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Acta Mechanica Solida Sinica

, Volume 32, Issue 1, pp 1–16 | Cite as

Plastic Effect on the Sliding Inception Between a Cylinder and a Rigid Flat

  • S. Zhang
  • J. Huan
  • H. Song
  • X. LiuEmail author
  • Y. G. WeiEmail author
Article
  • 60 Downloads

Abstract

The effects of material plasticity and local slip on the sliding inception of asperity are studied in the present work. Firstly, a semi-analytical solution is derived under the full-stick condition to analyze the effect of material plasticity on sliding friction. Then, a friction model with contact stiffness criterion is proposed to study the cases from partial-slip condition to full-stick condition. Finite element simulations with the provided model are used to present the friction map. The friction coefficient of full-stick interface converges at a stable value, approximately 0.3. Plasticity saturation appears as the normalized contact interference \(\omega ^{*}\) is larger than 3. A transition mechanism from slip-dominated to yield-dominated takes place in the sliding process. The simulation results are compared with the semi-analytical solution.

Keywords

Material yielding Local slip Contact stiffness criterion Finite element simulation 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant Nos. 11772334, 11432014, 11672301), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB22040501) and the State Key Laboratory of Structural Analysis for Industrial Equipment (DUT Grant No. GZ15116).

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics 2018

Authors and Affiliations

  1. 1.LNM, Institute of MechanicsChinese Academy of SciencesBeijingChina
  2. 2.Department of Mechanical EngineeringJohns Hopkins UniversityBaltimoreUSA
  3. 3.College of EngineeringPeking UniversityBeijingChina
  4. 4.School of Engineering ScienceUniversity of Chinese Academy of SciencesBeijingChina

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