About this Abstract |
| Meeting |
2027 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Metal Matrix Composites: Processing, Additive Manufacturing, and Applications
|
| Presentation Title |
Linking Feedstock Processing, Reinforcement Distribution, and Properties in Powder Bed Fusion-Laser Bed (PBF-LB) Metal Matrix Composites. |
| Author(s) |
Ehiremen Kenneth Asemewanlen, Aaron Stebner |
| On-Site Speaker (Planned) |
Ehiremen Kenneth Asemewanlen |
| Abstract Scope |
Effective incorporation of ceramic reinforcements in additively manufactured metal matrix composites requires careful design of the composite powder feedstock. An effective composite processing methodology, paired with optimized powder bed fusion-laser bed (PBF-LB) parameters, is expected to produce parts with high relative density, uniform reinforcement dispersion, and equiaxed microstructures, which translate into improved mechanical properties. However, the impact of the spatial distribution of ceramics in the feedstock on the resulting additively manufactured microstructure remains poorly quantified. This study investigates three composite processing methodologies: mechanical mixing, low-energy ball milling, and high-energy ball milling. The goal of the study is to determine how each processing methodology affects the spatial distribution of the ceramics in the feedstock, how that distribution propagates into the as-built microstructure during additive manufacturing, and how the post-manufacturing distribution of ceramics correlates with mechanical properties. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Additive Manufacturing, Composites, Aluminum |