Journal of Tribology: Recent submissions
Now showing items 681-700 of 7312
-
Polymer Lubrication: Pressure–Viscosity–Temperature Dependence of Film Thickness for Highly Loaded Compliant Contacts in Elastohydrodynamic Lubrication Regime
(The American Society of Mechanical Engineers (ASME), 2022)The relevance of the compliant contacts operated in elastohydrodynamic lubrication regime has increased during the last decades. Polymers and elastomers have been preferred because of their low-cost production or their ... -
Slip Characteristics in Cylindrical Roller Bearings—Part III: Influence of Bearing Clearance on the Roller and Set Slip
(The American Society of Mechanical Engineers (ASME), 2022)The set and roller slip of an NU215 cylindrical roller bearing with medium clearance (MC) and tight clearance (TC) classes have been tested and compared to those of extensive clearance (EC) presented in Parts I and II of ... -
Slip Characteristics in Cylindrical Roller Bearings—Part II: Influence of Cage Type on Rolling Element Slip
(The American Society of Mechanical Engineers (ASME), 2022)The rolling element slip of an NU215 cylindrical roller bearing fitted with four cage types was studied under various operating conditions. In comparison, a specially designed full complement bearing with the same principal ... -
Slip Characteristics in Cylindrical Roller Bearings. Part I: Influence of Cage Type on Rolling Set Slip
(The American Society of Mechanical Engineers (ASME), 2022)The slip behavior of four cage types was studied for an NU215 cylindrical roller bearing under radial forces lower than the minimum recommended by the manufacturer by performing force, speed, and oil flow ramp tests. In ... -
Investigations on the Load Capacity of Multilayer Foil Thrust Bearing Based on an Updated Complete Model
(The American Society of Mechanical Engineers (ASME), 2022)The multilayer gas foil thrust bearing (MLFTB) has four layers of foil structures with each having unique configuration and function. In this article, an updated complete model of the overlapped foil layers of MLFTB is ... -
An Analysis of the Load Distribution Characteristics of a Cylindrical Roller Bearing Including the Component Deformation and Waviness
(The American Society of Mechanical Engineers (ASME), 2022)Cylindrical roller bearings (CRBs) are key components of mechanical transmission systems. The internal load distribution and stiffness (LDAS) have significant effects on the bearing fatigue life and vibrations. It can also ... -
Role of Tungsten Disulfide Particles on the Microstructure, Mechanical, and Tribological Behaviors of Friction Stir-Processed Magnesium-Based Composite
(The American Society of Mechanical Engineers (ASME), 2022)Influence of tungsten disulfide particles (WS2) on the friction and wear behavior of Mg-AZ91 forms the objective of this work. Friction stir processing (FSP) has been used to fabricate FSP AZ91/WS2 composite with various ... -
Synergistic Lubrication for Textured Surfaces Using Polar and Nonpolar Lubricants
(The American Society of Mechanical Engineers (ASME), 2022)The synergistic effect of surface texturing and lubricants with various viscosity and polarity properties is an attractive and unexplored topic. In this study, surface texturing characterized by circular dimples has been ... -
Frictional Behaviors of 3D-Printed Polylactic Acid Components With Spiral-Groove Surface Textures Under Oil Lubrication
(The American Society of Mechanical Engineers (ASME), 2022)With the rapid development in additive manufacturing technology, three-dimensional (3D) printing process has been extensively utilized for the prototype manufacturing of industrial components. It is becoming possible and ... -
Experimental Investigation of the Oil Supply Layer in a Model Rolling Bearing
(The American Society of Mechanical Engineers (ASME), 2022)Most of the rolling bearings work under starvation conditions. The quantitative measurement of the oil layer may provide a new perspective on the rolling bearing lubrication. In this research, the laser-induced fluorescence ... -
Dynamic Force and Moment Characteristics of Annular Gaps—Simulation Results and Evaluation of the Relevance of the Tilt and Moment Coefficients
(The American Society of Mechanical Engineers (ASME), 2022)Nowadays, most studies of the dynamic characteristics of annular gaps focus only on the force characteristics due to translational motions, while the tilt and moment coefficients are less well studied. To expand the knowledge ... -
Frictional Anisotropy of Oriented Carbon Nanotubes/Rubber Composites and New Insight Into Its Mechanism From the Perspective of Frictional Interface
(The American Society of Mechanical Engineers (ASME), 2022)Nanomaterials as reinforcement to enhance the properties of the composite and extend its potential applications have always shown great interest. As 1D materials, aligned carbon nanotubes (CNTs) reinforced composites could ... -
Investigation of Wear Property and Strengthening Mechanism of Hot-Rolled Medium Manganese Steel on Condition of Slurry Erosion Wear
(The American Society of Mechanical Engineers (ASME), 2022)In order to further expand the application field of medium manganese steel, its wear property and strengthening mechanism under the slurry erosion wear were studied in this paper. At different erosion angles and velocities, ... -
A Proposed Pressure–Viscosity Coefficient Model Through Processing of Falling Body Viscometry Data for Di-(Ethylhexyl) Sebacate
(The American Society of Mechanical Engineers (ASME), 2022)The relative volume and falling body viscosity of a common high-pressure rheology reference lubricant, di-(2-ethylhexyl) sebacate (DEHS), are presented. Relative volume measurements up to 300 MPa are completed with a ... -
Determination of the Chip–Tool Contact Length in Orthogonal Cutting
(The American Society of Mechanical Engineers (ASME), 2022)This work presents an experimental–numerical approach aimed at determining the chip–tool contact length during orthogonal cutting of annealed AISI 4340 steel (223 HV) with TiN-coated tungsten carbide inserts. Initially, ... -
The Microstructural Properties and Tribological Performance of Al2O3 and TiN Nanoparticles Reinforced Ti–6Al–4V Composite Coating Deposited on AISI304 Steel by TIG Cladding
(The American Society of Mechanical Engineers (ASME), 2022)This investigation presents the tribological performance of (Al2O3 + TiN)/Ti6Al4V cladding deposited on AISI304 steel substrate by the tungsten inert gas (TIG) cladding approach. The microstructural characterization by SEM ... -
Deriving DataDriven Models That Relate Deterministic Surface Topography Parameters of AsBuilt Inconel 718 Surfaces to Laser Powder Bed Fusion Process Parameters
(The American Society of Mechanical Engineers (ASME), 2022)Laser powder bed fusion (LPBF) parts often require postprocessing prior to use in engineering applications to improve mechanical properties and modify the asbuilt surface topography. The ability to tune the LPBF process ... -
Contact Unloading Behaviors of ElasticPowerLaw Strain Hardening Material Considering Indenter Elasticity Effect
(The American Society of Mechanical Engineers (ASME), 2022)Both strain hardening and indenter elastic deformation are unavoidable in most engineering contacts. By the finite element (FE) method, this paper investigates the unloading behavior of elasticpowerlaw strain hardening ... -
Tribological Behavior of Electrical Connector Coatings Under Reciprocating Motion
(The American Society of Mechanical Engineers (ASME), 2022)With the rapid growth in the use of electronics, more studies are focusing on the tribological performance of electrical connectors. The most common electroplating coating materials are tin and copper. One major issue is ... -
Understanding the Role of Directional Texture in Tribofilm Evolution
(The American Society of Mechanical Engineers (ASME), 2022)This paper reports a study of the evolution of directional texture and its role in the manipulation of tribofilm layers under boundary lubrication (BL). The use of surface protective tribofilms/lubricant chemistries along ...