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July 28, 2025

Friction of two-dimensional colloids on the disordered substrate

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Authors

YCYigang CaoMZMuhammad ZahidHarbin Institute of TechnologyHDHuigao DuanHunan University

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Implication

Langevin dynamics investigates frictional behavior in 2D colloids, indicating effects of initial velocity and normal load.

Key Points

  • Frictional force rises linearly with initial velocity at low speeds, following Stokes's law.
  • At high speeds, friction increases nonlinearly and then saturates, similar to experimental results.
  • Below a threshold normal load, friction remains constant, but increases proportionally above this threshold.
  • Interparticle interactions are crucial for understanding viscosity and friction in colloidal systems.

Cite This Study

Cao et al. (2025) studied this question.

synapsesocial.com/papers/689a093fe6551bb0af8ceb18https://doi.org/10.21203/rs.3.rs-7201432/v1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1A general model for frictional contacts in colloidal systems2025
  2. 2Exploration of Stokes hydrodynamic law at molecular length scales2024 · 6 citations
  3. 3Stokes Law at Molecular Length Scales: Effects of Intermolecular Interactions and Linear Response Theory2024
  4. 4Nanofriction of Adsorbed Polymer Chains on Rough Surfaces: A Generalized Friction Model2026
  5. 5On the Dependence of Static Friction Coefficient on Normal Load2025