rotary | About Tribology

Introduction to Sealing Technology

18.01.2021 F. Xavier Borras 609 Views

Let’s start from the beginning: what is a seal? A device or material that is used to close off or fasten an opening or connection, especially to prevent the escape of a liquid or gas. […]

Contact Area Calculation Tutorial: Boundary Element Based Model vs. Asperity Based Model

14.03.2018 2,428 Views

In contact mechanics and tribology it is frequently needed to calculate the contact area between rough surfaces to estimate possible slip, friction, electric conductivity, etc. In this tutorial, it will be shown how to perform [...]
Renewable Oils Developed by Scientists to Use in Lubricants

20.05.2019 503 Views

Lubricants are used virtually in most machines. The refrigerator compressors, plane thrusters, engine gears, and wind turbines all depend on lubricants to work properly. There is a countless number of crucial agricultural equipment, transportation vessels, [...]
Superlubricity with Green Lubricant

12.09.2016 718 Views

Superlubricity is a state of vanishing sliding friction. It has been reported in glycerol/water mixture lubricated contacts, graphene-gold interface, interface in presence of graphene and in other conditions. Increasing number of reports on superlubricity in [...]
How can tribology help extend critical machinery service life?

14.01.2019 979 Views

Tribology is the science of interacting surfaces in relative motion. Basically, it studies friction, wear and lubrication – three phenomena linked to surface degradation and, thus, to machine reliability and performance. When machines wear out, [...]
Tribology Trends and Challenges in Electric Vehicles: Short Summary

14.09.2020 1,014 Views

Electric vehicles, while often considered a new phenomenon, have existed since the 1800s. At that point in time, electric vehicles outnumbered gasoline powered vehicles for many reasons. Electric vehicles did not have the same vibration, [...]