Journal of Tribology: Recent submissions
Now showing items 421-440 of 7312
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On the Study of Impact Plasto-Elastohydrodynamic Lubrication of Point Contact Problems Lubricated With Non-Newtonian Lubricant
(The American Society of Mechanical Engineers (ASME), 2024)In this study, the impact of a rigid ball on a substrate with lubricant in between is examined. A linear hardening model for the elastic/plastic substrate deformation is assumed. A power-law model is used to describe the ... -
Heat Transfer in Squeeze-Film Flow Between Rotating Disks
(The American Society of Mechanical Engineers (ASME), 2024)A numerical and experimental study is conducted to investigate the effects of heat transfer on the squeeze-film flow between two parallel rotating disks, one of which is flat while the other has a grooved, highly rough ... -
A Numerical Investigation of Mixed Thermal Elastohydrodynamic Lubrication in Tilting-Pad Journal Bearing
(The American Society of Mechanical Engineers (ASME), 2024)The tilting-pad journal bearing in the cooling system of the nuclear power plant is equipped below the ground and vertically positioned to accomplish its function for water transfer. Usually, the loading conditions are ... -
Assessment of the Tribological Performance of Diamond-Like Carbon Coatings for Differential Shafts for Electric Vehicles
(The American Society of Mechanical Engineers (ASME), 2025)An experimental study was conducted to evaluate the tribological performance of diamond-like carbon (DLC) coatings on differential shafts. The study first developed an analytical approach to identify the lubrication regimes ... -
Particle Size Effect on Abrasive Wear Behavior of All-Metal Positive Displacement Motor and Abrasive Particles Control
(The American Society of Mechanical Engineers (ASME), 2025)Downhole drilling operations expose all-metal positive displacement motors (AMPDM) to abrasives of different sizes, causing serious abrasive wear behavior. Controlling the entry of large particles into the motor by installing ... -
Insights on the Tribological Characteristics of Titanium Alloys in Demanding Environments
(The American Society of Mechanical Engineers (ASME), 2024)Titanium alloys are widely used in demanding applications due to their exceptional strength-to-weight ratio, high-temperature resilience, and excellent corrosion resistance. Understanding their tribological behavior is ... -
Thermal-Gas-Elastic Coupling Modeling and Performance Analysis of Foil Cylindrical gas Film Seal Considering Speed Slip, Temperature Jump and Shaft Misalignment
(The American Society of Mechanical Engineers (ASME), 2024)The Compliant foil cylindrical gas film seal is an advanced sealing technology designed for high-speed and high-temperature conditions in a jet engine. Its design involves using a compliant foil to create a cylindrical ... -
Integrating Friction Noise for In Situ Monitoring of Polymer Wear Performance: A Machine Learning Approach in Tribology
(The American Society of Mechanical Engineers (ASME), 2024)Friction and wear between mating surfaces significantly affect the efficiency and performance of mechanical systems. Traditional tribological research relies on post-observation methods, limiting the understanding of dynamic ... -
Triboinformatics Approach for Prediction of High-Stress Abrasive Wear and Coefficient of Friction in Al/TiC Nanocomposites Using Machine Learning Techniques
(The American Society of Mechanical Engineers (ASME), 2024)This study highlights the importance of Al–Fe–Si alloys in modern engineering for their enhanced hardness, strength, and wear resistance, improving fuel efficiency in the aerospace and automotive sectors. Data-driven ... -
Local Calculation of Load-Dependent Gear Power Losses of Cylindrical Gears
(The American Society of Mechanical Engineers (ASME), 2025)The primary design criteria for gearboxes are (i) power density and load capacity; (ii) noise, vibration, and harshness; and (iii) efficiency and heat balance. To meet these design criteria, it is essential to use accurate ... -
Theoretical Model Construction and Static Performance Analysis of Multi-Leaf Journal Foil Bearings
(The American Society of Mechanical Engineers (ASME), 2024)Multi-leaf journal foil bearing (MLJFB) structures are complex, making performance prediction challenging, and the accurate prediction of gas film thickness and pressure distributions is crucial. In this study, comsol ... -
Effect of Radial Clearance on Static and Dynamic Performances of Single-Structured Hybrid Gas-Magnetic Bearing Rotor System
(The American Society of Mechanical Engineers (ASME), 2025)As the demand for ultrahigh-speed bearings grows, hybrid gas-magnetic bearings (HGMBs) have emerged as a research focus due to the ability to integrate the merits of active magnetic bearings (AMBs) and gas bearings (GBs). ... -
Study on Internal Load Distribution of Deep Groove Ball Bearings Considering Raceway Surface Waviness
(The American Society of Mechanical Engineers (ASME), 2024)A full circumferential contact mechanical modeling study considering the effect of the contact relationship between the waviness mesoscopic profile and the rolling element on bearing load distribution is carried out. In ... -
Air Foil Thrust and Journal Bearing Coatings: A Review
(The American Society of Mechanical Engineers (ASME), 2024)Surfaces of air foil thrust and journal bearings in high-speed turbomachinery are coated to improve their operational integrity, particularly when the aerodynamic load-carrying capacity is reduced during instances of startup ... -
Influence of Post-Processing and Build Direction on the Wear Behavior of Laser Powder Bed Fused Maraging Steel
(The American Society of Mechanical Engineers (ASME), 2024)The present study investigates the effect of post-processing (heat treatment: solutionizing at 850 °C for 2 h with aging at 490 °C for 3 h and cryogenic treatment at −196 °C for 24 h) and the effect of build direction ... -
Research on the Static and Dynamic Characteristics of Porous Air Bearings Considering Annular Groove Air Supply
(The American Society of Mechanical Engineers (ASME), 2025)The article examines the dynamic characteristics of porous air bearings in the critical pneumatic hammer state (the transition state from the steady state to the pneumatic hammer state). The dynamic characteristics mainly ... -
Assessment of Tool Condition and Surface Quality Using Hybrid Deep Neural Network: CNN-LSTM-Based Segmentation and Statistical Analysis
(The American Society of Mechanical Engineers (ASME), 2025)Effective and precise prediction of tool wear plays a key role in improving machining efficiency, and product quality and reducing production cost. The majority of earlier studies have depended on limited experimental data, ... -
Improving Surface Finish of Laser Additively Manufactured Curvilinear Surfaces Via Electropolishing and Electroless Coating
(The American Society of Mechanical Engineers (ASME), 2024)Laser-directed energy deposition (LDED) is a very useful additive manufacturing technique for repairing and manufacturing complex-shaped parts compared to traditional manufacturing techniques. However, the inadequate surface ... -
Mitigating Low-Speed Crawling and Jitter in Telescopic Hydraulic Cylinders Through Stick-Slip Dynamics Analysis and Friction Reduction Strategies
(The American Society of Mechanical Engineers (ASME), 2024)This study investigates the mechanisms of jittering in telescopic cylinders and proposes effective mitigation strategies. The focus is on the dynamic behavior of hydraulic cylinders under low-speed conditions, particularly ... -
Tailoring the Tribomechanical and Corrosion Behavior of Reverse Pulse Deposited Ni–Co–P Coating Through Cobalt Content Modulation
(The American Society of Mechanical Engineers (ASME), 2024)This study explores the influence of cobalt content on the tribomechanical and corrosion properties of Ni–Co–P coatings deposited through reverse pulse electroplating. The ratio of Co salt concentration to the total Ni and ...