Tribology News

Measuring adhesion using AFM – a better approach

21.03.2018 tribonet 160 Views
Brown University engineers have devised a new method of measuring the stickiness of micro-scale surfaces. The technique, described in Proceedings of the Royal Society A, could be useful in designing and building micro-electro-mechanical systems (MEMS), […]
Adhesion and friction of textured surfaces
Advanced Materials

Micro-texturing to control adhesion and sliding friction

12.03.2018 tribonet 587 Views
New theoretical model explains experimental measurement of the friction of liquid droplets sliding on micro-structured surfaces The wetting and adhesion characteristics of solid surfaces critically depend on their fine structures. However, until now, our understanding […]
modeling tribonet logo detachment
Computational Tribology

Knowing the strength of adhesion

26.02.2018 tribonet 290 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 […]

Contact Mechanics Models Overview

12.02.2018 tribonet 322 Views
On behalf of Professor George Adams. This is an overview of contact mechanics models in case of two spheres. The overview starts with Hertz model and continues to adhesive models and Greenwood-Williamson. A very good good […]
Adhesion of Rough Solids
Computational Tribology

Some open problems in adhesion (of rough surfaces)

30.01.2018 tribonet 266 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 […]
lizard feet
General Topics

Leaping Lizards!

01.07.2017 tribonet 47 Views
UC Riverside-led research tests the limits of gecko adhesion. RIVERSIDE, Calif. – Many geckos inhabit trees, often living high in the canopy. Relying on their incredible adhesive strength to help them break their fall, they […]
Soft Adhesion Gripping Small
General Topics

Grab things like a Gecko: a new gripping system

22.05.2017 tribonet 4,799 Views
Researchers at Carnegie Mellon University and Max Planck Institute for Intelligent Systems have developed a soft gripping system that uses differential air pressure and a gecko-inspired adhesive for exceptional bonding to three-dimensional objects. The findings […]