Journal of Tribology: Recent submissions
Now showing items 1001-1020 of 7312
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Thermodynamics Model for Stribeck Curve and Experiments: The Role of Interfacial Interaction
(The American Society of Mechanical Engineers (ASME), 2020)A thermodynamics model was built to simulate and analyze the Stribeck curve of a lubrication system, focusing on the competition between the hydrodynamic effect of the lubricant and the lubricant–substrate interaction ... -
Controlling Mechanism of Temperature Dependence of Kinetic Friction of Ice
(The American Society of Mechanical Engineers (ASME), 2020)Ice friction is one of the major technical issues in almost every application involving ice as one of the moving parts. Very few studies have placed emphasis on the effects of temperature on ice friction at low velocities, ... -
Effect of Matrix Alloying on Braking Performance of Copper-Based Brake Pad Under Continuous Emergency Braking
(The American Society of Mechanical Engineers (ASME), 2020)The continuous emergency braking performance of copper-based brake pads alloyed with different Ni contents were tested. The results showed that the copper-based brake pad with high Ni content exhibits improved stability ... -
Investigation on Friction, Anti-wear, and Extreme Pressure Properties of Different Grades of Polyalphaolefins With Functionalized Multi-walled Carbon Nanotubes as an Additive
(The American Society of Mechanical Engineers (ASME), 2020)In the present investigation, the COOH-functionalized multi-walled carbon nanotubes (MWCNTs) having an outer diameter of 20–30 nm and length 1−2 μm were dispersed in four different grades of polyalphaolefins (PAOs; i.e., ... -
Qualitative Assessment of Contact Behavior in Fretting Wear of Dissimilar Mating Pairs Using Frictional Dissipation Energy Density Approach
(The American Society of Mechanical Engineers (ASME), 2020)Fretting is a damaging phenomenon, generally observed when a mating pair is subjected to a small amplitude of oscillatory motion. The contact behavior in fretting is governed by a complex interaction between mechanical ... -
On the Erosive Wear of Carbon Fiber-Reinforced Epoxy Composite in the Olive Oil Extraction Process
(The American Society of Mechanical Engineers (ASME), 2020)The olive pomace erosion wear behavior of carbon fiber-reinforced epoxy composite (epoxy/CF) has been analyzed. A tribological test was carried out using an in house centrifugal testing setup in order to simulate the ... -
Erosion Model for Brittle Materials Under Low-Speed Impacts
(The American Society of Mechanical Engineers (ASME), 2020)The erosion of perfectly brittle materials under low-speed impacts is studied by the combination of the Hertzian contact theory and the maximum stress criterion. It is found that the fractional erosion per impact is ... -
Analytic Calculation and Experimental Study on the Wear of the Slide Guide of Machine Tool Considering Boundary Lubrication
(The American Society of Mechanical Engineers (ASME), 2020)A slide guide is the core component of a machine tool feed system, and its wear significantly affects feeding accuracy, machining accuracy, and product quality. This study aims to obtain a suitable wear calculation model ... -
Design of Novel Gas Foil Thrust Bearings and Test Validation in a High-Speed Test Rig
(The American Society of Mechanical Engineers (ASME), 2020)Small gas foil bearings (FBs) with shaft diameter below 25 mm can find many applications in air compressors for fuel cells, electrical turbo chargers, small unmanned air vehicles, turbo alternators, etc. These small machines ... -
Maximizing the Lubricant Film Thickness Between a Rigid Microtextured and a Smooth Deformable Surface in Relative Motion, Using a Soft Elasto-Hydrodynamic Lubrication Model
(The American Society of Mechanical Engineers (ASME), 2020)We design a pattern of microtexture features to increase hydrodynamic pressure and lubricant film thickness in a hard-on-soft bearing. We use a soft elastohydrodynamic lubrication model to evaluate the effect of microtexture ... -
