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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 Interface Stability of Iron-Carbide Materials Fabricated via Laser-Direct Energy Deposition
Author(s) Som Dixit, Shunyu Liu, Fei Peng, Hai Xiao
On-Site Speaker (Planned) Som Dixit
Abstract Scope Ensuring the interface stability of metal-ceramic materials fabricated via laser-direct energy deposition (LDED) is vital in manufacturing dissimilar materials with desired properties and performance. This study prepared different powder mixtures of iron (Fe) with 10 vol.% carbides: silicon carbide (SiC), titanium carbide (TiC), zirconium carbide (ZC), and tungsten carbide (WC) and fabricated them with different energy densities. Scanning electron microscopy revealed the complete dissolution of SiC particles, resulting in the formation of pure C precipitates. For Fe-TiC/ZC/WC, unmelted carbide particles were retained even at the high energy density due to their thermodynamic stability with pure Fe and higher melting temperatures. The SEM-line scan was employed to observe composition gradients at the interfaces of Fe-carbide materials. Nano-indentation tests were conducted to characterize interfacial mechanical properties.


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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