.... Wear and frictional behaviors are important when the TBCs are subject to foreign object contact. To characterize the wear performance of TBCs, this study presents an improved discrete element method (DEM)-based model to investigate the wear mechanisms induced by friction at the microscopic level...

...Yizhuo Chen; Honghao Zhao; Shaoguang Feng; Wenbo Yang; Haiyang Liu; Fei Guo This study explores the complex nonlinear relationship between wear and noise, expanding traditional tribological methods. We conducted friction and wear experiments using two polymers and six metals across a wide...

... behaviors and wear mechanism of textured leaded brass/C45 steel friction pairs lubricated by 10# aviation hydraulic oil with six texture sizes and two rotating speeds were researched by wear test, with the aim of optimizing the tribological characteristics of the textured friction pairs. Furthermore, a time...

... oil with and without additives. Wear tests were evaluated by examining the friction coefficient, specific wear rate, wear temperature, and wear scar morphology. Optimum performance was obtained at a nanoparticle concentration of 0.5 mg/mL. Adding Fe 2 O 3 , MXene, and g-C 3 N 4 nanoparticles...

..., temperature distribution, tool wear, and motor current drawn are monitored and analyzed. It is found that stable machining conditions are observed when using UCO as a lubricant as the values of surface roughness, temperature distribution, and tool wear are very consistent for three different cutting speeds...

...Dhanunjay Kumar Ammisetti; S S Harish Kruthiventi In the present work the effect of graphene/ Al 2 O 3 on the microstructure, mechanical, and wear characteristics of AZ91 alloy was studied. The composites with various proportions of graphene/ Al 2 O 3 are prepared using inert gas assisted stir...

...Ying Xu; Kang Fu; Shengfang Yu; Lulu Yao; Yufu Xu To address friction and wear issues in machining AISI 1045 steel, a novel oil-in-water microemulsion cutting fluid was developed using white oil, water, and eco-friendly additives (tricarboxylic acid and tall oil fatty acid amide). Tribological...

...Xiaoyi Wang; Huaxi Zhou; Jinglun Xie; Chang-Guang Zhou; Yi Zhang Wear-induced degradation in linear motion ball guides (LMBGs) can significantly impact the precision of computer numerical control (CNC) machine tools. The wear coefficient is a critical parameter determining the wear rate. However...

... on SiC has not been thoroughly studied. This research employs a ball-on-disk friction and wear method to evaluate the effects of different electrolyte solutions (strong acid, strong base, and neutral electrolyte) and electrolyte concentrations on the electrochemical anodic oxidation reaction of single...

...Xin Liu; Jing Zhang; Peng Sui Under lean lubrication conditions, as well as during cold and hot starts of the engine, the cylinder liner and piston rings experience significant wear, which affects the engine's efficiency and lifespan. The dry friction and wear behaviors of HT200 encountered...

... objectives, such as a high coefficient of friction, low rates of wear, consistent performance across various operational circumstances, and resistance against thermal deterioration. Many significant advancements have been made today to improve the frictional performance of friction materials in wind turbines...

... contact mechanics wear wear mechanisms Slurry erosion is a type of wear, where degradation occurs due to the impact of solid particles of the eroded surface suspended in a liquid medium [ 1 ]. Slurry erosion is a serious problem in maritime industries, oil and gas production as well as mining...

...Kishan Nath Sidh; Harish Hirani Accurately assessing wear volume is critical for advancing material development, improving manufacturing practices, and extending the lifespan of mechanical components. In four-ball tribometer tests, traditional methods typically estimate wear volume based on wear...

...Noël Brunetière During the wear process of surfaces in sliding friction, there is a running-in period during which the topography of surfaces changes with time before reaching the steady wear regime. In the steady wear regime, the statistical parameters used to describe the topography...

... , “ Selection of Bearings ,” Industrial Tribology: The Practical Aspects of Friction, Lubrication and Wear , M. H. Jones , and D. Scott , eds., Elsevier Scientific Publishing Company , New York, USA . [2] Williams , J. , 2005 , Engineering Tribology , Cambridge University Press...

... the inclusion of Ag notably decreased the coefficient of friction (COF) at elevated temperatures, no distinct trend in COF was observed for the tests conducted at 25 °C. The composite coating containing 5 vol% Ag exhibited superior friction and wear performance at 25 °C and 450 °C. The addition of Al 2 O 3...

...Sikta Panda; Gaurab Kumar Ghosh; Ritesh Kumar Patel; Subrata Kumar Ghosh; Sandeep Bhoi Effective lubrication is one of the most vital aspects for desirable productivity in mechanical systems. This can be achieved through reduced friction and wear between mating components by proper lubrication...

... elastic stresses and are certainly an undesired form of damage which may evolve under further loading. functionally graded materials friction line contact subsurface stress field fracture sliding surface layers wear The case of fatigue loading, on the other hand, is more complex...

... by Physical Vapor Deposition High Power Impulse Magnetron Sputtering. Moreover, a lacuna exists in the literature concerning the milling of Inconel ® 718 and the selection of ideal machining parameters. Based on this, the surface roughness (R a ), the evolution of flank wear, wear mechanisms, and the tool...

..., an analysis of the tribological performance of potential coating material candidates was conducted. This study focuses on evaluating the friction and wear characteristics of various coatings widely used by industry for surface protection, including carbides, nitrides, diamond-like carbon (DLC), and solid...