Journal Bearing Surface Topography Design Based on Transient Lubrication Analysis
(The American Society of Mechanical Engineers (ASME), 2020)A transient mixed lubrication model is used to study the performance of a journal bearing subjected to impulse loading, considering mass conservation and the effects of asperities on flow and contact, to explore a novel ... -
Effect of Temperature on Tribological Properties of Cu/Ti3AlC2 Composites
(The American Society of Mechanical Engineers (ASME), 2020)In aerospace and power generation, components will serve in high-temperature environments. In this work, the influence of temperature on the tribological performances of Cu/Ti3AlC2 composites was investigated from 25 °C ... -
High-Temperature Erosive Wear Behavior of High-Velocity Oxy-Fuel Sprayed Cr3C225 (Ni20Cr) Coating on (AISI 316) Austenitic Steel
(The American Society of Mechanical Engineers (ASME), 2020)AISI 316 austenitic steel is extensively used in various components of power plants like boilers, boiler tubes and pipes, which suffer severe air jet erosion. Fly ash is a major erodent in that case. Present study is ... -
A Dynamic Wear Model for Micro-Grooved Water-Lubricated Bearings Under Transient Mixed Lubrication Condition
(The American Society of Mechanical Engineers (ASME), 2020)The study presents a dynamic wear model for micro-grooved water-lubricated bearings considering the transient mixed elastohydrodynamic lubrication (mixed-EHL) condition. In the established model, the modified Archard wear ... -
Closure to “Discussion of ‘The Effect of Anisotropy on the Percolation Threshold of Sealing Surfaces’” (Yang, Z., Liu, J., Ding, X., and Zhang, F., 2019, ASME J. Tribol., 141(2), p. 022203)
(The American Society of Mechanical Engineers (ASME), 2020)We welcome the comments offered by Papangelo et al. on our paper [1] and respond to them here. We established the percolation threshold under the effect of anisotropy and compared it with the theoretical results given by ... -
Discussion: “The Effect of Anisotropy on the Percolation Threshold of Sealing Surfaces” (Yang, Z., Liu, J., Ding, X., and Zhang, F., 2019, ASME J. Tribol., 141(2), p. 022203)
(The American Society of Mechanical Engineers (ASME), 2020)A recent paper by Yang et al. [1] shows interesting results on the percolation threshold, the ratio of real contact area to nominal contact area A/A0 when the first leak channel appears across a seal interface. Percolation ... -
Compatibility of Ionic Liquid With Glycerol Monooleate and Molybdenum Dithiocarbamate as Additives in Bio-Based Lubricant
(The American Society of Mechanical Engineers (ASME), 2020)This study reports the tribological characteristics of trimethylolpropane trioleate (TMPTO) additivated with antifriction and antiwear additives, which are ionic liquid (IL), glycerol monooleate (GMO), and molybdenum ... -
Friction and Lubrication Behavior of a Selective Laser Melted Hydraulic Spool Valve Under Contaminated Conditions
(The American Society of Mechanical Engineers (ASME), 2020)Selective laser melting (SLM) technology has a great potential to reduce size and weight of hydraulic valves. However, the tribological performance of an SLMed valve has not been studied which is crucial for the performance ... -
Experimental Investigations on the Tribological Performance of Electric Discharge Alloyed Ti–6Al–4V at 200–600 °C
(The American Society of Mechanical Engineers (ASME), 2020)Nowadays, the titanium alloys observe broad applicability in aerospace, marine, automobile, and bio-medical industries due to their lightweight, bio-compatibility, good fatigue strength, and corrosion resistance. However, ... -
Mapping Raindrop Erosion of GFRP Composite Wind Turbine Blade Materials: Perspectives on Degradation Effects in Offshore and Acid Rain Environmental Conditions
(The American Society of Mechanical Engineers (ASME), 2020)Climate change is rapidly forcing the world to create renewable energy that is capable of sustaining future energy requirements globally. The generation of renewable energy at a comparatively lower cost is a major challenge ...