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Meeting MS&T21: Materials Science & Technology
Symposium Additive Manufacturing: Mechanisms and Mitigation of Aqueous Corrosion and High-temperature Oxidation
Sponsorship
Organizer(s) Amir Mostafaei, Illinois Institute of Technology
Yashar Behnamian, University of Alberta
Bryan Webler, Carnegie Mellon University
Scope Over the past decade, additive manufacturing (AM) has been developed from research labs and is being employed in a variety of applications such as aerospace, naval/maritime, nuclear, medicine, and automotive. The unique microstructures and macroscopic defect structures (i.e, porosity, microcracks, grain morphology variability, cellular substructures, and elemental segregation, surface roughness, etc.) produced in AM processes can have strong impacts on the degradation behavior of parts in service. Since the microstructure of AM parts is different from those produced by casting or metal forming, materials response to the corrosive environment is different.

This symposium considers the aqueous corrosion and high-temperature oxidation behavior of structural materials mainly steels, aluminum, titanium, nickel, cobalt, and copper, high entropy alloys, bulk metallic glasses and functional materials used in AM. The topics of presentations are sought to include but not limited to:
• In-process powder contamination and oxidation during AM processes;
• Developing new materials for harsh environments;
• Effects of defect structures and anisotropic microstructure on electrochemical response and high-temperature oxidation behavior of AM parts;
• Corrosion fatigue and stress corrosion cracking in structural materials;
• Influence of post-processing such as heat treatment and surface treatment on corrosion response of the AM parts.
Keywords:
Additive manufacturing, powder bed fusion, direct energy deposition, wire arc additive manufacturing, laser surface treatment, high-temperature structural alloys, hot-temperature corrosion, internal oxidation, Internal defects, stresses, harsh environment, alloy vaporization and mass loss, oxide scale, aqueous corrosion.

Abstracts Due 04/15/2021
Proceedings Plan Planned: At-meeting proceedings
PRESENTATIONS APPROVED FOR THIS SYMPOSIUM INCLUDE

Assessing the Printability and Oxidation Resistance of AM Built AlxCoCrFeNi with Directed Energy Deposition
Corrosion Behavior of Additively Manufactured Parts Made Using Non-spherical Ti-6Al-4V Powder in 3.5 wt% NaCl Solution
Corrosion Behavior of Laser Powder Bed Fusion Processed Ti-6Al-4V in Different Electrolytes
Effect of Post Processing on the Corrosion Behavior of Selective Laser Melted Nickel Based Super Alloy in Acidic Environment
Electrochemical Behavior of Additively-manufactured Steels
Environmentally Assisted Cracking of AM718 Wire Arc Additively Deposited AM 718 – Role of Processing and Microstructure
Fabrication and High-temperature Degradation Behavior of NiCoCrAl Alloy Using Laser Additive Manufacturing
High Temperature Oxidation Behavior of Additively Manufactured ZrB2-30vol%SiC in CO2
Influence of Heat Treatment on Electrochemical Behavior of Additively Manufactured 7050 Aluminum Alloy
Laser Shock Peening Effect on 5xxx Sensitization and Exfoliation of 5XXX series Aluminum Alloys
Performance Evaluation of Oxidized Inconel 625 Made by Laser-assisted Additive Manufacturing
SCC Behavior of IN 718 in BWR Conditions


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