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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing and Innovative Powder Processing of Functional and Magnetic Materials
Presentation Title Controlled Shape-morphing Metallic Components for Deployable Structures
Author(s) Gianna Valentino, Ian McCue, Steven Storck, Morgana Trexler
On-Site Speaker (Planned) Gianna Valentino
Abstract Scope Transformational advances in additive manufacturing combined with the unique functional behavior of shape memory alloys (SMAs) has propelled the field of 4D printing. In this study, we leverage multiple processing pathways with additive manufacturing to design and fabricate SMA components capable of precise, self-guided shape change that could actuate large-scale (up to 25x25x33 cm3) structures under thermal stimuli. The dual benefits of minor alloy dopants and laser processing parameters were identified to be the most effective method to engineer SMA joints and hinges with locally tailored transformation temperatures over a 90 C range. Custom-designed plywood-style NiTi hinges with self-regulating features enabled tight bend radii and compact packing sizes. These novel SMAs hinges facilitated deployable structures that can expand 3-7x their stowed area. The fundamental understanding and demonstration of tailored and controlled complex shape-morphing kinematics, without specialized and heavy external motors, lays the groundwork for future SMA-enabled deployables in remote environments.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing as a Hybrid Synthesis-joining Method to Optimize Magnetic and Mechanical Properties of Dissimlar Alloys
Additive Manufacturing of a Composite Made of Al 5083 Matrix and Encapsulated ZnAl Particles
Additive Manufacturing of Electrical Steels: Opportunities to Link Microstructure and Design
Additively Manufactured Nitinol for Prescribed Properties and Prediction of Its Bulk Elastic Properties by Molecular Dynamic Simulation
Controlled Shape-morphing Metallic Components for Deployable Structures
Deep Learning with Generative Adversarial Network for Ti-6Al-4V Surface Roughness Improvement in Direct Energy Deposition Process
Growth Optimization of Single Crystal Fibers of Congruently and Incongruently Melting Garnets via Laser Heated Pedestal Growth Method
Improved Near-infrared Absorption for Additive Manufacturing Feedstock Using Reduced Graphene Oxide
Influence of Composition and Microstructure on Magnetic Properties of Additively Manufactured Fe/Co/Ni Based Soft Magnetic Alloys
Iron Nitride Based Soft Magnets through Spark Plasma Sintering
J-1: Development of NiTiMo Alloys Using Powder Blown Laser Direct Energy Deposition Additive Manufacturing
Laser Additive Manufacturing of Fe-Co and Fe-Si Based Soft Magnetic Alloys
Mapping the Selective Laser Melting Parameter-thermophysical Property Space of a Ni51.2Ti Alloy Using a Combined Experimental and Computational Approach
Mechanical Alloying and Characterization of Al2Ni5Co6Fe6Sm0.2 High-entropy Alloy
Microstructure of Additively Manufactured Magnetic Shape Memory Alloys
Modeling Alignment of Magnetic Particles in Functionalized Magnetic 3D Printer
NOW ON-DEMAND ONLY - X-ray and Neutron Scattering Reveals Insights into the Formation and Thermal Stability of Metastable Disordered Phases in FeCo and FeSi
Process-structure-property Relationships in Laser Powder Bed Fusion of Permanent Magnetic Nd-Fe-B
Reduction of Power Losses in SLM Printed FeSi6.5 Alloy by Geometry Optimizing
Selective Laser Melting of NiTi: Experiments and Modeling to Correlate Hatch Spacing, Texture, Residual Stress, and Superelastic Response
Selective Laser Melting of NiZnCu-ferrite Soft Magnetic Composites: Process-property Relationships
Structure-processing-magnetic Property Interrelationships in Additively Manufactured FeCo-2V and Fe-80Ni-5Mo Soft Magnetic Alloys
The Development of a Machine Learning Guided Process for the Additive Manufacturing of Thermoelectric Materials

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