Journal of Tribology: Recent submissions
Now showing items 21-40 of 7021
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Innovative Advances in Electric Vehicle-Driveline Lubrication: Optimizing Lubricants for Enhanced Efficiency and Sustainability
(The American Society of Mechanical Engineers (ASME), 2025)The global reduction of CO2 emissions, including from the transportation sector, is critical for addressing climate change. New electric vehicles (NEVs) are pivotal in this effort, with battery electric vehicles (BEVs) ... -
A Procedure to Isolate the Electrical Capacitance of Tooth Contacts From Charging Curve Measurements of a Gear Stage
(The American Society of Mechanical Engineers (ASME), 2025)This article describes a procedure to partition electrical capacitance measurements of a single-stage gearbox into its individual components: the capacitances of contact zone, inlet/outlet zone of the contact, trailing ... -
A Brief Review on the Tribological Effects of Electrically Induced Bearing Damage
(The American Society of Mechanical Engineers (ASME), 2025)Over the past two decades, the phenomenon of electrical stray currents in bearings has garnered significant attention from researchers and industry professionals. With the widespread adoption of electric motors and generators ... -
Investigating the Failure Mechanism of Wet eMachines in the Presence of Transmission Oils
(The American Society of Mechanical Engineers (ASME), 2025)This paper investigates the failure mechanisms in electric machines used in heavy trucks and buses exposed to transmission oil. Five machines from field operations were examined. Subsystem tests—copper corrosion testing, ... -
A Statistical Prediction of Electrical Discharge Initiation and Semi-Analytical Transient Mixed Lubrication Model of a Rolling Element
(The American Society of Mechanical Engineers (ASME), 2024)Rolling element bearings are an integral component of electric vehicles, supporting radial and axial loads in powertrain components such as electric motor shafts and wheel bearings. Fast-switching inverters enable precise, ... -
Understanding Electric Current Effects on Tribological Behaviors of Instantaneous Current-Carrying Pair With Recurrence Plot
(The American Society of Mechanical Engineers (ASME), 2024)Armature–rail instantaneous current-carrying friction in electromagnetic launchers refers to a sliding electric-mechanical impact friction and transition-induced arc erosion on a millisecond time scale. To reveal the ... -
Study on Sealing Characteristics of T-Groove End Face Seal Based on Force Equilibrium Due to the Spring Stiffness
(The American Society of Mechanical Engineers (ASME), 2025)The selection of T-groove end face seals (T-EFS) with optimized structural parameters, based on operating conditions, is critical to regulating gas flow into the bearing chamber in aero-engine accessory gearboxes. Therefore, ... -
Friction Consumption and Leakage Performance of Step Piston in a Novel Synchronous Lubrication Radial Piston Pump
(The American Society of Mechanical Engineers (ASME), 2025)To alleviate the wear caused by insufficient lubrication of the slipper and piston pair due to the expansion of the piston pump speed range, a novel synchronous lubrication structure with step piston was proposed, which ... -
Calculation of Operational Parameter Variation of Finite Slider and Journal Bearings With Stochastic Roughness on the Stator and the Rotor
(The American Society of Mechanical Engineers (ASME), 2025)Within the framework of stochastic surface roughness representation, a recently derived Reynolds-type equation has been employed by the authors to compute the average values of a bearing’s operational parameters. To enhance ... -
Leakage Control Mechanisms and Strategies for Hydraulically Driven Controllable Rod Seals
(The American Society of Mechanical Engineers (ASME), 2024)The primary function of rod seals in hydraulic systems is to prevent the leakage of the hydraulic medium, which would otherwise result in environmental pollution and the loss of energy. However, the leakage control performance ... -
Flow Characteristics of Asymmetric Plunger Pairs in High-Pressure Plunger Pumps
(The American Society of Mechanical Engineers (ASME), 2024)The deep-sea submersible is an essential piece of equipment for deep-sea development, serving as a crucial tool for conducting exploration and operations in the deep ocean. As the core component of the hydraulic system, ... -
Influence of Groove Texture Parameters on the Friction Performance of Roller Bit Floating Sleeve Bearings
(The American Society of Mechanical Engineers (ASME), 2025)Improving the wear resistance of cone bit bearings is crucial for enhancing bit life and drilling efficiency. This study integrates surface texture lubrication with bit floating sleeve bearings. A ring-block friction ... -
Effects of Absorption on the Tribological Properties of Carbon Fiber Reinforced Polyamide-6 Composites Manufactured by Fused Deposition Modeling
(The American Society of Mechanical Engineers (ASME), 2024)The present work studied the water absorption behavior of polymeric composite materials fabricated using 3D printing technology, as well as its effect on their tribological properties. Polyamide-6 was selected as the base ... -
Environmentally Friendly MoS2-hBN Solid Lubricants: A Comprehensive Tribological Evaluation
(The American Society of Mechanical Engineers (ASME), 2024)MoS2-based solid lubricants have obtained significant attention and are extensively employed in the aerospace industry due to their desirable tribological performance. However, to enhance their performance in humid ... -
Tribological Performance of Copper Plate Rolling Liquids Under the Synergistic Effect of a Sulfur-Containing Antiwear Additive and Graphene
(The American Society of Mechanical Engineers (ASME), 2025)In this article, the tribological and rolling performance of rolling liquids formulated by adding modified graphene nanoparticles (MGr) and a thiadiazole derivative (T561) are evaluated. It is shown that when the content ... -
Equivalent Wear Study of Slipper Pair Based on the Interaction Model of Oil Film Lubrication and Eccentric Wear
(The American Society of Mechanical Engineers (ASME), 2025)The slipper pair accelerated degradation test has a long cycle time, high cost, a lack of mechanism explanation, and cannot illustrate the correspondence of wear-rate under different pressures, and there is an urgent need ... -
Dry Sliding Wear Behavior of AZ31-ZrO2 Nanocomposites
(The American Society of Mechanical Engineers (ASME), 2025)The present research investigates the influence of ZrO2 nanoparticles on the microstructural, mechanical, and tribological behavior of magnesium matrix composites fabricated through an ultrasonic-assisted stir-casting ... -
Machine Learning in Wear Prediction
(The American Society of Mechanical Engineers (ASME), 2024)As modern devices and systems continue to advance, device wear remains a key factor in limiting their performance and lifetime, as well as environmental and health effects. Traditional approaches often rely on wear prediction ... -
Numerical Analysis of the Thermal Elastohydrodynamic Lubrication Line Contact Problem Under Intermittent Motion
(The American Society of Mechanical Engineers (ASME), 2024)A mathematical model of time-varying thermal elastohydrodynamic lubrication (EHL) is developed using a sleeve chain as the object of study. The effects of thermal effect, load, speed, rest time, and equivalent radius of ... -
Full-Size Experimental Investigations on Planetary Gear Journal Bearings in High-Power Wind Turbines
(The American Society of Mechanical Engineers (ASME), 2024)To satisfy the large-scale and high-power demands of wind turbines, planetary gear journal bearings (PGJBs) have been applied in large wind turbine gearboxes (WTGs), as an alternative to traditional rolling bearings, due ...