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Article Dans Une Revue Physical Review E : Statistical, Nonlinear, and Soft Matter Physics Année : 2010

Effect of surface pattern on the adhesive friction of elastomers

Résumé

We present experimental results for the friction of a flat surface against a hexagonally patterned surface, both being made of PolyDiMethylSiloxane. We simultaneously measure forces of range 10 mN and observe the contact under sliding velocities of about 100 m / s. We observe adhesive friction on three different pattern heights ͑80, 310, and 2100 nm͒. Two kinds of contacts have been observed: the flat surface is in close contact with the patterned one ͑called intimate contact, observed for 80 nm͒ or only suspended on the tops on the asperities ͑called laid contact, observed for 2100 nm͒. In the range of velocities used, the contact during friction is similar to the static one. Furthermore, our experimental system presents a contact transition during friction for h = 310 nm.
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Dates et versions

hal-03127968 , version 1 (01-02-2021)

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Fanny Wu-Bavouzet, Juliette Cayer-Barrioz, Alain Le Bot, Françoise Brochard-Wyart, Axel Buguin. Effect of surface pattern on the adhesive friction of elastomers. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, 2010, 82, ⟨10.1103/physreve.82.031806⟩. ⟨hal-03127968⟩
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