The surface properties of materials are often critical because they dictate how they react with their external environment. An important property currently under intense investigation is how surfaces interact with liquids like water. In a […]
Nanofibers are tiny fibers with diameters measured in the nanometer range. They can be generated by a variety of methods, from various different polymers, therefore they can exhibit different physical properties with different application potentials. […]
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 […]
This is a summary of International Workshop: Contact Mechanics and Friction – Foundations and Applications that was organized by Professor Popov and his group at TU Berlin on 13-17 October 2019. The workshop held this […]
A talk by Professor Bo Persson on contact mechanics and adhesion in biological systems. Abstract: One of the weakest forces in nature is the van der Waals interaction which acts between all atoms and solids. […]
Abstract A paper by Menga, Carbone & Dini (MCD) recently published in prestigeous journal, suggests that in the contact with adhesion, the effect of tangential forces, and in particular of shear stresses assumed constant at […]
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Nature has amazed us since the beginning of time. It provides the foundation for all of our best ideas. The animal world provides the inspiration behind one of the new inventions in the world of […]
Numerical analysis of adhesion of rough surfaces shows that there exist one unique parameter determining whether the surface is sticky or not. It is well known that neutral bodies attract each other by van der […]
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 […]
Here we present an abstract to the paper addressing a simplified model for adhesion between hard rough solids. Abstract In the present note, we suggest a single-line equation estimate for adhesion between elastic (hard) rough […]
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