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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Building the Pathway towards Process and Material Qualification
Sponsorship TMS Structural Materials Division
TMS Extraction and Processing Division
TMS: Mechanical Behavior of Materials Committee
TMS: Process Technology and Modeling Committee
TMS: Additive Manufacturing Committee
Organizer(s) John S. Carpenter, Los Alamos National Laboratory
Allison Beese, Pennsylvania State University
David Bourell, University of Texas - Austin
Christian Leinenbach, Empa, Swiss Federal Laboratories for Materials Science and Technology
James W. Sears, Carpenter Technologies Corporation
Christopher Tuck, University Of Nottingham
Scope This symposium will provide a forum for all veins of additive manufacturing to present their latest results in developing methodology for science-based or practice-based material and process qualification. Sessions will be included that seek to develop processing-microstructure-property- performance relationships in metals and non-metals alike. Experimental, modeling, and combined experimental/modeling approaches are welcome.

Background and Rationale: Additive manufacturing (AM) offers distinct advantages over conventional manufacturing processes including the capability to both build and repair complex part shapes; to integrate and consolidate parts and thus overcome joining concerns; and to locally tailor material compositions as well as properties. A variety of fields such as aerospace, military, automotive, and biomedical are employing this manufacturing technique as a way to decrease costs, increase manufacturing agility, and explore novel geometry/functionalities. To increase acceptance of AM as a viable processing method, pathways for qualifying both the material and the process need to be developed and, perhaps, standardized. This symposium will serve as a venue for the international AM community - including government, academia, and industry - to define the fundamental interrelationships between feedstock, processing, microstructure, shape, mechanical behavior/materials properties, and function/performance. This will be accomplished through experimental observations, theoretical advances, and computational modeling of physical processes to provide insight and understanding of the nature of the final product and the evolution of microstructure resulting in final part properties and performance.

Materials of interest include but are not limited to:
- Homogeneous materials: polymers, ceramics, and metals
- Heterogeneous materials: foams, polymeric matrix, metallic matrix, ceramic matrix, functionally graded

Areas of interest include, but are not limited to:
- Fabrication:
* Machines: emerging technologies and advancing current capabilities
* Processing: feedstock material (including powder, wire, and filament), process and process monitoring (both freeform and direct write), build parameters, repair parameters, post processing (e.g., heat treatment)
* Specimen design: net-shaped parts; parts machined to shape based on scaling; as built laboratory test specimens/coupons; specimens/coupons machined from larger builds
- Developing constitutive relationships: coupling microstructure measurements and experimental stress analysis to characterize mechanical behavior/materials properties targeting performance
- Closing the feedback loop: microstructure measurements feedback to fabrication; performance (mechanical behavior, materials properties, and/or functional) feedback to fabrication
Abstracts Due 07/16/2017
Proceedings Plan Planned: Supplemental Proceedings volume

