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Meeting MS&T24: Materials Science & Technology
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title Laser-Directed Energy Deposition Additive Manufacturing of Lunar Highlands Simulant (LHS-1) Lunar Regolith Simulant for In Situ Resource Utilization
Author(s) Sizhe Xu, Marwan Haddad, Aslan Bafahm Alamdari, Sarah Bafahm Wolff
On-Site Speaker (Planned) Sizhe Xu
Abstract Scope This research investigates the potential of laser directed energy deposition (L-DED) additive manufacturing for processing lunar regolith simulant, crucial for extraterrestrial manufacturing. By exploring various parameters like ambient conditions, laser powers, and scanning speeds, the study aims to optimize printing settings. X-ray diffraction and microscopy analyze microstructural characteristics and phase evolution. The choice of substrate significantly affects printed clad adhesion, with alumina-silicate ceramic being optimal. Morphological analysis reveals porous, tube-like structures under different conditions, indicating a correlation with laser power and scanning speed. Scanning electron microscopy and energy dispersive spectroscopy identify crystalline phases formed under varying laser powers. Surface-resolved digital microscopy highlights structural details. The study concludes with optimal L-DED parameters (64 W laser power, 6 mm/s scanning speed) for producing desirable mullite microstructures, offering high temperature stability and mechanical strength, thus enhancing the potential for sustainable in-situ construction in lunar missions.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Dense Complex Shape Ceramic Components Fabricated By Digital Light Printing (DLP) and Liquid Silicon Infiltration (LSI)
Densification and Microstructure Evolution of Alumina Structures via Direct Ink Writing
Density Improvement of Binder Jet Printed MnZn Ferrite Cores via Pre-and Post- Sintering Improvement Strategies
Direct Ink Writing of SiOC Structure from Preceramic Polymer containing Inactive Fillers
Dispersion of PMN-PZT for Direct Ink Writing
Fused Filament Fabrication of Ceramic Matrix Composite Preforms Via Thermo-Oxidative Stabilization of Polyetheretherketone
Influence of Printing Parameters on the Stability and Quality of 3D Printed Geopolymers from Copper Mine Tailings
Interface Stability of Iron-Carbide Materials Fabricated via Laser-Direct Energy Deposition
Irradiative Ceramization of Chemically Bound Phosphate Ceramics (CBPCs) to Enable Direct Additive Manufacturing of Ceramic Composites
Laser-Directed Energy Deposition Additive Manufacturing of Lunar Highlands Simulant (LHS-1) Lunar Regolith Simulant for In Situ Resource Utilization
Multi Ceramic Additive Manufacturing Based on Novel Digital Light Processing Technology
Optimizing SiC Slurries for Robocasting High-Performance SiC.
Rapid Volumetric Microwave Curing of Silicon Nitride Ceramic Binder Mixtures
Stabilization of Alumina Dispersed Slurry by Controlling pH
Towards Direct Additive Manufacturing of Bulk Ceramics Using Selective Laser Flash Sintering
Use of 2D Ti3C2 MXene as an Additive in SiC and Their High-Temperature Phase Behavior
Using Laser Ultrasonics to Correlate Young’s Modulus to Particle Neck Size in Early-Stage Sintering

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