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Meeting MS&T22: Materials Science & Technology
Symposium Development in Light Weight Alloys and Composites
Presentation Title Laser Powder Bed Fusion of Highly-reinforced Aluminum Composite Powders Produced by Mechanical Alloying
Author(s) Ethan M. Parsons
On-Site Speaker (Planned) Ethan M. Parsons
Abstract Scope The mechanical and thermal properties of particle-reinforced metal matrix composites (MMCs) are attractive for high-performance defense and space applications, but fabrication of MMC components with conventional methods is difficult, costly, and typically limited to components with simple geometry. Additively manufacturing particulate MMCs with laser powder bed fusion (LPBF) would be an ideal method, but the laser consolidation of these materials has been largely unsuccessful in matching the properties of conventionally-produced MMCs. The challenges include spreading the heterogeneous powder, distributing small ceramic particles, and forming a strong bond between the metal and the ceramic. Here, by mechanically alloying AlSi10Mg powder and ceramic microparticles, we manufacture highly-reinforced aluminum composite powders with morphology tuned for AM process conditions. Using LPBF, we achieve dense consolidation of these powders at ceramic contents of over 30% and demonstrate tensile properties matching the properties of aluminum matrix composites made by conventional methods.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Data-driven Search and Analysis for Selection of Ti-containing High Entropy Alloys for Aeroengine Applications
Correlations between Ultrasonic Processing, Reinforcement Morphology, and Multi-scale Mechanical Performance of Metal Matrix Composites
Delayed Aging in Aluminum Alloys
Designing Al-Cu Alloy to Improve the Mechanical Properties and Thermal Stability via Micro-alloying with Cr Solute
Development and Research of a Scandium-containing Filler for Welding Aircraft Products from an Alloy of the Mg-Zr-Nd System
Development of Functionally Graded Al Metal Matrix Hybrid Composite Reinforced with CNT ,Y2O3 & SiC through PM Route
Development of Hierarchical Aluminum-based Metal Matrix Composites Using Friction Extrusion
Effect of Tin Addition on Mechanical and Corrosion Behavior of Mg-Zn-Si Alloy
Enhancing the Strength of Al-B4C Composites
Friction Stir Processing Based Local Microstructure Modification to Improve High-cycle Fatigue Properties of High-pressure Die-cast Aluminum Alloy
Improving the Strength of AlCoCrNi Dual-phase High-entropy Alloy through ChemicalTtransformation
Influence of Alkaline Earth Metals on Structure Formation and Magnesium Alloys Properties
Investigating Solid Solution Formation in High Entropy Carbide-based Ceramics
Investigation of the Residual Stress on AlSi10MnMg Alloy with Various Grain Size
Laser Powder Bed Fusion of Highly-reinforced Aluminum Composite Powders Produced by Mechanical Alloying
Novel Materials Discovery on Li-Based Compounds Using Machine Learning
Recent Developments in Flux-Free Brazing of Aluminum Alloys
Selective Reinforcement of Structures Using Fiber Reinforced Aluminum
Self-assembly and In-situ X-ray Diffraction Characterization of Two-dimensional Ti3C2Tx MXene in Al Matrices for Additive Manufacturing
Single and Double Core-Shell Nanocomposite Bulk Ceramics in the Y2O3-ZrO2-Al2O3 System
Solute Synergy Improved Thermal Stability of Nanotwinned Al Alloys
The Effect of Si on Tungsten Aluminide Formation and Growth
The Role of Mo and Ti in Strengthening Mechanical Properties of the AlCrFeNi Eutectic High Entropy Alloys
Ultrasonically-Induced Microstructural Refinement to Improve Strength of an Al-Si-Mg Casting
Understanding the Influence of Yield Asymmetry on Sheet Metal Bendability of Magnesium Alloys

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