About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Mechanical Behavior at the Nanoscale VIII
|
| Presentation Title |
Finite Element Modeling of Copper-Tungsten Metal Matrix Composite Powder Particles Under Quasi-Static Micro-Compression |
| Author(s) |
Poonchezhian Vishnu Prakash, Nikhilesh Chawla, Mostafa Hassani, Yuan Yao |
| On-Site Speaker (Planned) |
Poonchezhian Vishnu Prakash |
| Abstract Scope |
Cold spray is a promising solid-state additive manufacturing technique. Fabricating composite “core-shell” particles, with a thin layer of matrix on the particulate reinforcement, can help improve the spatial distribution of reinforcement in the composite. This study aims to investigate particle behavior and deformation mechanisms during cold spray using a quasi-static compression finite element model. Pure Tungsten and Copper-Tungsten (Cu-W) metal matrix composite (MMC) particles with varied core-shell dimensions were tested under micro-compression inside a scanning electron microscope. An axisymmetric model with elastic-plastic properties, suitable boundary conditions, and realistic constraints was developed. Different Cu-W models were simulated to study and quantify the deformation mechanisms. Force-displacement curves from the simulations were then compared to experimental results for validation. The results show how effectively the model simulates the deformation behavior of MMCs at microscopic levels. This approach ensures reliable finite element models for studying the deformation of MMCs at micro scales. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Modeling and Simulation, Composites, Mechanical Properties |