Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: unknown, P. 126778 - 126778
Published: Dec. 1, 2024
Language: Английский
Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 156190 - 156190
Published: Sept. 1, 2024
Language: Английский
Citations
3
Langmuir, Journal Year: 2024, Volume and Issue: unknown
Published: Dec. 13, 2024
Deep eutectic solvents (DESs) have emerged as promising green liquid lubricants for solving tribological problems due to their economic and excellent physicochemical lubrication properties. However, a trace amount of water would affect structure, properties, The effect on the properties DES is still unclear needs further investigate. Herein, we carried out systematic investigation into chemical rheological performance DES-water (DES-W) binary systems constructed by combining with varying contents water. results revealed that low levels in had minimal impact its structure but affected fluidity viscosity. Frictional experiments demonstrated DES-W displayed reduced coefficient friction from 0.094 0.025 compared pure DESs manifested outstanding antiwear under high-load condition. This was attributed formation hydration layers, adsorption tribochemical films at tribointerface through reactions. Our findings not only foster design development lubricating materials also expand engineering applications solve wear-related mechanical failures practical application.
Language: Английский
Citations
3
Tribology International, Journal Year: 2024, Volume and Issue: 200, P. 110153 - 110153
Published: Aug. 23, 2024
Language: Английский
Citations
2
Small, Journal Year: 2024, Volume and Issue: unknown
Published: Sept. 9, 2024
Abstract Magnetic‐responsive surfactants are considered promising smart lubricating materials due to their significant stimulation response applied magnetic fields. In this study, four magneto‐responsive successfully fabricated and encapsulated on the surface of molybdenum disulfide nanosheets (MoS 2 @C 18 H 37 N + (CH 3 ) [ X Cl Br] − , = Fe, Ce, Gd, Ho) as base‐oil components using electrostatic self‐assembly, thereby constructing a multi‐functional lubrication system @STAX). Magnetorheological measurements confirm remarkable responsiveness MoS @STACe lubricants at high shear rates fields, which is further corroborated by constant proximity magnet. The formation dense carbon tribo‐chemical films between friction interfaces elevated temperatures primary factor contributing reduction in frictional wear. Notably, lubricant demonstrates pronounced behavior when subjected an field ceramic tribopair, even lower This work presents concepts for development high‐temperature resistant tunable additives designing material structure controlling stimulation.
Language: Английский
Citations
2
Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: unknown, P. 126102 - 126102
Published: Sept. 1, 2024
Language: Английский
Citations
2
ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 12(46), P. 16934 - 16948
Published: Nov. 2, 2024
The need for low-viscosity and sustainable lubricants has always been urgent the application of complex materials improvement machining accuracy requirements. As a kind lubricating material with characteristics easy preparation designable structure, deep eutectic solvent (DES) shows excellent performance controllability good potential. Herein, series phosphate menthol DESs (P-DL) were designed prepared as high-performance lubricants. results their physicochemical properties show that synthesized exhibit low viscosity superhydrophilicity, providing more efficient adsorption interfacial self-assembly behavior. Additionally, enhanced corrosion resistance thermal stability are conducive to chemical during shearing. In terms tribological properties, P-DL exhibits optimal friction-reducing antiwear along load-bearing performance. More importantly, lubrication can be obtained even under stringent diverse test conditions, indicating universality great engineering potential these hydrogen bond donors, longer alkyl chains, suitable branched structures have positive effect concerning comprehensive function. Besides, synergistic polar adsorption, tribochemical reaction is key factor robust addition, preparation, high-performance, sustainability all provide Meanwhile, this chemically lubricant optimization strategy adjustable also provides theoretical guidance development enrichment technology.
Language: Английский
Citations
1
ACS Sustainable Chemistry & Engineering, Journal Year: 2024, Volume and Issue: 12(18), P. 6870 - 6880
Published: April 26, 2024
Exploring high-performance flexible actuators derived from natural resources is crucial for the development of green and environmentally friendly smart devices. In this study, we exfoliated silk using a deep eutectic solvent (DES) to obtain nanofibers with average diameters lengths in ranges 30–40 2–5 μm, respectively. After DES treatment, internal secondary conformation changed; concentration β-sheets increased; random coil structure was destroyed. Furthermore, nanofibrous membrane fabricated via suction filtration-induced self-assembly. The demonstrated an outstanding response speed 25 s–1 within relative humidity range 0–70%, accompanied by maximum value 70%. They exhibited exceptional durability, bending capability 1.1 cm–1, could be folded up 20 times. By leveraging these properties, successfully developed unique robot capable directional crawling weightlifting through moisture-driven mechanisms. Notably, innovative extraordinary lifting capacity, which exceeded ten times its own weight. This paper presents next-generation method manufacturing biobased humidity-responsive actuators.
Language: Английский
Citations
0
Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: unknown, P. 126778 - 126778
Published: Dec. 1, 2024
Language: Английский
Citations
0