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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Alternative Processes (Beyond the Beam)
Presentation Title Beyond the Powder-bed: Fabricating Microscale Three-dimensional Metallic Structures Without Support Using Nanoparticle 3D Printing
Author(s) Mohammad Sadeq Saleh, Rahul Panat
On-Site Speaker (Planned) Rahul Panat
Abstract Scope Three-dimensional microscale metallic structures are needed in several applications such as sensing, bioelectronics, and energy storage. The established additive manufacturing methods for can fabricate structures larger than about a millimeter in feature size. In this research, we develop an aerosol-jet based nanoprinting method that can fabricate complex 3D structures without any support materials. The process is based upon dynamics of aerosol droplet condensation and evaporation. A theoretical model predicting the structure formation is developed and verified via experiments. The printing process is followed by sintering of the nanoparticles that creates near-fully dense truss segments of the structures. Highly intricate 3-D micro-lattices, pillars, and spirals are fabricated. The mechanical properties of the structures are measured. It is observed that the response of the structure to mechanical deformation can be modulated by varying the sintering conditions. Various applications of the structures made by this method are discussed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D-printing and Consolidation of 316L Stainless Steel Powder Components
3D-printing Bulk Metallic Glass Alloys with Ultrasonic Additive Manufacturing
3D-printing via Binder Jetting and Consolidation of Nano Alumina Bone Scaffold Prototypes
A-41: Fabrication of Sub-microscale Metallic Glass Particles and Wires via High Pressure Atomization
A-43: Production of Teaching Materials Through 3D Printing as Support for Educational Processes Related to the Sciences, Heritage and Culture
A-44: Surface Characterization of IN718 Powder Stock and Influence on Net-shape HIP Microstructure
A-45: Temperature Dependent Thermal Conductivity of Metallic Powder Alloys for Additive Manufacturing
A-46: Thermal Analysis of Wire Arc Additive Manufacturing (WAAM)
A-47: Understanding Mechanisms Behind Morphological Changes in Gas Atomized Powders After Laser Irradiation
A-48: Wire+arc Additive Manufacturing for Fabrication of Bimetallic Additively Manufactured Structures
Additive Friction Stir Deposition for Solid-state Additive Manufacturing of Metals and Metal Matrix Composites
Additive Friction Stir Deposition: Microstructural Control Sensitivity
Additive Manufacturing of Aluminium Using Friction Stir Deposition
Additive Manufacturing of High-value Metal Parts Through Shaping-debinding-sintering
Additive Manufacturing of Photocatalytic Materials for Solar Water Disinfection
Beyond the Powder-bed: Fabricating Microscale Three-dimensional Metallic Structures Without Support Using Nanoparticle 3D Printing
Characterization of 17-4 PH Processed via Bound Metal Deposition (BMD)
Development and Validation of Sub-scale Tensile Tests for Characterization of Additively Manufactured Metals
Development of Tuned Composites Based on Metallic Particles for Advanced 3D-printing by Fused Deposition Modeling
Effect of Counter-gravity 3D Printing on PLA Interlayer Fracture Energy
Effect of Print Parameters on Dimensional Accuracy and Sintering Behavior of Binder Jet 3D Printed Water and Gas Atomized Inconel 625
Effect of Print Processing Parameters on the Green Part Properties and Densification Behavior in Binder Jet 3D Printed Co-Cr Biomaterials
Effects of Printing Parameters on Green and Final Part Density of Binder Jet Printed WC-Co
Effects of Zener-Hollomon Parameter and Strain on the Heterogeneous Microstructual Evolution of Cold-sprayed Coatings
Evolution of Pore Distribution in the Binder Jetting of WC-Co
Experimental Demonstration of Additive Manufacturing and Assembly in Space by Thermal Vacuum Testing
Gravity Influence on Sintering of 3D-printed Components
Impacts of Friction Stir Processing on Microstructure and Corrosion Properties of DMLS-AlSi10Mg
Material Property Comparison of Parts Produced Using Binder Jet 3D Printing with Water and Gas Atomized Powders
Mechanical Property and Characterization of Anodized AA6061 After Additive Friction Stir-deposition
Multi-physics Modeling Fframework of Binder Jetting Process
Multifunctional Binder for Binder Jet Additive Manufacturing
Novel Method in Additive Manufacturing of Metal Matrix Composites Reinforced by Carbon Particles
On the Interaction and Forms of Adhesion Between Various Substrate Materials and Molten Metal Droplets Produced by the Drop-on-demand Technology Metal Jet
Portland 3D Printing of Portland Cement Pastes with Additions of Kaolin, Superplastificant, and Calcium Carbonate
Powder Casting: Producing Bulk Metal Components from Powder without Compaction
Processing Parameters for H13 Utilizing Binder Jet Additive Manufacturing
Selective Sintering-based Fabrication of Fully Dense Complex Shape Parts
Sintering Kinetics of Particle-based Ink Extrusion 3D Printed Nickel Scaffolds
The Effect of Sintering Condition on the Microstructure Evolution of Binder-jet Printed IN625 Alloy
Topology Optimization-based Design Customized for Alternative AM Processes

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