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Modeling subsurface deformation induced by machining of Inconel 718

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Author

Summary, in English

Traditionally, the development and optimization of the machining process with regards to the subsurface deformation are done through experimental method which is often expensive and time consuming. This article presents the development of a finite element model based on an updated Lagrangian formulation. The numerical model is able to predict the depth of subsurface deformation induced in the high- speed machining of Inconel 718 by use of a whisker-reinforced ceramic tool. The effect that the different cutting parameters and tool microgeometries has on subsurface deformation will be investigated both numerically and experimentally. This research article also addresses the temperature distribution in the workpiece and the connection it could have on the wear of the cutting tool. The correlation of the numerical and experimental investigations for the subsurface deformation has been measured by the use of the coefficient of determination, R2. This confirms that the finite element model developed here is able to simulate this type of machining process with sufficient accuracy.

Publishing year

2017-01

Language

English

Pages

103-120

Publication/Series

Machining Science and Technology

Volume

21

Issue

1

Document type

Journal article

Publisher

Taylor & Francis

Topic

  • Manufacturing, Surface and Joining Technology

Keywords

  • FEM
  • Inconel 718
  • machining
  • subsurface deformation

Status

Published

ISBN/ISSN/Other

  • ISSN: 1091-0344