OOIR: Observatory of International Research

Papers

(The H4-Index of Friction is 38. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-06-01 to 2026-06-01.)

Article	Citations
Status and prospects of tribology in the Republic of Korea	185
A robust membrane with dual superlyophobicity for solving water-caused lubricant deterioration and water contamination	150
Insights into the microstructure transformation and ultralow tribological behavior of WS ₂ coatings	150
Probing the intriguing frictional behavior of hydrogels during alternative sliding velocity cycles	130
Fabrication of PMMA nanocomposite biomaterials reinforced by cellulose nanocrystals extracted from rice husk for dental applications	123
Predicting the coefficient of friction in a sliding contact by applying machine learning to acoustic emission data	117
Surfactant-free CuO nanoball-based nanolubricants: Experimental insights into dispersion stability, thermo-rheological properties, and tribological behavior	95
Macro-superlubricity in sputtered MoS2-based films by decreasing edge pinning effect	94
Environmental limitations of PTFE for ultralow friction composites and alternatives to using liquid lubricants	91
Modeling and analysis for material removal and surface roughness in fluid jet polishing of optical glass	88
Synergistic lubrication enhancement by load-driven edge self-passivation and structural heterogeneity in graphene/MoS₂ coatings	81
Bioinspired self-adhesive coating for surface functionalization of medical devices with lubrication and antibacterial properties	75
Electrostatic charging at the solid–liquid interface: Strategies for liquid flow sensing	68
Stochastic uncertain lubrication in gear transmission subjected to tribodynamic loading	67
Structural insights into 2D materials for tribology	67
Toward lithium-free tribology: Design and performance of plant oil-based greases thickened with functionalized nanoclays	60
A state-conditioned recognition framework for TBM cutter using mechanism-guided historical statistics and deep observations	60
A new method to solve the Reynolds equation including mass-conserving cavitation by physics informed neural networks (PINNs) with both soft and hard constraints	56
Academic and industrial tribology research in India—Current status	54
Roughness induced variation as a new mechanism for hydrodynamic lubrication between parallel surfaces	52
Carbon-based solid lubricants: An overview	51
Dual in-situ observation of tribochemical and morphological evolution of single-layer WS2 and multi-layer WS2/C coatings	50
Dynamic friction torque modeling and experimental study of ball screw actuators under high-frequency reciprocating motion	48
Large-scale fabrication of decoupling coatings with promising robustness and superhydrophobicity for antifouling, drag reduction, and organic photodegradation	48
Electron transfer dominated triboelectrification at the hydrophobic/slippery substrate—water interfaces	48

Electrically promoted tribological changes at diamond-like carbon/steel interface under lubrication conditions	48
Unlocking wear resistance in an ultrastrong dual-phase high-entropy alloy by interface-constrained deformation of brittle Laves phases	47
Effect of superficial collagen fibre orientation of articular cartilage on its anisotropic tribological behaviour	47
Enhanced interfacial mechanical properties by micro-nano structures via self-assembly mask etching	47
Effect of functional groups on tribological properties of lubricants and mechanism investigation	46
Experimental investigation of drag reduction induced by hydrogels crosslinked with Fe ³⁺ in water-soluble and water-insoluble liquid oils	45
Oxygen-induced contact evolution enables friction reduction in MoS ₂ /Ag composite films	43
Subsurface deformation mechanism and the interplay relationship between strength-ductility and fretting wear resistance during fretting of a high-strength titanium alloy	42
Mucus-inspired functionalized ionic liquid/carnauba wax composite polyurethane with friction-driven underwater multi-lubrication	42
Modelling acoustic emission generated by microslip friction between bolted joint interfaces	42
Ultralow friction PTFE/PEEK heterolayer: A new solid lubrication approach toward simplicity	41
Monitoring of lubrication and wear in-situ by triboelectrification under grease lubrication	40
Starved lubrication analysis of angular contact ball bearing based on a multi-degree-of-freedom tribo-dynamic model	40
In memoriam: Shizhu Wen (1932–2023)	38