| Issue |
MATEC Web Conf.
Volume 401, 2024
21st International Conference on Manufacturing Research (ICMR2024)
|
|
|---|---|---|
| Article Number | 03005 | |
| Number of page(s) | 6 | |
| Section | Advanced Materials, Processes and Analysis | |
| DOI | https://doi.org/10.1051/matecconf/202440103005 | |
| Published online | 27 August 2024 | |
Slip system level strengthening in nano-indentation of single crystalline copper: Numerical study via a non-local CPFEM model
Cardiff School of Engineering, Cardiff University, Cardiff CF24 3AA, United Kingdom
* Corresponding author: BrousseauE@cardiff.ac.uk
A three-dimensional non-local crystal plasticity finite element model (CPFEM) integrating the evolution of geometrically necessary dislocations (GNDs) and statistically stored dislocations (SSDs) was developed to simulate the nano-indentation of single crystal copper. The simulation accurately reproduced published experimental results when considering force-depth curves, indentation size effect (ISE), anisotropic plastic deformation and sink-in phenomenon. The accumulated slip, i.e., shear strain in individual slip systems, was quantitively investigated. It is anticipated that the developed non-local CPFEM model can support future sub-micro and nanoscale manufacturing research as it enables the rapid exploration of slip system level mechanical response of a diverse range of crystalline alloys.
© The Authors, published by EDP Sciences, 2024
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