Illuminated glass
Atomistic Tribology

Friction has memory

18.06.2018 tribonet 1,240 Views

Experiments show that the friction between two surfaces depends on their history of contact and that this “memory” is reminiscent of the behavior of glasses. Contrary to what you may have learned in high school, […]

modeling tribonet logo detachment
Computational Tribology

Knowing the strength of adhesion

26.02.2018 tribonet 333 Views

How can flies walk on the window glass upside down? How can geckos climb walls and trees? It looks like a simple question, but it is hard to answer. The secret is that flies and geckos, and many other living […]

Adhesion of Rough Solids
Computational Tribology

Some open problems in adhesion (of rough surfaces)

30.01.2018 tribonet 372 Views

By M.Ciavarella, A. Papangelo. Politecnico di BARI, Italy. Adhesion for ‘‘soft’’ bodies shows instabilities like in the simple case of a single sinusoid even in the so called JKR regime (Johnson 1995) which leads to […]

sand
Computational Tribology

Pushing Through Sand

26.12.2017 tribonet 85 Views

Simple equation predicts force needed to push objects through granular and pasty materials. For those of you who take sandcastle building very seriously, listen up: MIT engineers now say you can trust a very simple […]