan T. Pham The effect of base oil viscosity and temperature on the thixotropic recovery of lubricating grease (LG) is investigated via shear rheology. The viscosity of the base lubricant phase of LGs impacts the storage modulus in both the undisturbed and post-sheared states...

... with higher thickener concentrations, achieving rheological performance comparable to commercial grease. It is envisaged that garlic oil-filled grease with WCO as base oil will not only have good lubricating properties but will also pose minimum environmental hazards. Email: aamirhamid1118@gmail.com...

...Bing Wu; Lin Zhu; Yunyun Sun; Shijing Wu To investigate the lubrication mechanism of carbon nanospheres and compare their tribological performance with carbon powder, this study presented a comprehensive analysis of their potential as lubricant additives through both experimental testing...

...Xiaohan Zhang; Yao Liu; Wenbin Duan; Zhaogang Jing; Feng Guo; Peng Liang; Ling Ma This study investigates the film formation mechanism of lubrication using a small quantity of lubricating medium in a water environment. A roller-on-disc test rig combined with a fluorescent technique is employed...

... wear (TW) are the most common problems when applying conventional machining (CM) and hybrid machining processes, i.e., additive manufacturing (AM) followed by milling, resulting in a meagre final product finishing. Regarding cooling/lubricating environments, miscellanea of methods can be effectively...

... for further improvements, particularly in the broader field of lubrication, including areas like grease. As in any mechanical system, greases and lubricants play a significant role in the component life of EV power plants and drivetrains. Moreover, they can significantly contribute to vehicle efficiency...

... is vital for ensuring the smooth lifting and lowering of the submersible. The plunger pair, which constitutes the most significant friction pair in plunger pumps, plays a pivotal role in determining both the service life and volumetric efficiency of the pump through its friction, lubrication, and sealing...

...Leonardo I. Farfan-Cabrera; Seungjoo Lee; Sean Skowron; Ali Erdemir Considering the growing interest in increasing the performance and efficiency of driveline components of modern electric vehicles, this work aims to analyze and report the wear mechanisms and notable enhancement of the lubrication...

...Prasad Sanjaykumar Sanap; Rohan Sangam Singh Thakur; Amit Prabhakar Pratap To overcome the issues related to low-temperature characteristics and thermal degradation of fatty acid-based lubricant base stocks, chemical modification is essential. To mitigate these shortcomings, considering unsaturated...

...Lucas Hildebrand; Philipp Beierer; Thomas Lohner; Karsten Stahl For the reliable operation of a gearbox, consistently sufficient lubrication of machine elements is necessary. Thus, the gearbox fluid flow plays an important role. The state of the art indicates that computational fluid dynamics (CFD...

...Hao Ji; Tao Yu; Xiaohan Zhang; Feng Guo; Peng Liang; Gerhard Poll Previous research has revealed that introducing a secondary lubricating medium can temporarily enhance water-lubricated bearing performance, thereby reducing the risk of lubrication failure under challenging conditions. This study...

...Scott Bair; Wassim Habchi Seventeen years have passed since the first full elastohydrodynamic lubrication (EHL) simulation employed the real pressure and shear dependence of viscosity measured in viscometers to accurately predict film thickness and friction. This is the appropriate time...

... control ring–cylinder liner conjunction of lubricants with anti-wear additives, varying dispersant concentration, and a range of friction modifiers. Experiments are conducted at a range of temperatures on a cylinder liner with a nickel silicon carbide coating. A novel motored reciprocating tribometer...

... Stiffness Characteristics of Double-Row Angular Contact Ball Bearings Under Different Working Conditions ,” Lubricants , 11 ( 2 ), p. 44 . 10.3390/lubricants11020044 [11] Xu , H. , Wang , P. , and Ma , H. , 2022 , “ Contact Characteristics Analysis of Deep Groove Ball Bearings Under...

... the dynamic film-forming behavior of lubricating grease under steady-state and micro-oscillation conditions. It is found that free water causes a brief rise in the grease film under steady-state conditions, specifically due to the grease-water phase connecting the oil reservoirs on both sides. The experiment...

... elastohydrodynamic lubrication hard disk drives lubricants magnetic bearings seals Magnetic torque M × H and viscous torque ( ω p − Ω ) in ferrofluid flow generate the rotational viscosity in ferrofluids [ 1 , 56 , 57 ]. In the presence of the magnetic field, the fluid and particles...