Journal of Tribology: Recent submissions
Now showing items 1041-1060 of 7312
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Preparation and Tribological Properties of Modified Field’s Alloy Nanoparticles as Additives in Liquid Poly-alfa-olefin Solution
(American Society of Mechanical Engineers (ASME), 2019)This study described the synthesis and the tribological properties of surface-modified Field’s alloy nanoparticles, which were prepared by a facile one-step nanoemulsion method and using ethyl carbamate as a surfactant, ... -
The Impact of Journal Bearing Wear on an Electric Submersible Pump in Two-Phase and Three-Phase Flow
(American Society of Mechanical Engineers (ASME), 2019)Electric submersible pumps (ESPs) provide artificial lift within oil wells. ESPs commonly fail from mechanical vibrations that increase as bearing clearances increase from debris, gas, and liquid pumped through the ESP. ... -
Prediction of the Pantograph/Catenary Wear Using Nonlinear Multibody System Dynamic Algorithms
(American Society of Mechanical Engineers (ASME), 2019)In this investigation, computational multibody system (MBS) algorithms are used to develop detailed railroad vehicle models for the prediction of the wear resulting from the pantograph/catenary dynamic interaction. The ... -
Study of Cavitation Bubbles Evolution for High-Speed Water-Lubricated Spiral Groove Thrust Bearings
(American Society of Mechanical Engineers (ASME), 2019)The purpose of this study is to investigate the evolution of cavitation bubbles for the high-speed water-lubricated spiral groove thrust bearing. A theoretical model of cavitation bubble evolution considering multiple ... -
Tribological Properties of Hot-Pressed SrSO4 Ceramic at Elevated Temperatures in Dry Sliding Against Alumina Ball
(American Society of Mechanical Engineers (ASME), 2019)SrSO4 ceramic was prepared by hot-pressed sintering and its friction behavior was investigated against the Al2O3 ball under the dry sliding condition from room temperature to 800 °C. From room temperature to 400 °C, the ... -
Numerical Study on Static and Dynamic Performances of a Double-Pad Annular Inherently Compensated Aerostatic Thrust Bearing
(American Society of Mechanical Engineers (ASME), 2019)The performances of aerostatic bearings have an important impact on machining accuracy in the ultraprecision machine tools. In this paper, numerical simulation is performed to calculate the static and dynamic performances ... -
Mechanical Properties and Size Effects of Self-Organized Film
(American Society of Mechanical Engineers (ASME), 2019)In our research, we have focused on the estimation of tribological and mechanical characteristics of self-organized copper film, formed through a friction of brass-steel pair in aqueous solutions of carbolic acid. We have ... -
Tribological and Wetting Properties of TiO2 Based Hydrophobic Coatings for Ceramics
(American Society of Mechanical Engineers (ASME), 2019)Hydrophobic and self-cleaning photocatalytic ceramics and concrete with potential for the superhydrophobicity are promising novel materials for civil engineering applications including buildings, bridges, road pavements, ... -
Numerical Verification of the Schroeder–Webster Surface Types and Friction Compensation Models for a Metallic Specimen in Axisymmetric Compression Test
(American Society of Mechanical Engineers (ASME), 2019)Three types of surfaces in the Schroeder–Webster (SW) theory, i.e., sliding, mixed, and sticking surfaces, have been verified via finite element analysis of an axisymmetric compression test for a metallic specimen. Judging ... -
Effect of Diethylene Glycol Dimethyl Ether–Diesel Blends on Tribological Characteristics of Base Oils
(American Society of Mechanical Engineers (ASME), 2019)In this study, tribological characteristics of diethylene glycol dimethyl ether (DGM)/diethylene glycol dimethyl ether–diesel blend A (10 vol% DGM + 90 vol% diesel)/diesel were compared after being subjected to quill ... -
Effects of Shaft Shape Errors on the Dynamic Characteristics of a Rotor-Bearing System
(American Society of Mechanical Engineers (ASME), 2019)Effects of shaft shape errors are studied on dynamic characteristics of a rotor-bearing system. Stability characteristics of the cylindrical journal bearing are studied. It is shown that the rotating speed at which the oil ... -
Dynamic Interactions Between the Rolling Element and the Cage in Rolling Bearing Under Rotational Speed Fluctuation Conditions
(American Society of Mechanical Engineers (ASME), 2019)A nonlinear dynamic model is proposed to investigate the dynamic interactions between the rolling element and cage under rotational speed fluctuation conditions. Discontinuous Hertz contact between the rolling element and ... -
Effect of Heat Treatment Temperature and Lubricating Conditions on the Fretting Wear Behavior of SAF 2507 Super Duplex Stainless Steel
(American Society of Mechanical Engineers (ASME), 2019)Super duplex stainless steel (SDSS) has excellent mechanical properties and corrosion resistance. However, currently, there are few researches conducted on its fretting wear performance. This paper studies the influence ... -
On the Thermocapillary Migration at the Liquid and Solid Aspects
(American Society of Mechanical Engineers (ASME), 2019)Thermocapillary migration is an interfacial phenomenon that describes liquid flow on a nonisothermal surface from warm to cold regions in the absence of external forces. It is a typical lubricant loss mechanism in tribosystems. ... -
Pad–Pivot Friction Effect on Nonlinear Response of a Rotor Supported by Tilting-Pad Journal Bearings
(American Society of Mechanical Engineers (ASME), 2019)This paper presents a numerical study for nonlinear rotordynamic response with bifurcations of tilting pad journal bearings when pad–pivot friction forces are taken into account. A Stribeck friction model is employed to ... -
Erratum: “Boundary Lubricating Properties of Black Phosphorus Nanosheets in Polyalphaolefin Oil” [ASME J. Tribol., 141(7), p. 072101; DOI: 10.1115/1.4043598]
(American Society of Mechanical Engineers (ASME), 2019) -
An Efficient Numerical Model of Elastohydrodynamic Lubrication for Transversely Isotropic Materials
(American Society of Mechanical Engineers (ASME), 2019)An elastohydrodynamic lubrication model for a rigid ball in contact with a transversely isotropic half-space is constructed. Reynolds equation, film thickness equation, and load balance equation are solved using the finite ... -
Estimating Antiwear Properties of Ionic Liquids as Lubricant Additives Using a QSTR Model
(American Society of Mechanical Engineers (ASME), 2019)The antiwear properties of ionic liquids (ILs) as lubricant additives were studied with polyethylene glycol (PEG) used as the lubricant base oil. The quantum parameters of the ILs were calculated using a Hartree–Fock ab ... -
Experimental Investigation on Slurry Erosion Behavior of 304L Steel, Grey Cast Iron, and High Chromium White Cast Iron
(American Society of Mechanical Engineers (ASME), 2019)The materials used for the slurry transportation system experience erosion wear due to the impact of suspended solid particles. In the present experimental investigation, a large size slurry pot tester was used to investigate ... -
Effect of Heat Treatment on Tribological Properties of Ni-B Coatings on Low Carbon Steel: Wear Maps and Wear Mechanisms
(American Society of Mechanical Engineers (ASME), 2019)Among the alternatives for using low-carbon steel in parts with heavy wear, as gears and bearing surfaces, Ni-B electroless coatings deposited on these steels are considered due to their wear resistance. Wear maps, elaborated ...