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Master curves for Hertzian indentation on coating/substrate systems

机译:涂层/基体系统上赫兹压痕的主曲线

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摘要

An analytical model was developed to derive an approximate closed-form solution for indenter displacement when a rigid spherical indenter is pressed onto a coating/substrate system. Finite element analyses were also performed to verify the analytical solution. The results showed that the solution could be obtained from the analytical expression for Hertzian indentation on a homogeneous semi-infinite elastic medium multiplied by a modification term. This modification term is a function of two ratios: (i) Young's modulus ratio between the coating and the substrate and (ii) the ratio between the coating thickness and the contact radius. Based on this modification term, master curves for Hertzian indentation on coating/substrate systems were plotted.
机译:当将刚性球形压头压到涂层/基材系统上时,开发了一种分析模型以得出压头位移的近似闭合形式的解决方案。还进行了有限元分析,以验证分析解决方案。结果表明,可以从均质半无限弹性介质上的赫兹压痕的解析表达式乘以修正项得到解。该修改项是两个比率的函数:(i)涂层和基底之间的杨氏模量比,以及(ii)涂层厚度和接触半径之间的比率。基于此修改项,绘制了涂层/基材系统上赫兹压痕的主曲线。

著录项

  • 来源
    《Journal of Materials Research》 |2004年第1期|p.94-100|共7页
  • 作者

    Chun-Hway Hsueh; Pedro Miranda;

  • 作者单位

    Metals and Ceramics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料学;
  • 关键词

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