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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Solid-State Phase Transformations and Microstructural Evolution
Sponsorship TMS Materials Processing and Manufacturing Division
TMS: Additive Manufacturing Committee
TMS: High Temperature Alloys Committee
TMS: Phase Transformations Committee
Organizer(s) Bij-Na Kim, Carpenter Additive
Andrew E. Wessman, University of Arizona
Chantal K. Sudbrack, National Energy Technology Laboratory
Eric A. Lass, University of Tennessee-Knoxville
Katerina A. Christofidou, University of Sheffield
Peeyush Nandwana, Oak Ridge National Laboratory
Rajarshi Banerjee, University of North Texas
Whitney Poling, General Motors Corporation
Yousub Lee, Oak Ridge National Laboratory
Scope The growing field of Additive Manufacturing (AM) provides new exciting challenges and opportunities in physical metallurgy. Inherently different to traditional manufacturing processes, in AM, metallic systems undergo various localised phase transformations in fractions of a second during a build. For instance, the layer-by-layer approach gives rise to the so-called intrinsic heat treatment, where earlier layers continuously experience a temperature gradient induced by the melting of subsequent layers. This often results in an inhomogeneous microstructure throughout the build, and in some cases, precipitation can be triggered from early stages. Therefore, there is a need for AM-tailored post-processing conditions.

For a wider adoption of the technology in industry, the knowledge on the microstructure needs to be extended to its stability in service, including high load and temperature conditions. Such understanding will provide a solid background in the design of microstructures tailored for the AM process, and bring us a step closer in establishing the materials paradigm for AM.

Topic of interest include, but are not limited to:

* Microstructural characterisation of AM-processed materials throughout post-processing.
* Physical modelling / simulation of phase transformations and microstructural evolution.
* Phase transformations and microstructural stability of AM components under extreme conditions.
* Effects of powder manufacturing process and recycling on phase stability.
* Processing effects on as-built microstructure gradients and texture.

Abstracts Due 07/20/2020
Proceedings Plan Planned:

A Comparison of the Microstructure in Blown Powder Deposition Inconel 718 for Various Heat Treatments
Applying Additive Manufacturing Itself as a High-throughput Tool to Accelerate Heat Treatment Design of Additively Manufactured Alloys
Assessing Compositional Gradients in DED Inconel 718 Builds via Directional Reflectance Microscopy
CALPHAD Based Thermo Kinetic Modeling for Additive Manufacturing (AM): A Case Study for Fusion Based and Supersolidus Liquid Phase Sintering During Binder Jet
Characterization and Simulation of Eta and Eta-prime Precipitates Evolution in Laser Heat Treated Cold Spray of AA7050
Connecting Microstructure Evolution to Mechanical Behavior of an Al-Mn-Sc Alloy Designed for Selective Laser Melting
Constituent Phases and Microstructure of Cu-10Sn Alloy Produced by Laser Powder Bed Fusion
Controlled Thermal Post-processing of Additively Manufactured Ti-6Al-4V Parts in Order to Enhance their Mechanical Performance
Designing Duplex Microstructures in Additive Manufactured Ti Alloys: An Avenue to Achieve High Strength and Ductility
Effect of Laser Glazing on Powder-Processed Icosahedral-Phase-Strengthened Aluminum Alloys: From Single Track to Overlapping Tracks
Effect of Low-temperature Plasma Nitriding on the Wear and Corrosion Resistance of Additive-manufactured Stainless and Maraging Steels
Effect of Stress-relief Treatments on The Microstructure and Mechanical Response of Additively Manufactured IN625 Thin-walled Elements
Effects of Thermal Processing on the Microstructure and Mechanical Properties of Additively Manufactured AlSi10Mg Parts
Evolution of Microstructure and Dispersoids in Al-Mg 5xxx Alloys Under Wire + Arc Additive Manufacturing and Permanent Mold Casting
Fundamental Investigation of Multi-Principal Element Alloy (MPEA) Design and Processing Research to Explore Additive Manufacturing (AM) Effects
Grain Orientation Analysis of Additively Manufactured 316L Stainless Steel
Impact of Post-processing on the Performances of Laser Additively Manufactured High-γ’ Ni Superalloys
Improving the Creep Properties on gamma prime-strengthened Nickel-based Superalloy by Selective Laser Melting
In-situ TEM Solid-state Thermal Cycling of a Stainless Steel Fabricated via AM
In Situ Observation of Phase Evolution in Ti-6Al-4V upon Laser Processing with Synchrotron X-ray Diffraction Analysis
In Situ Synchrotron Observation of Directed Energy Deposition Additive Manufacturing Process
Main Microstructural Characteristics of Ti-6Al-4V Components Produced via Electron Beam Additive Manufacturing (EBAM)
Microstructural Characterization of Maraging 300 Steel Fabricated by Select Laser Melting
Microstructural Control and Refinement in DMLS Ti-6Al-4V
Microstructure-defect Printability in Laser Powder Deposition of Ni-based Superalloys
Microstructure and Texture Evolution During Printing and Post Processing of Ni-based Superalloy
Microstructure Control in a Beta Titanium Alloy via Selective Laser Melting
Microstructure Evolution in Laser Deposited AISI 420 Stainless Steel: Effect of Post-processing Heat Treatment
New Insights on Cellular Structures Strengthening Mechanisms and Thermal Stability of L-PBF Stainless Steel 316L
New Superalloy ABD-900AM for Additive Manufacturing: The Role of Heat Treatment on Mechanical Properties
Phase Field Modeling of Powder Densification in Sintering
Phase Transformation Modeling of Functionally Graded Materials Made by Direct Energy Deposition
Possibilities for Replacing Scandium in High Strength Al-Mg Alloys for 3D Printing by Transition Metal Alloying
Prediction of Large Regions of Microstructure and Phase Distributions for Additive Manufactured Alloys Prediction of the Microstructure, Resultant Phases and Hardness of Additively Manufactured Ti6Al4V
Prediction of Microstructure and Phase Evolution during Multi-track, Multi-layer Directed Energy Deposition of H13
Probabilistic Machine Learning Assisted Study of Directed Energy Deposited Alloys
Process Dependent Nanoscale Vanadium Clustering within Martensite Laths in Laser Powder Bed Fused Additively Manufactured Ti6Al4V
Recrystallization-based Grain Boundary Engineering of 316L Stainless Steel Produced via Selective Laser Melting
Recyclability of Ti-6Al-4V Powders Used in Additive Manufacturing: Perspectives and Outlooks
Second Phase Precipitation during AM Processing of Metastable Beta Ti Alloys
Section Thickness Dependent Behavior in Additively Manufactured Stainless Steel
Simulation of Solid State Precipitation during Post Process Annealing of Additively Manufactured alloy 625
Solidification Structure Characterization of an AlCuMnZr Alloy with respect to geometric features and Multiple Parameters
Study of the Role of Beam Scan Strategies on the Microstructure and Mechanical Properties of EBM Additively Manufactured Ti-6Al-4V Builds
Tailoring Microstructure of Selective Laser Melted TiAl-alloy with In-situ Heat Treatment via Multiple Laser Exposure
The Crystallography and Orientation of Cellular Features in Additively Manufactured 316L
The Dislocation and Composition Microstructure Evolution and Mechanical Properties of Selective Laser Melted Stainless Steels
The Effects of Scanning Strategy on Cracking and Grain Structure of the IN738LC Superalloy Produced by Selective Laser Melting
Time-resolved Synchrotron X-ray Diffraction Studies of Phase Evolution in Ni alloy 718 during Laser Melting
Well-aligned nanoprecipitates in Nickel alloy produced by direct metal laser sintering

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