Journal of Tribology: Recent submissions
Now showing items 861-880 of 7312
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Coupling Fractal Model for Fretting Wear on Rough Contact Surfaces
(The American Society of Mechanical Engineers (ASME), 2021)In this paper, a fretting damage model based on fractal theory is proposed. The Weierstrass–Mandelbrot function of fractal theory is used to represent the rough contact surface, and a corresponding contact parameter analysis ... -
Fluid–Structure Interaction Modeling of Elastohydrodynamically Lubricated Line Contacts
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents a partitioned fluid–structure interaction (FSI) solver to model elastohydrodynamic lubrication (EHL) of line contacts. The FSI model was constructed using the multiphysics simulation software ansys, ... -
Numerical Study on the Interaction of Transverse and Longitudinal Roughness on Elastohydrodynamic Lubrication Contact Surfaces With Different Thermal Conductivities and Elastic Moduli
(The American Society of Mechanical Engineers (ASME), 2020)The interaction and surface features between point contact surfaces composed of longitudinal roughness with infinite or finite length and transverse roughness were discussed based on a transient non-Newtonian thermal ... -
Cr Doped MoS2 Films: Tribological Properties, Microstructure, and Electronic Structure
(The American Society of Mechanical Engineers (ASME), 2021)Cr doped MoS2 films were deposited by magnetron sputtering. The tribological properties of Cr doped MoS2 films under vacuum (VC) and air (AR) environments were investigated. The results show that Cr doped MoS2 film with ... -
Heat Transfer Coefficient Distribution on Oil Injection Cooled Gears: Experimental Method, Uncertainty, and Results
(The American Society of Mechanical Engineers (ASME), 2021)To design gearboxes with very high power densities, an effective means of cooling the gears and knowledge of the achievable heat transfer coefficients are necessary. In this paper, a method to measure heat transfer ... -
Simulation-Driven Deep Learning Approach for Wear Diagnostics in Hydrodynamic Journal Bearings
(The American Society of Mechanical Engineers (ASME), 2020)Early diagnosis in rotating machinery has been a challenge when looking toward the concept of intelligent machines. A crucial and critical component in these systems is the lubricated journal bearing, subjected to wear ... -
Housing Profile Design for Improved Apex Seal Lubrication Using a Finite Length Roller Elastohydrodynamic Lubrication Model
(The American Society of Mechanical Engineers (ASME), 2020)Finite-length roller contacts are found in apex seal-housing interfaces in rotary engines, as well as in many other mechanical systems, such as those at the interfaces of meshing gear teeth, cam followers, and roller ... -
Magnetohydrodynamics of Lubricant in Recessed Conical Hybrid Journal Bearing With Taper Error
(The American Society of Mechanical Engineers (ASME), 2020)To improve the performance accuracy of a conical journal bearing system, the surface error needs to be considered in the analysis since a tiny difference in dimensional values can alter the performance; the consideration ... -
Dynamic Model for Friction-Induced Oxidation of Metals in Dry Sliding Processes
(The American Society of Mechanical Engineers (ASME), 2020)Oxidative mechanisms in tribological processes are commonly related with temperature and the real contact area. In this article, a lumped parameter dynamic model was developed to predict friction-generated oxide thicknesses ... -
Study on the Influence of Sand Erosion Process on the Wear and Damage of Heat-Treated U75V Rail Steel
(The American Society of Mechanical Engineers (ASME), 2020)Usually, rail materials are exactly affected by the erosion of windblown sand in the desert environment. For this reason, the influence of impact angle, particle velocity, and particle size on the erosion wear behavior of ... -
Influence of the Carbon Content on the Surface Integrity of Deep Rolled Steels
(The American Society of Mechanical Engineers (ASME), 2020)Surface integrity refers to a set of characteristics of the surface and subsurface layers that have great influence on the functional performance of mechanical components under conditions of wear, corrosion, and fatigue ... -
Filler Dispersion and Unidirectional Sliding Characteristics of As-Cast and Multi-Pass Friction Stir Processed ZrB2/AA7075 In-Situ Composites
(The American Society of Mechanical Engineers (ASME), 2020)Despite the fabrication of particulate-reinforced composites via friction stir processing (FSP), an attempt was made to utilize FSP for the homogenization of filler dispersion in ZrB2/AA7075 in-situ composites fabricated ... -
Your EHD Rig May Not Be As Elastohydrodynamic As You Think
(The American Society of Mechanical Engineers (ASME), 2021)The concentrated contact formed between a steel ball and a glass disc—the optical elastohydrodynamic lubrication (EHD) rig—has been the primary instrument for experimental investigations of elastohydrodynamic film thickness. ... -
An Incremental Equivalent Circular Contact Model for Rough Surfaces
(The American Society of Mechanical Engineers (ASME), 2021)The accurate calculation of the real contact area between rough surfaces is a key issue in tribology. In this paper, based on the geometrical information of total contact area and the number of contact patches with respect ... -
Influence of Plasticity and Friction on the Contact Mechanics of Auxetic Materials
(The American Society of Mechanical Engineers (ASME), 2020)Contact interactions play an important role in the tribological behavior of engineering materials. This paper develops a finite element model to investigate the contact mechanics and stress distribution of auxetic materials, ... -
Periodic Numerical Rough Surface Filtered Generation
(The American Society of Mechanical Engineers (ASME), 2020)Numerical surface filtered generation is one of the main methods for generating numerical rough surfaces, but when faced with rough surfaces with waviness or large periodicity, traditional filtering methods cannot be ... -
Fatigue Analysis of Spherical Contact Subjected to Cyclic Elastic-Plastic Normal Loading
(The American Society of Mechanical Engineers (ASME), 2021)Surface fatigue resulting from cyclic contact loading is a main reason for the rough surface wear. Since a rough surface consists of many asperities, the fatigue in one asperity is investigated. The multiaxial Fatemi–Socie ... -
Effect of Cu on the Tribocorrosion Behavior of Antibacterial CoCrMo Alloys in Simulated Biological Environment
(The American Society of Mechanical Engineers (ASME), 2020)CoCrMo alloy containing copper element can significantly improve the antibacterial property of the alloy. However, most metal implants often fail due to the presence of corrosion and wear. In this work, the electrochemical ... -
Thermogasodynamic Analysis of the Segmented Annular Seal
(The American Society of Mechanical Engineers (ASME), 2020)The present work deals with the thermogasodynamic analysis of the segmented annular seal provided with Rayleigh pockets. The paper is a continuation of the work presented Arghir, M., and Mariot, A. (2017, “Theoretical ... -
Tribological Property of Biocarbon-Based Magnesium Silicate Hydroxide Nanocomposite as Lubricant Additive at Different Concentrations of Additive and Dispersant
(The American Society of Mechanical Engineers (ASME), 2020)The tribological performance of biocarbon-based magnesium silicate hydroxide nanocomposite was examined as a lubricant additive by using a four-ball friction and wear tester. The effect of different concentrations of ...