275 citations
- Centre National de la Recherche ScientifiqueFR262 papers
- Lyon 1 UniversitéFR185 papers
- Institut National des Sciences Appliquées de LyonFR136 papers
- Laboratoire de Mécanique des Fluides et d'AcoustiqueFR117 papers
- Institut des Nanotechnologies de LyonFR59 papers
- Laboratoire de Tribologie et Dynamique des SystèmesFR58 papers
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16 papers · 1 filter
Designing metainterfaces with specified friction laws
Antoine Aymard, Emilie Delplanque, Davy Dalmas +1
Many devices, including touchscreens and robotic hands, involve frictional contacts. Optimizing these devices requires fine control of the interface's friction law. We lack systema…
Adhesion in soft contacts is minimum beyond a critical shear displacement
C. Oliver, D. Dalmas, J. Scheibert
The most direct measurement of adhesion is the pull-off force, i.e. the tensile force necessary to separate two solids in contact. For a given interface, it depends on various expe…
An asperity-based statistical model for the adhesive friction of elastic nominally flat rough contact interfaces
Yang Xu, Julien Scheibert, Nikolaj Gadegaard +1
Contact mechanics-based models for the friction of nominally flat rough surfaces have not been able to adequately capture certain key experimentally observed phenomenona, such as t…
Finite element modelling and investigation of the interaction between an ultrasonic wave and a discontinuous interface
Vipul Vijigiri, Cedric Courbon, Guillaume Kermouche +1
When two surfaces are brought into contact and slide against each other, junctions are formed at the interface. The dynamics of formation, rupture and evolution of these junctions…
From molecular to multi-asperity contacts: how roughness bridges the friction scale gap
Lucas Frérot, Alexia Crespo, Jaafar A. El-Awady +3
While friction stems from the fundamental interactions between atoms at a contact interface, its best descriptions at the macroscopic scale remain phenomenological. The so called "…
Finite deformations govern the anisotropic shear-induced area reduction of soft elastic contacts
J. Lengiewicz, M. de Souza, M. Lahmar +4
Solid contacts involving soft materials are important in mechanical engineering or biomechanics. Experimentally, such contacts have been shown to shrink significantly under shear,…