International Journal of Aerospace System Engineering

The Society for Aerospace System Engineering (항공우주시스템공학회)
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Estimation of Hardness of Indentation Made with a Conical Indenter Using Numerical Slip-Line Field Technique

  • Biswas, Arup Kumar (Department of Mechanical Engineering, Kalyani Government Engineering College INDIA) ;
  • Das, Santanu (Department of Mechanical Engineering, Kalyani Government Engineering College INDIA) ;
  • Das, Sanjoy (Department of Engineering and Technological Studies, University of Kalyani INDIA)
  • Received : 2020.10.13
  • Accepted : 2020.12.21
  • Published : 2020.12.31
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Abstract

When a rigid wedge is indented in to a semi-infinite block, the material is bulged up around the wedge that is generally called lip. The previous works in this filed considered the outer profile of the lip to be linear. But, present authors observed both experimentally and with the aid of finite element analysis that the profile of the lip is not always linear, and it depends on the angle of the wedge and friction parameters. So, in this work, attempts have been made to calculate hardness of indentation for different wedge angles and friction parameters. As hardness is intrinsic property of material, consideration of either linear or parabolic lip will not be affected much. A comparative study of hardness for linear and parabolic free surface profiles of the piled up material around the cone is analyzed in this work.

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References

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