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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing: Mechanical Behavior of Lattice Structures Produced via AM
Presentation Title Additive Manufacturing Laser Powder Bed Fusion Optimization for Dissolvable Supports with SS 316L
Author(s) Shawn Hinnebusch, Kevin Glunt, Robert Hoffman, Owen Hildreth, Albert To
On-Site Speaker (Planned) Shawn Hinnebusch
Abstract Scope Creating parts by laser powder bed fusion (LPBF) process can be challenging as support material is usually required for complex parts. As LPBF can only use one material, creating a dissolvable support structure has many challenges. To have a dissolvable support, a low-density structure is usually required, but this type of structure typically has cracking and high distortion because of the residual stress. By using topology optimization, the material can be minimized while still meeting the criteria for residual stress. Using a self-terminating solution, the part will retain the material while the support structure can be fully dissolved. The goal of this project is to develop a structure/design that can ensure printability while maintaining fluid flow across all the support to allow the structure to be fully dissolvable.
Proceedings Inclusion? Planned: At-meeting proceedings


Additive Manufacturing Laser Powder Bed Fusion Optimization for Dissolvable Supports with SS 316L
Direct Metal Laser Sintering Strategies for Fabrication of Finer Resolution Cellular Structures
Effect of Processing on Micro/Mesoscale Structures and Properties of Stainless Steel 316L Lattices
High-Throughput Screening of Additive Lattices using a Deep Neural Network
Mechanical Properties of Additively Manufactured Metal Lattices
Mesoscale Open Structures for Lightweight Structures
Microstructure and Mechanical Properties of Additively Manufactured Lattice Structures of Co-Cr-Mo Alloy
Predicting Interfacial Cracking between Solid and Lattice Support Structure during Laser Powder Bed Fusion Processing
Predicting the Response of Additively Manufactured IN625 Thin-walled Elements
Process-Aware Design of Additively Manufactured Lattice Structures
Residual Stress Mitigation in Lattice Structures Built by Laser Powder Bed Fusion
Tailoring Hierarchical Material Performance Through Process Manipulation

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