用于润滑的水凝胶：合成、特性、机理与挑战

IF 3.1 3区工程技术 Q2 ENGINEERING, MECHANICAL

Lubricants Pub Date : 2024-05-24 DOI:10.3390/lubricants12060186

Lulin Hu, Yi Yang, Weiyan Yu, Lu Xu

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引用次数: 0

摘要

水凝胶具有优异的抗摩擦和抗磨损性能、可调的摩擦学性能，并能有效缓解传统液体润滑剂因其半固体性质而导致的蠕变或泄漏造成的润滑故障，因此作为功能性润滑剂受到广泛关注。本综述总结了目前在使用各种有机和/或无机凝胶剂制造水凝胶润滑剂方面的研究进展，包括有机聚合物或超分子水凝胶、基于无机颗粒的水凝胶以及有机聚合物-无机颗粒杂化水凝胶。我们不仅阐述了构建高性能水凝胶润滑剂的设计策略，还介绍了不同类型水凝胶润滑剂的摩擦学行为和机理，以及它们在工业和仿生领域的潜在应用。此外，还对未来研究提出了相应的展望和建议。

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Hydrogels for Lubrication: Synthesis, Properties, Mechanism, and Challenges

Hydrogels have received extensive attention as functional lubricants because of their excellent anti-friction and anti-wear properties, tunable tribological performances, and effectiveness in alleviating lubrication failures caused by the creeping or leakage of conventional liquid lubricants owing to their semi-solid nature. This review summarizes the current research advances in hydrogel lubricants fabricated with various organic and/or inorganic gelators, including organic polymeric or supramolecular hydrogels, inorganic particles-based hydrogels, and organic polymer-inorganic particle hybrid hydrogels. We illustrate not only the design strategies for constructing high-performance hydrogel lubricants but also the tribological behavior and mechanism of different types of hydrogel lubricants and their potential applications in industrial and biomimetic fields. Corresponding outlooks and suggestions for future studies have also been proposed.

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来源期刊

Lubricants Engineering-Mechanical Engineering

CiteScore

3.60

自引率

25.70%

发文量

293

审稿时长

11 weeks

期刊介绍： This journal is dedicated to the field of Tribology and closely related disciplines. This includes the fundamentals of the following topics: -Lubrication, comprising hydrostatics, hydrodynamics, elastohydrodynamics, mixed and boundary regimes of lubrication -Friction, comprising viscous shear, Newtonian and non-Newtonian traction, boundary friction -Wear, including adhesion, abrasion, tribo-corrosion, scuffing and scoring -Cavitation and erosion -Sub-surface stressing, fatigue spalling, pitting, micro-pitting -Contact Mechanics: elasticity, elasto-plasticity, adhesion, viscoelasticity, poroelasticity, coatings and solid lubricants, layered bonded and unbonded solids -Surface Science: topography, tribo-film formation, lubricant–surface combination, surface texturing, micro-hydrodynamics, micro-elastohydrodynamics -Rheology: Newtonian, non-Newtonian fluids, dilatants, pseudo-plastics, thixotropy, shear thinning -Physical chemistry of lubricants, boundary active species, adsorption, bonding