Effects of lubrication on gear performance: A review

H Liu, H Liu, C Zhu, RG Parker - Mechanism and Machine Theory, 2020 - Elsevier
Increasingly demanding performance standards and operating requirements are driving the
growing interest on lubrication technologies in gear transmission systems. Optimized gear …

A review on micropitting studies of steel gears

H Liu, H Liu, C Zhu, Y Zhou - Coatings, 2019 - mdpi.com
With the mounting application of carburized or case-hardening gears and higher
requirements of heavy-load, high-speed in mechanical systems such as wind turbines …

Ti3C2Tx MXene Nanosheets as Lubricant Additives to Lower Friction under High Loads, Sliding Ratios, and Elevated Temperatures

G Boidi, JC F. de Queiróz, FJ Profito… - ACS Applied Nano …, 2022 - ACS Publications
Tribological studies using 2D nanomaterials have gained notable attention in the last
decade owing to their outstanding friction and wear performance. Within this group, MXenes …

Interactions of Cu nanoparticles with conventional lubricant additives on tribological performance and some physicochemical properties of an ester base oil

Z Guo, Y Zhang, J Wang, C Gao, S Zhang, P Zhang… - Tribology …, 2020 - Elsevier
This work was to investigate the interactions of Cu NPs with dispersant, detergent,
antioxidant, friction modifier, viscosity index improver on tribological performance and some …

The influence of slide–roll ratio on the extent of micropitting damage in rolling–sliding contacts pertinent to gear applications

P Rycerz, A Kadiric - Tribology Letters, 2019 - Springer
Micropitting is a type of surface damage that occurs in rolling–sliding contacts operating
under thin oil film, mixed lubrication conditions, such as those formed between meshing …

Micro-pitting damage of bearing steel surfaces under mixed lubrication conditions: effects of roughness, hardness and ZDDP additive

A Vrček, T Hultqvist, Y Baubet, P Marklund… - Tribology …, 2019 - Elsevier
Micro-pitting presents a failure of the rolling/sliding contact metal asperities operating under
boundary/mixed lubrication conditions. The studies have shown that micro-pitting failure …

[HTML][HTML] Micro-pitting and wear characterization for different rolling bearing steels: Effect of hardness and heat treatments

A Vrček, T Hultqvist, T Johannesson, P Marklund… - Wear, 2020 - Elsevier
The current trend of increased power density and reduction of oil viscosity in machine
components is forcing engineers and scientists to engineer surfaces to endure higher …

[HTML][HTML] Scuffing evaluation of fully formulated environmentally acceptable lubricant using barrel-on-disc technique

R Bayat, A Lehtovaara - Tribology International, 2021 - Elsevier
Scuffing evaluation is challenging due to the catastrophic nature of this failure mode. In this
paper, a new scuffing test method was designed for evaluating the scuffing capacity of fully …

[HTML][HTML] EHL/mixed transition of fully formulated environmentally acceptable gear oils

R Bayat, A Lehtovaara - Tribology International, 2020 - Elsevier
Understanding the ability of fully formulated industrial oils to protect the contacting surfaces
requires techniques revealing the effect of tribofilm growth on the EHL film. This was …

Prediction of surface damage behavior in rolling contacts using torsional fatigue results and surface roughness modeling

K Singh, JSML Narasimhan, F Sadeghi - International Journal of Fatigue, 2024 - Elsevier
This paper presents a novel approach to predict the effect of surface roughness on surface
damage in rolling contacts. Rolling contact fatigue (RCF) tests were conducted on AISI 4130 …