... FeCoCrAlCuNi high-entropy alloy ( HEA ) coating was fabricated on bearing surface via a combination of surface texturing and plasma spraying, and its properties including phase composition, microstructure, elemental distribution, hardness and tribological properties were characterized by using X-ray...

... at: sqycan@163.com ; Risheng Long can be contacted at: etomi@163.com and Max Marian can be contacted at: max.marian@uc.cl 27 11 2024 28 12 2024 29 01 2025 © Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only Surface texturing LSR...

.../methodology/approach Pored PTFE (PPTFE) was prepared by mixing powder PTFE and citric acid and experienced a cold-press sintering molding process. Subsequently, textured surfaces were obtained with using a tattoo strategy. Surface-textured PPTFE was thus impregnated with polyethylene glycol 200, yielding oil...

...Madaparthi Abhilash; Penchaliah Ramkumar; Sankaranarayanan Vengadesan Purpose This paper aims to investigate the tribological benefits of a biomimetic teardrop surface texture inspired by snakeskin compared to conventional surface textures with the help of geometrical and flow parameters using...

... a detrimental impact on the performance of journal bearings, especially under high speeds and loads, and this negative effect can be mitigated by ensuring reliable operation and extended bearing life under demanding conditions. Surface texturing has emerged as a promising method for optimizing the performance...

... Emerald Publishing Limited Licensed re-use rights only Flank wear Wear debris Surface texturing Built up edge Dry turning Texturing Nowadays, Ti-6Al-4V is drawing significant interest in researches due to its excellent corrosion resistance, superior strength to weight ratio...

... thermal elastohydrodynamic lubrication method based on the surface texturing of the textured roller bearings is proposed, and then the effect of texture size, texture depth, texture types and slip on the contact pressure, film thickness and temperature distribution are analyzed systematically. Findings...

...Gabriel Welfany Rodrigues; Marco Lucio Bittencourt Purpose This paper aims to numerically investigate the surface texturing effects on the main bearings of a three-cylinder ethanol engine in terms of the power loss and friction coefficient for dynamic load conditions. Design/methodology...

...Gabriel Ferri; Leonardo Dias; Ruan de Carvalho; Henara Costa Purpose Surface texturing can improve the tribological performance of contacting sliding surfaces under different contact and lubrication conditions, which has been proved both numerically and experimentally. This study aims to suggest...

... the fluid flow governing Reynolds equation using the finite element method, assuming iso-viscous and Newtonian fluid. Findings The obtained results indicate that the bearing stability can be improved with the help of surface texture. Among all the investigated texture locations, the maximum increase...

...Haniff Abdul Rahman; Jaharah A. Ghani; Wan Mohd Faizal Wan Mahmood; Mohammad Rasidi Mohammad Rasani Purpose This study aims to simulate the influence of surface texturing produced via turning process toward pressure distribution and load capacity generation using computational fluid dynamics (CFD...

... is contributed by the piston ring-cylinder liner tribo pair. Hence, proper design of tribological parameters of piston ring-cylinder liner pair is essential and can effectively reduce the friction and wear, thereby improving the tribological performance of the engine. This paper aims to use surface texturing...

... scanning electron microscopy (JSM 7100F). The workpiece surface texture was studied using a Talysurf CCI Lite non-contact 3D profiler. The contact wetting angle was established with a KSV CAM 100 tester. Findings The non-toxic cutting fluid has reached comparable coefficient of friction with a coolant...

...José Jaime Taha-Tijerina; GerardoTadeo Garza; Demófilo Maldonado-Cortés Purpose The purpose of this paper is to evaluate the effects of microcavities, diameter and depth, in tribological performance, of the application of laser surface texturing (LST) and LST gradient (LSTG) techniques...

...-textured circular journal bearing. Originality/value The present study concerning the influence of surface texturing on the behaviour of the two-lobe hole-entry hybrid journal bearing lubricated with micropolar lubricant is original. The theoretically simulated results of the present study...

... properties of dimple textured surfaces. Design/methodology/approach Circular textured dimples were produced on AISI 1,045 specimen surfaces using laser surface texturing (LST) and drilled surface texturing (DST) methods. Tribological behaviors of LST, DST and non-textured specimens were studied using...

... G73, which is for erosion test for rotating apparatus. Mild steels samples were coated with alumina titania via the plasma spray method, and surface modification was done by producing different dimple densities using laser surface texturing. Two mediums were used: seawater environment and slurry...

... losses. Therefore, improving the tribological system design of the piston ring-cylinder liner pair can reduce friction losses and bring tremendous economic benefits to society. This paper aims use surface texturing, which is proving to be an effective method, for improving the tribological performance...

... placed parallel to the direction of sliding always show the better hydrodynamic effect. Furthermore, the results show that the ellipse dimples can greatly improve hydrodynamic effect of partially surface textured slider of infinite width by proper design of these texturing parameters. Originality...