Wiki Tag: antifriction materials

Friction Coefficient Tables in Air and Vacuum

09.02.2017 tribonet

Friction coefficient table of solid lubricants, metals, plastics and anti-friction materials Friction coefficient table for various material pairs in atmosphere and vacuum (see the definition of friction coefficient) is shown below. The data was collected […]

Who is The First? Leonardo da Vinci!

06.06.2016

Leonardo di ser Piero da Vinci, the famous Italian engineer, architect, painter, musician, mathematician can also be considered as The First Tribologist! Although the term itself was invented approximately 450 years after Leonardo da Vinci [...]
Antiwear tribofilm growth - AFM study

14.03.2016

In a wide range of tribological components, the lubricant is not capable of separating the surfaces and areas of metal-to-metal contact occurs. However, the metal-to-metal contact area can be minimized by the action of additives, [...]
Researchers discover surface of 'ultra-smooth' nanomaterial steeper than Austrian Alps

17.01.2019

People can usually tell if something is rough or smooth by running their fingers along its surface. But what about things that are too small or too big to run a finger over? The earth [...]
How to better predict the minimum film thickness of elastohydrodynamic contacts?

11.01.2021

Let’s say you have the choice between an almost infinite lifespan device, and a device that undergoes wear and failure within a few minutes or hours of running. In most cases, you would choose the [...]
After the Mystery of Rotary Lip Seals

07.02.2017

Lip seals compete with mechanical face seals in sealing oil or grease in rotary shaft applications. Under certain running conditions both kinds of seals can be used however, the latter ones are generally used for [...]