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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Multi-material Additive Manufacturing: Processing and Materials Design
Presentation Title Dynamic Microstructural Control in Printable Colloidal Structures via Acoustic Focusing
Author(s) Drew Melchert, Leanne Friedrich, Rachel Collino, Tyler Ray, Matthew Begley, Daniel Gianola
On-Site Speaker (Planned) Drew Melchert
Abstract Scope Control of the microscale distribution of phases in composite printing inks allows tuning of structural and functional properties throughout a printed component. A promising method for dynamically ordering microstructure is acoustic focusing, in which microparticles suspended in a fluid are manipulated with pressure waves generated by piezoelectric actuation of the fluid in a microfluidic device. With this method we assemble and bind particles into structures with tunable microstructural features, which we then deposit onto a substrate as an ink to maintain compatibility with direct ink writing printing techniques. Confocal microscopy provides detailed 3D imaging of the assembled, printed structures, which we use to demarcate assembly regimes for structures with tunable porosity, particle size gradients, and anisotropic packing density. We demonstrate how control parameters (such as interparticle binding strength, acoustic pressure, and suspension flow rate) affect the assembly process and the resulting microstructural features of the assembled colloidal structure after printing.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Separable Support Strategy for 3D Printing of Complex Metal Parts
Additive Manufacturing of Inconel 718 – Ti6Al4V Bimetallic Structures Using LENS™
Additive Manufacturing of Periodic Metal-metal Composites
Additively Manufactured Functionally Graded Steels through a Novel Approach to Path Finding
Big Metal Additive Hybrid Manufacturing
Bimetallic Bonding via Two Methods of Direct Metal Deposition Additive Manufacturing
Bonding Features and Microstructural Evolution in Cold Sprayed Metallic Coatings and Bulks: A New Materials Perspective
Design and Fabrication of Lightweight, Hierarchical Multi-material Composites with Tunable Thermal Mechanical Properties
Design and Optimization of Fiber Reinforced Polymers Enabled by Additive Manufacturing
Developing Functionally Graded Metals through Additive Manufacturing: Progress, Challenges, and Future Vision for a Unique Technology
Development of High-performance 316L Stainless Steel Nanocomposites by Additive Manufacturing
Development of Novel Squeeze Cast High Tensile Strength Al-Si-Cu-Ni-Sr Alloys
Dynamic Microstructural Control in Printable Colloidal Structures via Acoustic Focusing
Experimental-computational Approach toward Design of Additively Manufactured Functionally Graded Metallic Materials
Extrusion of Direct-write Inks with Particle Gradients
Fabrication of WC-Co Metal Matrix Composites via Melt Infiltration Using Binder Jet Additive Manufacturing
Hybrid Manufacturing of Functionally Graded M300 and 316L Steels
Large-scale Additive Manufacture of MMC and Layered Multi-material Products
Liquid-solid Phase Metamaterials Fabricated by Two-photon Lithography
Machine, Material, and Toolpath Design for High-throughput Extrusion Additive Manufacturing
Meso-scale Design of Heterogeneous Material Systems in Multi-material Additive Manufacturing
Microstructure and Mechanical Properties of Additive Friction Stir Processed Dissimilar Metals
Multi-material Topology Optimization for 3D Printed Multi-functional Architected Materials and Components
Multi Phase Materials with Architectured Micro Scale Interfaces
Nanomechanical and EBSD Characterization of Thermo-mechanical Additive Manufactured Inconel 625
Novel High Temperature Drop on Demand Liquid Metal-jetting for the Production of Single and Multi-material 3D Objects
Hide details for [<a href="/PM/PM.nsf/ApprovedAbstracts/A5DAB4B0480A53518525815D0047C34F?OpenDocument">Processing of High MeltiProcessing of High Melting Temperature Polymer with Ceramic Particles as Processing Aid in Selective Laser Sintering
[Replication or Save Conflict]
Realizing Multi-functional Products via Multi-material Additive Manufacturing Processes
Strong and Robust Nanoarchitectures
Understanding and Predicting the Heterogeneous Local Ligament-level Deformation Response in Metal Lattice Structures

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