Advances in Materials

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Contact around a Sharp Corner with Small Scale Plasticity

Received: 31 October 2016    Accepted: 08 November 2016    Published: 08 December 2016
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Abstract

Owing to elastic singularity, the contact stress around a sharp corner is highly sensitive to the boundary conditions and local geometrical details. Determination of such stress is critical in predicting failures such as wear, fretting fatigue and crack initiation. In this paper, the stress around such corner is analyzed based on linear elasticity and small scale plasticity. The stress on the contact interface is generalized in a way that the results can be easily converted to represent another corner with different dimensions or boundary conditions. An example is presented to show the determination of the stress scale and the formulation of a generalized solution. It is shown that the generalized macro stress field away from the corner dominates the contact behaviors around the corner.

DOI 10.11648/j.am.s.2017060101.12
Published in Advances in Materials (Volume 6, Issue 1-1, January 2017)

This article belongs to the Special Issue Advances in Multiscale Modeling Approach

Page(s) 10-17
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Partial Slip, Stress Singularity, Plastic Yielding

References
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Author Information
  • Department of Mechanical Engineering, University of Michigan, Ann Arbor, USA; Stanley Black & Decker Inc, Towson, USA

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  • APA Style

    Zupan Hu. (2016). Contact around a Sharp Corner with Small Scale Plasticity. Advances in Materials, 6(1-1), 10-17. https://doi.org/10.11648/j.am.s.2017060101.12

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    Zupan Hu. Contact around a Sharp Corner with Small Scale Plasticity. Adv. Mater. 2016, 6(1-1), 10-17. doi: 10.11648/j.am.s.2017060101.12

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    AMA Style

    Zupan Hu. Contact around a Sharp Corner with Small Scale Plasticity. Adv Mater. 2016;6(1-1):10-17. doi: 10.11648/j.am.s.2017060101.12

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  • @article{10.11648/j.am.s.2017060101.12,
      author = {Zupan Hu},
      title = {Contact around a Sharp Corner with Small Scale Plasticity},
      journal = {Advances in Materials},
      volume = {6},
      number = {1-1},
      pages = {10-17},
      doi = {10.11648/j.am.s.2017060101.12},
      url = {https://doi.org/10.11648/j.am.s.2017060101.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.am.s.2017060101.12},
      abstract = {Owing to elastic singularity, the contact stress around a sharp corner is highly sensitive to the boundary conditions and local geometrical details. Determination of such stress is critical in predicting failures such as wear, fretting fatigue and crack initiation. In this paper, the stress around such corner is analyzed based on linear elasticity and small scale plasticity. The stress on the contact interface is generalized in a way that the results can be easily converted to represent another corner with different dimensions or boundary conditions. An example is presented to show the determination of the stress scale and the formulation of a generalized solution. It is shown that the generalized macro stress field away from the corner dominates the contact behaviors around the corner.},
     year = {2016}
    }
    

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    AB  - Owing to elastic singularity, the contact stress around a sharp corner is highly sensitive to the boundary conditions and local geometrical details. Determination of such stress is critical in predicting failures such as wear, fretting fatigue and crack initiation. In this paper, the stress around such corner is analyzed based on linear elasticity and small scale plasticity. The stress on the contact interface is generalized in a way that the results can be easily converted to represent another corner with different dimensions or boundary conditions. An example is presented to show the determination of the stress scale and the formulation of a generalized solution. It is shown that the generalized macro stress field away from the corner dominates the contact behaviors around the corner.
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