A-23: Additive Manufacturing on Satellites: Current State, Future Applications, Gaps and Needs, and Transition Strategies
A-24: AM Informatics – Optimizing Additive Manufacturing through Effective Use of Materials and Process Information
A-25: Applied Machine Vision and Machine Learning to the Characterization and Qualification of Additive Manufacturing Powder Feedstock
A-27: Effect of Build Geometry on the Microstructure and Tensile Properties of 17-4 PH Stainless Steel Parts Prepared by Selective Laser Melting
A-30: The Influence of FDM Build Parameters on the Mechanical Properties of 3D-printed ABS
A-31: Understanding Properties and Effects of Reused Metal Powder in the LENS DED Process
A Comparison of the Microstructures, Tensile Properties, and Fatigue Crack Growth Mechanisms in Ti-6Al-4V Alloys Fabricated by Three Powder-Based Additive Manufacturing Technologies
A Low Cost, High-speed Optical Monitoring System for Tracking Spatter during Laser Powder Bed Fusion
A Methodology for Statistics Based Qualification for Selective Laser Melting of Metals
Accelerating Qualification of Additively Manufactured Metal Parts
Additive Manufacturing of Aluminosilicate-polymer and Carbon Composites
Additive Manufacturing of Three-dimensional Carbon Microlattices
Assessment of the Material Performance upon Additive Manufacturing – Are Post-treatments Always Required?
Automated Material, Geometry and Process Qualification in Metal Melting Based Additive Manufacturing Technologies Using Experimentally Validated Simulation Tools
Characterization of Strut, Node, and Cell Geometry and Mechanical Properties in 3D EBM Printed Ti64 Lattices
Controlling Bulk Residual Stresses in SLM by 3D Laser Shock Peening
Correlating Pore Defect Formation in Laser Powder Bed Fusion Processing with In Situ Thermal and Interferometric Optical Measurement
Correlation of In-situ Process Monitoring Data to Material Properties and the Technologies Potential Impacts on AM Process Qualification
Defect Detection in LENS AM Using In Situ Thermal Camera Process Monitoring
Defect Signatures for Metal Laser Powder Bed Fusion
Design-to-component, Closed-loop ICME Research and Development for Additively Manufactured Alloys
Effect of Build Process Environment on Selective Laser Melted Inconel 718
Effects of Laser Beam Intensity Profile on the Evolution of Microstructure and Defects in 316L SS Components Fabricated via Laser Engineered Net Shaping
Finite Element Modelling of the Laser Metal Directed Energy Deposition Process
From Art-to-part: Multidisciplinary Virtual Toolset for Laser Powder-bed Fusion Additive Manufacturing and Multi-Step Post Processing Certification
Healing Defects within Powder Bed Fabrication
High-speed Synchrotron X-ray Imaging of Laser Powder Bed Fusion Process
High-Temperature Tensile, Creep and Microstructural Characterization of Additively Manufactured 15-5 PH Stainless Steel
High-throughput Testing and Characterization of Novel Additive Manufacturing Processes and Properties
High Speed Imaging of Particle-melt Interactions in Laser Directed Energy Deposition (L-DED)
In-situ Neutron Diffraction Measurements for Isolating Microstructural Effects on Mechanical Properties of As-built AM 304L SS
In Situ and Real-time Investigation of AM Process by Combining High-speed X-ray Imaging, Acoustic and Optical Sensors and Machine Learning
In Situ Synchrotron X-ray Diffraction and Tomography for Time-resolved Study of Phase and Structure Evolution during Consolidation of AM Metals
Influence of Processing in Selective Laser Melting on Cracking and Microstructure of Nickel Alloy Inconel 738LC
Investigating Stress Relaxation Behavior and Mechanisms in Ti- and Ni-alloys by In Situ Neutron Diffraction: Application to Additive Manufacturing
Issues of Spatter during Laser Powder Bed Fusion of Nickel-base Superalloys
Material Qualification for Desktop Metal's AM Processing
Mechanical Properties of AM Metals
Modeling the Life Cycle of High throughput Tensile Specimens Produced by Laser Powder Bed Fusion: From Fabrication to Performance
Net Shape 3D Printed NdFeB Permanent Magnet
Online Monitoring of Powder Bed Fusion Processes and Validation of Numerically Predicted Heating and Cooling Rates - Implications on As-built Work Piece
Parameter Development of Wire-based Laser Metal Deposition and Characterization of Ti6Al2Sn4Zr2Mo
Predicting Deformation and Cracking as a Function of Additive Manufacturing Process Parameters
Process-structure-property Relationships of Additively Manufactured Model Sandstone
Qualification of Wire + Arc Additive Manufacture: Challenges and Outlook
Quasi In Situ Investigation of Microstructure Evolution in Additively Manufactured Layers
Reshaping Casting Industry by Additive Manufacturing
Revealing Martensite Decomposition in Ti-6Al-4V Alloys Additively Manufactured with Electron Beam Melting by X-ray and Neutron Diffraction
Structure / Property (Constitutive and Dynamic Strength / Damage) Characterization of Additively Manufactured (AM) Tantalum
The Impact of Powder Feedstock Variability on Microstructure and Defects in Selective Laser Melted Superalloy 718
The Role of Different Hot Isostatic Pressing and Post Heat Treatment Routes for SLM -built Alloy 718
Three Dimensional Characterization of AM 316L Stainless Steel
Validation of Laser Powder Bed Fusion Finite Element Model
Visualizing the Melt Pool and Void Formation in Ti Alloys Using Synchrotron-based X-ray Microscopy
(Some of) The ICME Building Blocks to Qualify the Process and Materials of Additive Manufacturing

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