Journal of Tribology: Recent submissions
Now showing items 101-120 of 7312
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Optimization and Dynamic Modeling of Friction Losses in Reciprocating Diesel Engines With Emphasis on Rod-Crank Geometry and Ring–Cylinder Contact
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This technical report presents a physics-based model to quantify frictional power losses in a reciprocating diesel engine, focusing on the effects of the connecting-rod-to-crank-radius ratio (L/r) and piston-ring ... -
Performance Evaluation of Multi-Additive TMPTO Bio-Lubricant: Friction, Wear, and Diesel Engine Efficiency
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The growing demand for sustainable lubrication solutions has driven the development of bio-based esters such as trimethylolpropane trioleate (TMPTO), which exhibit excellent biodegradability and intrinsic lubricity ... -
How Hydrogen Bonding Affects Mechanical Properties of Simple Lithium Lubricating Grease
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The effect of hydrogen bonding on the mechanical properties of lubricating greases (LGs) is examined. Four greases are prepared in an attempt to isolate the hydrogen bonding interactions within the LG system. ... -
A Tribochemical Analysis of Lubricants From Field Trials of Hydrogen-Assisted Dual Fuel Internal Combustion Engines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The article reports on the tribological performance of lubricant samples siphoned from hydrogen-assisted diesel engines of trucks participating in a real-world field trial. Lubricant rheology, as well as the ... -
Thermal Behavior of a Marine Lip Seal Package
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In this article, the thermal behavior of a marine thruster lip seal package operating fully submerged under realistic conditions was investigated. The study was conducted with a focus on developing a condition ... -
Transient Lubrication Characteristics and Wear Behavior in VL-Type Reciprocating Seals
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. V-Lip type (VL-type) reciprocating seals are widely used in critical applications such as aerospace and heavy machinery due to their superior sealing performance and durability. With increasingly extreme operating ... -
Mechanisms of Abrupt Changes in the Starting Torque of Magnetic Fluid Seals Induced by the Microscopic Magnetic Field-Induced Chain Structure
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. A relatively successful application of magnetic fluids is their use in airborne electro-optical pods. Modern electro-optical pods increasingly demand miniaturization, lightweight design, and high precision. This ... -
Channel-Weighted Adaptive Cross-Domain Fault Diagnosis of Rolling Bearings Under Varying Operating Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In practical engineering applications, single-channel information often suffers from weak directionality and limited representational capability. Additionally, in cross-domain diagnostic tasks, the accumulation ... -
High-Temperature Tribological Performance of Additively Manufactured Inconel 718/Al2O3 Metal Matrix Composite Coatings
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The wear mechanisms of an additively manufactured Inconel 718/Al2O3 metal matrix composite (MMC) coating under both the ambient and high temperatures are investigated. First, a powder-fed laser-directed energy ... -
An Integrated Modeling Method With High Fidelity for Journal Bearings of Wind Turbine Gearbox
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Conventional tribological simulations for planet gear journal bearings (PGJBs) in wind turbine gearboxes often neglect the synergistic effects of PGJB full-lifecycle parameters, making it difficult to precisely ... -
Lubrication Characteristics of Planar and Arc Structural Water-Lubricated Bearings Under Mixed Thermal Elastohydrodynamic Conditions With Journal Misalignment
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. To investigate the steady-state lubrication characteristics of water-lubricated bearings dominated by journal misalignment, this study establishes a mixed thermal elastohydrodynamic lubrication (TEHL) model that ... -
Power Loss Mechanism and Efficiency Optimization of Marine Propulsion Shafting: An Integrated Framework Coupling Dynamic Alignment and Whirling Vibration
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Energy losses occurring during power transmission in marine propulsion shafting constitute a critical factor that constrains the overall transmission efficiency, with their underlying loss mechanisms involving ... -
Research on the Drag Torque and Power Loss Characteristics of Wet Clutches Based on a Coupled Tribological and Machine Learning Model
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Drag torque generated in disengaged wet clutches constitutes a critical factor causing power loss, efficiency reduction, and reliability issues in transmission systems. To achieve accurate prediction of drag ... -
Performance Improvement of Water-Lubricated Sliding Tribo-Pairs of Nylon Fiber-Based UHMWPE Composite and 304 Stainless Steel Using Surface Microgrooves/Textures
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This article presents experimental and numerical investigations pertaining to the tribological performance improvement of the water-lubricated tribological pairs formed between a nylon fiber-based ultra-high ... -
Boundary Lubrication Behavior of Graphene-Infused Palm Kernel Oil Under High-Pressure Forging Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study investigates the tribological performance of palm kernel oil (PKO) enhanced with 0.1 wt% AD-graphene A+ nanoplatelets for cold forging applications. Three lubricants were evaluated: commercial grease, ... -
Experimental Investigation of Electrical Contact Failure Mechanisms of Spring Blade Components Under Lateral Fretting at Power Current Levels
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In this work, the electrical contact degradation characteristics of spring blade components in power connectors under a lateral fretting environment are investigated experimentally. The typical evolution processes ... -
Surface Deformation Micromechanics of Erosion Damage on SKD11 Alloy Steels
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Although the abrasive wear behavior of SKD11 has been broadly studied, the performance of this material under severe erosive wear conditions remains insufficiently understood. Meanwhile, the erosive wear commonly ... -
An Efficient Semi-Analytical Method for Modeling Contacts in Multilayer Helical Strand Cables Under Microslip Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Multilayer cables are extensively used owing to their high strength, flexibility, and durability. Under external forces, cyclic loadings induce slip and microslip at strand contact points, leading to fretting, ... -
Elastic Shakedown Analysis of Graded Coatings in Lubricated Contact Considering Interfacial Strength
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Functionally graded coatings are increasingly employed to alleviate interfacial stress concentrations and enhance surface durability. However, the elastic shakedown behavior of graded coating–substrate systems ... -
Indenter Orientation-Dependent Scratch Behavior and Size Effect in Single Crystalline Copper
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The orientation of the pyramidal indenter critically influences slip system activation and dislocation accumulation, thereby complicating the interpretation of tribological responses at small deformation scales. ...