A model is proposed herein to investigate the incipient sliding of contacts in the presence of both friction and adhesion,where the interfacial response is modeled based on traction-separation laws.A Maugis-like parameter is defined to characterize the response in the tangential direction.Subsequently,the model is used to investigate the contact between a smooth cylinder and a flat body,where adhesion-friction interactions are strong.A range of behaviors are observed when a tangential displacement is imposed:When the parameter is low,the contact pressure exhibits a relatively constant profile;when it is high,a pressure spike is observed at the edge of the contact.This difference is caused by a significant interface compliance in the former case,which limits the amount of slip.The results for the mid-range values of the Maugis-like parameter can qualitatively replicate various experiments performed using polydimethylsiloxane(PDMS)balls.

Francesc PéREZ-RàFOLS;Lucia NICOLA

Department of Industrial Engineering,University of Padova,Padua I-35131,Italy;Department of Material Science and Engineering,Delft University of Technology,Delft 2628 CN the Netherlands

摩擦（英文）

[1]Francesc PéREZ-RàFOLS;Lucia NICOLA-.Incipient sliding of adhesive contacts)[J].摩擦（英文）,2022(06):963-976

Maugis

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