Static friction boost in edge-driven incommensurate contacts

  title={Static friction boost in edge-driven incommensurate contacts},
  author={Davide Mandelli and Roberto Guerra and Wengen Ouyang and Michael Urbakh and Andrea Vanossi},
  journal={Physical Review Materials},
We present a numerical investigation of the size scaling of static friction in incommensurate two dimensional contacts performed for different lateral loading configurations. Results of model simulations show that both the absolute value of the force $F_s$ and the scaling exponent $\gamma$ strongly depend on the loading configuration adopted to drive the slider along the substrate. Under edge-loading a sharp increase of static friction is observed above a critical size corresponding to the… Expand
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