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Meeting MS&T23: Materials Science & Technology
Symposium Phase Transformations and Microstructure Evolution during Post-Processing of Additively Manufactured Metals
Sponsorship TMS Phase Transformations Committee
TMS: Additive Manufacturing Committee
Organizer(s) Jonah Klemm-Toole, Colorado School of Mines
Bij-Na Kim, Carpenter Additive
Amy J. Clarke, Colorado School of Mines
Mark Aindow, University of Connecticut
Eric A. Lass, University of Tennessee-Knoxville
Richard W. Fonda, Naval Research Laboratory
Ashley E. Paz Y Puente, University of Cincinnati
Scope Most metallic alloys used in additive manufacturing where not designed to have optimal performance in the as-deposited condition. Therefore, a broad range of thermal, mechanical, and chemical processes are applied after additive manufacturing to improve the microstructure and mechanical properties for optimal performance.

This symposium focuses on sharing new insights into phase transformations and microstructure evolution that occur during post-processing operations including, but not limited to:
• Thermal treatments: stress relief, homogenization, quenching/hardening, precipitation heat treatment
• Mechanical treatments: shot peening, laser shock peening, abrasion-based surface finishing
• Chemical treatments: dissolution-based polishing, surface chemistry modification

Submissions that include one or several aspects of the following are encouraged: advanced microstructure characterization, modeling and simulation, mechanical or corrosion property testing.

Abstracts Due 05/08/2023

A Process Optimization Framework for Laser-wire Direct Energy Deposition Superalloy Haynes 282: Porosity, Microstructure, and Mechanical Properties
Additive Manufacturing of 718 Ni ODS Alloys and Haynes 230 Alloys with Nanoprecipitates
Impact of Heat Treatment Rates on Phase Transformation in Additively Manufactured Gamma Prime Superalloys IN738LC
Influence of Post-process Forging on Microstructure and Properties of LPBF AlSi10Mg
Influence of Post Processing Annealing on Precipitation and Deformation Behavior of Additvely Processed Beta Titanium Alloys
Laser Reheating and Polishing of Powder-blown Directed Energy Deposition
Liquid-induced Heat Treatment for Eliminating the Anisotropy in Mechanical Properties of Laser Additive Manufactured IN718 Alloy
Microstructural Evolution of One and Two Step Heat Treatments on Electron Beam Powder Bed Fusion Fabricated Haynes 282
Microstructure-based Heat Treatment Design of Selective Laser Melted Ti-6Al-4V to Overcome Strength-Ductility Trade-off
Microstructure and Mechanical Characterization of As-deposited and Forged Wire Arc Additively Manufactured (WAAM) 316LSi
Microstructure Engineering of Specialty Alloys via Post Advanced Manufacturing Thermal Treatments
Observation of Structure Coarsening During Annealing of Additively Manufactured Ti-6Al-4V
Tuning the Precipitate Microstructure in the Selective Laser Melted Ti-6Al-2Sn-4Zr-2Mo Alloy via Post Heat Treatment
Understanding the Microstructure Evolution Pathway During the Post Heat Treatment in the Direct Energy Deposited Ti-5Al-5Mo-5V-3Cr Alloy
Use of In Situ TEM Heating to Study Transformation Pathways for Metastable Phases in New Candidate Alloys for Additive Manufacturing

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