ArticleThe European physical journal. E, Soft matter2013
Probing the micromechanics of a multi-contact interface at the onset of frictional sliding.
Article in The European physical journal. E, Soft matter, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Probing in-mouth texture perception with a biomimetic tongue.Journal of the Royal Society, Interface · 2019Article
- A double-Hertz model for adhesive contact between cylinders under inclined forces.Proceedings. Mathematical, physical, and engineering sciences · 2019Article
- Evolution of real contact area under shear and the value of static friction of soft materials.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Onset of frictional sliding of rubber-glass contact under dry and lubricated conditions.Scientific reports · 2016Article
- Relaxation damping in oscillating contacts.Scientific reports · 2015Article
- Slow slip and the transition from fast to slow fronts in the rupture of frictional interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2014Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Digital Image Correlation is used to study the micromechanics of a multi-contact interface formed between a rough elastomer and a smooth glass surface. The in-plane elastomer deformation is monitored during the incipient sliding regime, i.e. the transition between static and sliding contact. As the shear load is increased, an annular slip region, in coexistence with a central stick region, is found to progressively invade the contact. From the interfacial displacement field, the tangential stress field can be further computed using a numerical inversion procedure. These local mechanical measurements are found to be correctly captured by Cattaneo and Mindlin (CM)'s model. However, close comparison reveals significant discrepancies in both the displacement and stress fields that reflect the oversimplifying hypothesis underlying CM's scenario. In particular, our optical measurements allow us to exhibit an elasto-plastic-like friction constitutive equation that differs from the rigid-plastic behavior assumed in CM's model. This local constitutive law, which involves a roughness-related length scale, is consistent with the model of Bureau et al. (Proc. R. Soc. London, Ser. A 459, 2787 (2003)) derived for homogeneously loaded macroscopic multi-contact interfaces, thus extending its validity to mesoscopic scales.
Identifiers
23456433What OpenQuestion holds
Registered trials
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