Effect of coatings on rolling contact fatigue and tribological parameters of rolling/sliding contacts under dry/lubricated conditions: a review

AV Borgaonkar, I Syed - Sādhanā, 2020 - Springer
The application of coating gets exceptional importance since it improves the tribological
properties of the contacting surfaces. Different input parameters like coating deposition …

DLC and glycerol: Superlubricity in rolling/sliding elastohydrodynamic lubrication

M Björling, Y Shi - Tribology Letters, 2019 - Springer
Low friction is one of the most important parameters for the development of machine
components and machines with high efficiency. Many of the common machine components …

The role of the thermal conductivity of steel in quantitative elastohydrodynamic friction

W Habchi, S Bair - Tribology International, 2020 - Elsevier
Numerical models for thermal elastohydrodynamic lubricated contacts of steel surfaces have
always employed a value for the thermal conductivity of steel corresponding to its soft …

Friction reduction in elastohydrodynamic contacts by thin-layer thermal insulation

M Björling, W Habchi, S Bair, R Larsson, P Marklund - Tribology letters, 2014 - Springer
Reducing friction is of utmost importance to improve efficiency and lifetime of many products
used in our daily lives. Thin hard coatings like diamond-like carbon (DLC) have been shown …

A numerical model for the solution of thermal elastohydrodynamic lubrication in coated circular contacts

W Habchi - Tribology International, 2014 - Elsevier
This paper presents a finite element model for the solution of thermal elastohydrodynamic
lubrication in coated circular contacts. The model is based on a full-system finite element …

Transient thermal elastohydrodynamic simulation of a DLC coated helical gear pair considering limiting shear stress behavior of the lubricant

R Beilicke, L Bobach, D Bartel - Tribology International, 2016 - Elsevier
A transient three-dimensional thermal elastohydrodynamic calculation model is introduced
to simulate the contact of tooth flanks of helical gear pairs with involute gearing. At any time …

On friction reduction by surface modifications in the TEHL cam/tappet-contact-experimental and numerical studies

M Marian, T Weikert, S Tremmel - Coatings, 2019 - mdpi.com
The overall energy efficiency of machine elements and engine components could be
improved by using new technologies such as surface modifications. In the literature, surface …

Shear heating, flow, and friction of confined molecular fluids at high pressure

JP Ewen, H Gao, MH Müser, D Dini - Physical Chemistry Chemical …, 2019 - pubs.rsc.org
Understanding the molecular-scale behavior of fluids confined and sheared between solid
surfaces is important for many applications, particularly tribology where this often governs …

Influence of wetting and thermophysical properties of diamond-like carbon coatings on the frictional behavior in automobile gearboxes under elasto-hydrodynamic …

K Bobzin, T Brögelmann, K Stahl… - Surface and Coatings …, 2015 - Elsevier
With regard to the transportation sector, an efficient powertrain technology contributes to
sustainable lowering of CO 2 emissions. Due to the periodic or continuous operation in …

Measurement of EHL temperature by thin film sensors–Thermal insulation effects

M Ebner, A Ziegltrum, T Lohner, K Michaelis… - Tribology …, 2020 - Elsevier
The temperature of elastohydrodynamically lubricated (EHL) contacts strongly influences
fluid friction. The higher the EHL temperature, the lower is the effective lubricant viscosity …