<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The main shape deviations of a Berkovich indenter are the indenter bluntness and indenter tilt. The influence of the Berkovich indenter tilt on the results of the FEM modelling of steel nanoindentation is evaluated in this paper. The indenter tilt has an impact on the indentation curves and contact area. The X5CrNiCuNb 16-4 steel nanoindentation was modelled by FEM and the indentation curves were obtained. The Berkovich indenter was blunted and the tilt of the indenter was changed to determine its influence on the indentation curves. The results showed that growing tilt shifts the indentation curves to higher values of indentation forces and makes unloading curves steeper which is in agreement with a larger contact area. The calculated indentation curves were compared with the experimental indentation curves and the impact of the indenter tilt to the indentation curves was determined.</p>
</abstract>

The main shape deviations of a Berkovich indenter are the indenter bluntness and indenter tilt. The influence of the Berkovich indenter tilt on the results of the FEM modelling of steel nanoindentation is evaluated in this paper. The indenter tilt has an impact on the indentation curves and contact area. The X5CrNiCuNb 16-4 steel nanoindentation was modelled by FEM and the indentation curves were obtained. The Berkovich indenter was blunted and the tilt of the indenter was changed to determine its influence on the indentation curves. The results showed that growing tilt shifts the indentation curves to higher values of indentation forces and makes unloading curves steeper which is in agreement with a larger contact area. The calculated indentation curves were compared with the experimental indentation curves and the impact of the indenter tilt to the indentation curves was determined.

The Influence of Tilt on Berkovich Indentation of a Steel Sample Using FEM Analysis and Nanoindentation

Joint Laboratory of Optics of Palacky University Olomouc and Institute of Physics of the AS

Powder Metallurgy Progress

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The main shape deviations of a Berkovich indenter are the indenter bluntness and indenter tilt. The influence of the Berkovich indenter tilt on the results of...

The Influence of Tilt on Berkovich Indentation of a Steel Sample Using FEM Analysis and Nanoindentation

Published Online: Nov 13, 2023

Page range: 53 - 61

DOI: https://doi.org/10.2478/pmp-2022-0007

Keywords
nanoindentation, indenter shape deviations, indenter tilt, indenter bluntness

© 2022 Jaroslav Kovář et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The Influence of Tilt on Berkovich Indentation of a Steel Sample Using FEM Analysis and Nanoindentation

Published Online: Nov 13, 2023

Page range: 53 - 61

DOI: https://doi.org/10.2478/pmp-2022-0007

Keywordsnanoindentation, indenter shape deviations, indenter tilt, indenter bluntness

© 2022 Jaroslav Kovář et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
nanoindentation, indenter shape deviations, indenter tilt, indenter bluntness