Frictional Sliding Modes using the Maxwell-Slip Model

Date

2024-01-01

Author

Özcan, Tutku Ilgın
Amireghbali, Aydin
Çöker, Demirkan

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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This study investigates the frictional sliding dynamics occurring at the interface between two bodies in contact by using the Maxwell-slip model at the microscopic scale. The elastic body is modeled as a set of independent mass-spring units that are pulled with a rigid driver moving at a constant speed on top. Coulomb friction law is assumed at the mass-spring level. Initial compressive loading is represented by the degree of Poisson's expansion and its effect on the frictional sliding behavior is examined by using a dynamic solution to the Maxwell-slip model. Both stick-slip behavior and steady state behavior is observed for decreasing compressive loading. Our results show that stick-slip behavior at the macroscopic scale is observed caused by crack-like slip propagation at the microscopic scale at higher compressive loads. Macroscopically diminishing stick-slip behavior is observed for higher initial compressive loading conditions as pulse-like slip propagation through the interface is observed. At the highest initial compressive loading condition, propagation of train of pulses through the interface at the microscopic scale is observed causing a steady sliding behavior at the macroscale.

Subject Keywords

Frictional sliding modes, Maxwell-slip model, Sliding friction, Steady sliding, Stick-slip

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85200975165&origin=inward
https://hdl.handle.net/11511/110728

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Department of Aerospace Engineering, Conference / Seminar