asperity based models | About Tribology

Contact area map obtained using BEM model for Gaussian surface

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

14.03.2018 tribonet 2,404 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 […]

Contact Area vs. Load: Simple Scaling Laws

04.07.2016 1,428 Views

“God made the bulk; surfaces were invented by the devil”, a Nobel prize winning physicist Wolfgang Ernst Pauli said. In tribology, as in many other sciences, surface features (asperities, roughness) play an important role. In [...]
Bio-based material stronger than steel and spider silk altogether

16.05.2018 591 Views

Researchers at KTH have produced a bio-based material that is reported to surpass the strength of all known bio-based materials whether fabricated or natural, including wood and spider silk. Working with cellulose nanofibre (CNF), the [...]
Examining Wear on the Teeth of Herbivores

09.03.2020 353 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 [...]
Greasy Fingerprints Issue Solved with Nanocoating

28.10.2019 454 Views

You walk into your newly renovated kitchen to admire your brand new, top of the line stainless steel appliances. What? Are those fingerprint smudges on the refrigerator!? Trying to remove those smudges is not an [...]
Minimum Quantity Lubrication Reduces Total Costs of Operation

16.11.2017 1,237 Views

SKF has employed Minimum Quantity Lubrication (MQL) for its own manufacturing processes and has also developed a comprehensive portfolio of MQL solutions through its LubriLean range. While SKF has recorded significant benefits from its introduction [...]