OOIR: Observatory of International Research

Papers

(The H4-Index of Lubricants is 30. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Novel Water-Based Biolubricants Using Choline Ionic Liquids	134
Wear Prediction and Chaos Identification of Rigid Flexible Coupling Multi-Link Mechanisms with Clearance	105
Research on Evaluation Indicator of Ice Rink and Curling Stone Motion for the 2022 Beijing Winter Olympic Games Based on Video Recognition Method	100
Friction Properties of Alumina–Silicon Carbide–Silver–Graphene Nanoplatelet Self-Lubricating Composite Prepared by SPS Technique	98
Development of Hybrid Intelligent Models for Prediction Machining Performance Measure in End Milling of Ti6Al4V Alloy with PVD Coated Tool under Dry Cutting Conditions	69
Identification and Validation of Linear Friction Models Using ANOVA and Stepwise Regression	68
Enhancement of Deep Drilling for Stainless Steels by Nano-Lubricant through Twist Drill Bits	54
Mixed EHL Problems: An Efficient Solution to the Fluid–Solid Coupling Problem with Consideration of Elastic Deformation and Cavitation	52
Evaluation of the Role of Lubricant Additives in Emission Control	49
Simple Laser-Induced Hexagonal Boron Nitride Nanospheres for Enhanced Tribological Performance	46
Determination of the Preload of Bolts for Structural Health Monitoring of a Multi-Bolted Joint: FEM Approach	46
Preparation and Tribological Behavior of Nitrogen-Doped Willow Catkins/MoS2 Nanocomposites as Lubricant Additives in Liquid Paraffin	46
Revisiting the Influence of Contact Length and Surrounding Medium on Metal Cutting Tribology	44
An Investigation of the Sequential Micro-Laser Drilling and Conventional Re-Drilling of Angled Holes in an Inconel 625 Ni-Based Alloy	42
Criteria for Evaluating the Tribological Effectiveness of 3D Roughness on Friction Surfaces	40
Vibration Analysis of the Double Row Planetary Gear System for an Electromechanical Energy Conversion System	40
Theoretical Investigations on Tribological Properties of Air Foil Thrust Bearings during Start-Up Process	38
Mixed Friction in Fully Lubricated Elastohydrodynamic Contacts—Theory or Reality	36
Theoretical and Experimental Flow Characteristics of a Large-Scale Annular Channel in Terms of Deformation Gradient, Eccentricity, and Water Compressibility	35
Vibration Friction Investigation on the NCS of Joints of the CNC Machine Tools Considering Friction Factor	34
Numerical Simulations and Experimental Validation of Squeeze Film Dampers for Aircraft Jet Engines	34
Hard-Anodized Aluminum Alloy: Wear Properties in Vegetable Oils	33
On the Salt Bath Cleaning Operations for Removal of Lubricants on the Surface of Titanium Alloy Aerospace Fasteners	31
Study on Distribution of Lubricating Oil Film in Contact Micro-Zone of Full Ceramic Ball Bearings and the Influence Mechanism on Service Performance	31
Advanced Machine Learning Approaches for Predicting Machining Performance in Orthogonal Cutting Process	30

Exact Model Order Reduction for the Full-System Finite Element Solution of Thermal Elastohydrodynamic Lubrication Problems	30
Study on the Magnetic Contact Mechanical Properties of Polyurethane-Based Magnetorheological Elastomer Sealing Materials	30
Pin-on-Plate vs. Pin-on-Disk Wear Tests: Theoretical and Numerical Observations on the Initial Transient Phase	30
Performance Characteristics of Spur Gears Hobbed under MQL, Flood Lubrication, and Dry Environments	30
Static Friction in a Cable-Driven Transmission—Modeling and Identification of Load Effects	30