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Role of adhesion and friction coupling in forming the discrepancy between static and sliding friction force.

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Title: Role of adhesion and friction coupling in forming the discrepancy between static and sliding friction force.
Authors: Tsukanov, Ivan1 (AUTHOR), Lyubicheva, Anastasia1 (AUTHOR) lyubicheva@mail.ru, Svistkov, Alexander1 (AUTHOR)
Source: Journal of Physics D: Applied Physics. 2026, Vol. 59 Issue 13, p1-13. 13p.
Subjects: Static friction, Sliding friction, Contact mechanics, Friction, Stick-slip response, Cohesion, Coulomb friction
Abstract: The influence of adhesion forces on the mode change from partial slip to complete sliding of an indenter is considered solving a quasi-static one-dimensional contact problem. Coulomb's law is employed for friction on a curved surface, and adhesion is described by the Maugis–Dugdale model. Some major analytical expressions and restrictions for application of the model are obtained for a parabolic indenter. The size of the stick/slip zone, maximal horizontal force, and displacement before the start of pure sliding are analyzed. The results show that for a smooth indenter, the interplay between adhesion and friction components leads to a significant discrepancy of maximal horizontal reaction force, with the value corresponding to complete sliding. The transition from partial to full sliding provides bifurcation of the stick zone parameters due to adhesive forces. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:The influence of adhesion forces on the mode change from partial slip to complete sliding of an indenter is considered solving a quasi-static one-dimensional contact problem. Coulomb's law is employed for friction on a curved surface, and adhesion is described by the Maugis–Dugdale model. Some major analytical expressions and restrictions for application of the model are obtained for a parabolic indenter. The size of the stick/slip zone, maximal horizontal force, and displacement before the start of pure sliding are analyzed. The results show that for a smooth indenter, the interplay between adhesion and friction components leads to a significant discrepancy of maximal horizontal reaction force, with the value corresponding to complete sliding. The transition from partial to full sliding provides bifurcation of the stick zone parameters due to adhesive forces. [ABSTRACT FROM AUTHOR]
ISSN:00223727
DOI:10.1088/1361-6463/ae54a4