surface roughness | About Tribology

Atomic scale deformation responsible for surface roughness

04.05.2020 tribonet 676 Views

Most of the natural or engineered surfaces are not perfect, meaning they are rough. The surface roughness was found across many scales: from atomic to tectonic. The earth looks smooth from space, but someone standing […]

Carpick - Mate - Tribology at the small scale

Tribology on the Small Scale: A Modern Textbook on Friction, Lubrication, and Wear

04.12.2019 Dr. Aydar Akchurin 2,269 Views

In recent decades, tribology field has seen a great interest in friction and wear processes occurring at the micro- and nanoscale. This interest has led to the development of a new branch of tribology focusing on the small […]

Hard, but highly elastic form of carbon developed

14.06.2017 1,368 Views
Washington, DC— A team including several Carnegie scientists has developed a form of ultrastrong, lightweight carbon that is also elastic and electrically conductive. A material with such a unique combination of properties could serve a [...]
Examining Wear on the Teeth of Herbivores

09.03.2020 498 Views
Individuals who deal with the health of animals on a regular basis are keenly interested in understanding the wear processes that affect the teeth of herbivores. Understanding these wear processes will potentially lead to the [...]
High-speed camera shows incoming particles cause damage by briefly melting surfaces as they strike

24.01.2019 450 Views
Video of the impact of a 10-micrometer particle (coming in from the left) traveling at more than 1 km/sec shows clearly the splashing away of molten material from the surface at the moment of impact. [...]
Tribology at Work on the Strings

12.07.2017 1,679 Views
There’s something about the moan and wail of a good gut-bucket slide guitar riff that can grab you by the innards and not let go. Any tribologist worth his salt is likely to have another [...]
Triboelectricity - a big renewable energy source

12.12.2016 2,637 Views
Tribo-electric effect is an effect of electricity generation, when two dissimilar materials come into contact and electrons migrate from one to another. Most of us have observed the tribo-electric effect in their life when rubbed [...]