Journal of Tribology: Recent submissions
Now showing items 881-900 of 7312
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Analysis and Experimental Research on the Fluid–Solid Coupled Heat Transfer of High-Speed Motorized Spindle Bearing Under Oil–Air Lubrication
(The American Society of Mechanical Engineers (ASME), 2020)For high-speed motorized spindle bearing, temperature rise is the primary factor that restricts the maximum speed of spindle and affects the stability of system. This paper addresses the lubrication and cooling of spindle ... -
Comparison of Dry Sliding Tribological Behavior of Nanostructured Al2O3–13 wt% TiO2 Coatings Prepared by High-Efficiency Supersonic Plasma Spraying and Atmospheric Plasma Spraying
(The American Society of Mechanical Engineers (ASME), 2020)Plasma-sprayed ceramic coatings have been widely used in friction and wear protection of mechanical parts. In this paper, the nanostructured Al2O3–13 wt% TiO2 coatings were prepared by high-efficiency supersonic plasma ... -
Fretting Tribocorrosion Behaviors of Marine Mooring Chain Steel 22MnCrNiMo in Artificial Seawater
(The American Society of Mechanical Engineers (ASME), 2020)The fretting wear behaviors of mooring chain steel 22MnCrNiMo specimens were evaluated in pure water and artificial seawater using a pin-on-flat configuration with 500-μm amplitude at room temperature for 2 h. Open-circuit ... -
Measurement of Real Contact Area for Rough Metal Surfaces and the Distinction of Contribution From Elasticity and Plasticity
(The American Society of Mechanical Engineers (ASME), 2020)The measurement of the real contact area between rough surfaces is one of the most challenging problems in contact mechanics and is of importance to understand some physical mechanisms in tribology. Based on the frustrated ... -
An In Situ Fabrication of CuGa2 Film on Copper Surface With Improved Tribological Properties
(The American Society of Mechanical Engineers (ASME), 2020)Interface interaction between gallium-based liquid metal and copper-based materials results in the formation of intermetallic CuGa2 grains. In particular, CuGa2 grains are able to produce a uniform film and the newly formed ... -
Improving Precision in Aluminum Alloy Machining Due to the Application of Diamond-Like Carbon Thin Film
(The American Society of Mechanical Engineers (ASME), 2020)Cutting precision is extremely affected by a phenomenon known as built up edge (BUE) that occurs on tungsten carbide tools during low cutting speed of aluminum alloy. BUE is responsible for early tool breakage due to ... -
Characterization of Sintered Bronze–MoS2 Composite With Solid Lubrication Effect
(The American Society of Mechanical Engineers (ASME), 2020)The most efficient method to reduce material loss and frictional energy losses is by using lubrication. An alternative is the use of solid lubrication, specifically by using solid lubricants evenly distributed in a metallic ... -
Tribological Performances of Graphite and Hexagonal Boron Nitride Particles in the Presence of Liquid
(The American Society of Mechanical Engineers (ASME), 2020)This article focused on the effects of the presence of liquid on tribological performances of graphite and hexagonal boron nitride (hBN) particles at ambient atmosphere. Two tribological tests conditions have been evaluated ... -
Strength Against Fracture of End Hemispherical Cavity Roller Under Static Loading: Experimental and Simulation Investigation
(The American Society of Mechanical Engineers (ASME), 2020)Enhancement in fatigue life of the rolling-element bearing has been captivating since years. The hollow concept had been triggered years back; however, it could not catch widespread applications due to catastrophic failure. ... -
Friction Forces in a Linear-Guideway Type Recirculating Ball Bearing Under Grease Lubrication
(The American Society of Mechanical Engineers (ASME), 2020)This paper deals with friction forces in a linear-guideway type recirculating ball bearing (linear bearing) under grease lubrication. During the experiments, the friction force, temperature, and electric contact voltage ... -
Film Thickness and Friction Investigations in a Fluid Film Thrust Bearing Employing A New Conceived Micro-Texture on Pads
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents the performance behaviors (coefficient of friction, minimum film thickness, and pressure distributions) of a fluid film thrust bearing using a newly conceived micro-texture on pads. In the numerical ... -
A Transient Mixed Elastohydrodynamic Lubrication Model for Helical Gear Contacts
(The American Society of Mechanical Engineers (ASME), 2020)In this study, a non-Newtonian, transient, isothermal, mixed elastohydrodynamic lubrication (EHL) model is proposed for helical gear contacts. The model accounts for nonelliptical contacts subject to spatially varying ... -
In Situ Investigation of Load-Dependent Nonlinearities in Tangential Stiffness and Damping of Spherical Contacts
(The American Society of Mechanical Engineers (ASME), 2020)Seemingly stationary (pre-sliding) interfaces between different materials, parts, and components are major sources of compliance and damping in structures. Classical pre-sliding contact models assume smooth elastic contact ... -
Tribological Performances of Modified Babbitt Alloy Under Different Sliding Modes
(The American Society of Mechanical Engineers (ASME), 2021)This paper aims to improve wear resistance of bare Babbitt modified by CuLa and evaluates the effect of different sliding modes on tribological properties of bare Babbitt, Babbitt modified by 0.5 wt% CuLa (marked by ... -
Surface Texture Characterization of Metal Selective Laser Melted Part With Varying Surface Inclinations
(The American Society of Mechanical Engineers (ASME), 2021)Additive manufacturing offers the advantage of infinite freedom to design and fabricate complex parts at reduced lead-time. However, the surface quality of additively manufactured parts remains well behind the conventionally ... -
Tribological Behavior of Surface Textured Short Carbon Fiber-Reinforced Nylon Composites Fabricated by Three-Dimensional Printing Techniques
(The American Society of Mechanical Engineers (ASME), 2021)In this paper, short carbon fiber-reinforced nylon (SCFRN) composites were fabricated using the fused deposition modeling (FDM) technology. In particular, different surface textures, namely convex squares and triangles, ... -
Realization of a Novel Morphing Surface Using Additive Manufacturing and Its Active Control in Friction
(The American Society of Mechanical Engineers (ASME), 2021)As the need for higher efficiency of engineering components increases, so does the demand for functional surfaces. While various tribosurfaces (e.g., texturing and coatings) have been developed, many researches are aimed ... -
The Effect of Bionic 3D Printed Structure Morphology on Skin Friction
(The American Society of Mechanical Engineers (ASME), 2021)Dragonfly has remarkable flight efficiency, with unique wing structural properties such as the surface topological vein structures, corrugation, etc. The object of this paper is to identify how the polygonal patterns of ... -
Intrinsic Heat Treatment Induced Graded Surficial Microstructure and Tribological Properties of Selective Laser Melted Titanium
(The American Society of Mechanical Engineers (ASME), 2021)In the course of the selective laser melting (SLM) process, the part is built layer by layer involving partial remelting/heating of the previous layer, called as intrinsic heat treatment. Therefore, superficial properties ... -
Microstructure and Wear Behavior of Nano-TiB2p/2024Al Matrix Composites Fabricated by Laser Direct Energy Deposition With Powder Feeding
(The American Society of Mechanical Engineers (ASME), 2020)The purpose of this study is to investigate the effect of TiB2 content on the microstructure and wear behavior of nano-TiB2p/2024Al composites fabricated by laser direct energy deposition (L-DED). The dry sliding friction ...