... that the post-treatment reduced the wear rates and the friction coefficients of the coating. The wear mechanisms of both coatings were described to explain the differences. Moreover, the mechanism of the improved tribocorrosion resistance of the coating after post-treatment was explained. 02 08 2024 04...

... the tribological properties of the composites under the most severe conditions of 70°C and PV value of 30MPa·m/s. At two ambient temperatures, pure POM and its composites exhibit the lowest friction coefficient at PV value of 6MPa·m/s and the smallest specific wear rate at PV value of 20MPa·m/s. The friction...

... their tribological behavior is critical, as the performance and durability of several mechanical systems, particularly in gas turbine engines, are often constrained by friction and wear in complex contacting and mobile assemblies. This study investigates the tribological behavior of two widely used titanium alloys...

... restrictors, the graphene/porous bronze composites were prepared by combining powder metallurgy (PM) and chemical vapor deposition (CVD) in this study. On this basis, studies on the friction and wear performance of porous composites were carried out. The prepared porous composites and the friction surfaces...

...Luanxia Chen; Zhanqiang Liu; Haihong Huang; Yingying Zhu As the critical friction pairs of swashplate-type axial piston pumps, the cylinder block/valve plate lubricating interface is the primary source of friction, wear, and leakage in axial piston pumps. Surface micro-texturing has been widely...

... an abrasive effect and localized cracks. However, coatings with moderate Ti content (9.62 at%) effectively protected the substrate from significant wear at room temperature and maintained a low coefficient of friction at high temperatures without failure. References [1] Fouvry , S. , Paulin , C...

...Soni Kesarwani; Narayana Yuvaraj; Mahendra Singh Niranjan The cold metal transfer (CMT) based wire arc additive manufacturing (WAAM) technique has limited wear applications compared to other manufacturing methods due to its lower wear resistance. However, integrating friction stir processing (FSP...

...Md. Saddam Hossen; Jeremiah Westrum; Matthew Shultz; Hua Tan; Dave Kim This study aims to improve the accuracy of the pulling force estimation by establishing the variable friction model of the dry-lubricated split sleeve when cold working an aluminum 2024-T3 hole. The variable friction model...

... surgical navigation system shows the potential to improve position precision; however, it relies on needle–tissue interaction model and parameter identification to provide essential information for improving needle insertion accuracy, in which the friction coefficient is an important parameter...

... in electromechanical contacts. This study reports the current–voltage–friction characteristics of lithium mineral oil grease using a ball-on-disk configuration under combined electrical and mechanical loading. The characteristics indicated a transition of the lubricated contact from a non-conducting state...

... Division of ASME for publication in the J ournal of T ribology . 05 12 2023 01 08 2024 01 08 2024 08 11 2024 Graphical Abstract Figure bearing design and technology elastohydrodynamic lubrication friction rolling Due to the increasing demand...

...: hliang@tamu.edu Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 30 07 2024 30 09 2024 02 10 2024 06 11 2024 Graphical Abstract Figure artificial intelligence friction machine learning wear wear mechanisms...

... convex unit cylindrical surface abrasion friction National Natural Science Foundation of China 10.13039/501100001809 52105294 Natural Science Foundation of Jilin Province 10.13039/100007847 20210508034RQ YDZJ202201ZYTS380 Erosive wear is a form of wear caused...

... and increases the following friction coefficient in the acceleration stage. An increase in the equivalent radius of curvature increases the film thickness and thermal rise in the contact zone as well as decreases the friction coefficient. Since the sleeve chain is one of the most commonly used mechanism...

... tribological properties compared to MSH-GO. The findings reveal that the oil sample containing 0.5 wt% MSH-C can effectively reduce wear volume by approximately 26.4% compared to fully formulated oil, with the friction coefficient decreased to ∼0.02. scanning electron microscopy (SEM), Raman, focused ion beam...

... as a standout candidate following the exclusion of previously reported lubricant types. Comparative evaluations via four-ball friction tests and pressurized differential scanning calorimeter (PDSC) analyses reveal that XSBO’s antioxidant property is slightly inferior to the mineral oil, poly-alpha-olefin...

... in wear-rate at 80 µm, 28.2% at 120 µm, and 24.5% at 150 µm under a 15 N load and 120 m sliding distance compared to the pure alloy. There was also a 22% friction coefficient reduction with increased loads and grit sizes. Scanning electron microscope (SEM) analysis of the worn surfaces and abrasive papers...

... a maximum relative difference of less than 3.2% to the numerical simulation results, proving its efficacy. This curve is particularly beneficial for multibody-dynamics models, providing a reliable tool for predicting frictional forces in systems where elliptical EHL contacts, operating within the PE regime...

... condition of EHL stage, elevated velocities decrease the coefficient of friction and augment the film thickness. Email: duhengrui@mail.dhu.edu.cn 1 Corresponding author. Emails: jingwang@dhu.edu.cn ; wj20011226@163.com Email: wangxinqing@mail.dhu.edu.cn Contributed by the Tribology...

... austenite shallow dimples smooth grooves saplings abrasion plastic shear plastic deformation adhesion friction wear wear mechanisms Additive manufacturing (AM) is an innovative manufacturing process applied to produce products with complex geometries and various materials like metals...