... from 0.022 cm/s to 16.2 cm/s. This speed range encompasses different lubrication regimes from boundary to mixed and elastohydrodynamic. Boundary lubrication (BL) regime: The boundary lubrication spans over linear speeds ranging from 0.022 cm/s to 0.2220 cm/s. In this regime, the torque remains...

...: yixin6679@163.com abrasion boundary lubrication gears grease lubrication Vibrations wear mechanisms Accepted Manuscript Not Copyedited Journal of Tribology. Received November 09, 2024; Accepted manuscript posted April 9, 2025. doi:10.1115/1.4068413 Copyright © 2025 by ASME 1 Analysis...

... energetic efforts mechanical energy dissipation boundary lubrication tribological systems vibrations In tribological systems, wear and friction are energy dissipation processes that occur when bodies in contact move relatively to each other, transferring mechanical energy. In most cases...

... shaft/planet gear contact operates. The contact primarily experiences boundary lubrication, with mixed lubrication possible at high rotation speeds. This analysis provided information for the design of a test setup and protocol that used real components and commercially available coatings. Two types...

...Chaozhen Yang; Xueshen Liu; Zhangkai Huang; Ting Wang; Meixia Chen A novel friction model for water-lubricated bearings under boundary lubrication conditions is proposed. The effects of speed, load, surface roughness, and material properties on the friction coefficient are examined. The model...

... increased by 17.3%. Li et al. [ 22 – 25 ] used the topology optimization method to determine the cooling channel and established the model of the newly designed floating sleeve. floating sleeve bearing finite difference method clearance ratio temperature abrasion bearings boundary lubrication...

... Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 11 06 2024 12 09 2024 12 09 2024 08 11 2024 boundary lubrication electrical wear lubricants third bodies wear mechanisms With the proliferation of electric vehicles (EVs...

... by the Tribology Division of ASME for publication in the J ournal of T ribology . 03 03 2024 07 08 2024 07 08 2024 13 09 2024 Graphical Abstract Figure boundary lubrication films friction lubricant additives wear mechanisms Lubricant additives are a crucial...

... . 22 05 2024 03 08 2024 05 08 2024 11 09 2024 Graphical Abstract Figure heat transfer squeeze-film fluid film lubrication boundary lubrication contact mechanics hydrodynamic lubrication mixed lubrication clutches tribological systems The flow...

.... compressor polymeric coating HFO-1234yf starved lubrication green tribology boundary lubrication coatings friction Graphical Abstract Figure 17 02 2024 18 06 2024 19 06 2024 30 07 2024 Contributed by the Tribology Division of ASME for publication in the J...

.../oleophobic surface micro-bulge structure bearing design and technology bearings boundary lubrication The temperature rise of hydrostatic bearings reduces the bearing performance greatly during high-speed operation. On the one hand, an increase in the temperature of the bearing oil film...

... boundary delamination stick-slip wear nano-tribology interface boundary lubrication China Scholarship Council 10.13039/501100004543 N/A Japan Society for the Promotion of Science 10.13039/501100001691 22H00261 Improving energy efficiency is a critical focus in various...

... 03 2024 Graphical Abstract Figure magnesium silicate hydroxide high temperature friction and wear additives chemical bonding boundary lubrication lubricant additives wear mechanisms Tsinghua University 10.13039/501100004147 SKLTKF21A02 Machinery often...

... 22 02 2024 25 03 2024 Graphical Abstract Figure loss of lubrication gears power loss frictional behavior scuffing boundary lubrication mixed lubrication surface properties and characterization tribological systems To reduce the fuel consumption of airplanes...

... was predicted based on six machine learning algorithms. The results indicated that in fluid lubrication, graphene promoted “liquid–liquid” interlayer sliding, whereas fullerene facilitated “solid–liquid” interface sliding, resulting in a decrease or increase in friction force. Under boundary lubrication...

... behavior tribological properties abrasion boundary lubrication friction lubricant additives Environmentally friendly and highly efficient nanoscale lubricating additives have better friction-reducing and anti-wear performances under varying temperatures [ 1 , 2 ] and extreme pressure...

... uncertainty wear-rate friction piston ring hypereutectic Al–Si cylinder liner boundary lubrication Monte Carlo simulation Science and Engineering Research Board 10.13039/501100001843 ECR/2017/000839 Recent global appeals to reduce climate change and greenhouse gas emissions...

... ribology . 21 03 2023 26 06 2023 28 06 2023 04 09 2023 thermal plasto-elastohydrodynamic lubrication (TPEHL) circular contact numerical modelling real surface rough contact deterministic model boundary lubrication contact mechanics surface roughness and asperities...

... ournal of T ribology . 08 03 2023 03 07 2023 13 07 2023 18 08 2023 structural spherical hybrid tribological property surface analysis debris analysis bio-lubricants boundary lubrication lubricant additives wear wear mechanisms When working with machinery...

... coefficient will contribute to improving the fidelity of the bearing performance models. Since the friction condition is considered to be boundary lubrication, friction experiments were conducted on several contact pressure conditions which are influential on the friction coefficient in such situation...