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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Environmental Degradation of Additively Manufactured Alloys
Presentation Title Corrosion Properties of AM A20X
Author(s) Jamie A. Stull, Courtney Clark, Timothy Gorey, Colt Montgomery, Robin Pacheco, Don Johnson, Daniel Hooks
On-Site Speaker (Planned) Courtney Clark
Abstract Scope As metal additive manufacturing (MAM) advances there are still limitations to the type of materials that can be manufactured. Aluminum alloys are one of the more difficult materials to build with AM. To address this issue there are new alloys of aluminum that are being developed. One of these is A20X, while chemically it is much different than the typical AlSiMg aluminum alloys, it has superior mechanical properties which are currently being studied. The change in chemical composition may aslo affect the roughness and corrosion properties compared to other AM alloys. In this study we will present the surface roughness of these alloys including SEM images of the as-built surface and compare to that of 316L SS, which is commonly printed across many machines. We will also present results on the susceptibility to corrosion of the as-built and electropolished material.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Aluminum, Environmental Effects

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

AM Stainless Steel 316L in Corrosive Environment: Features Controlling Pitting and Metal Dissolution
Corrosion of Additively Manufacture Magnesium Alloys
Corrosion Properties of AM A20X
Effect of Oxygen on Corrosion Resistance of Stainless Steel 316L Prepared by Powder Bed Fusion
Effect of Post Processing Treatments on Corrosion Behavior of Laser Powder Bed Fusion(LPBF) 7050 Aluminum Alloy
Environmental Susceptibility of EBM Ti-6Al-4V as a Function of Print Direction in Seawater
Exploring the Stress-corrosion Cracking Susceptibility of Additively Manufactured 316L in Boiling Magnesium Chloride
High Temperature Oxidation of Additively and Conventionally Manufactured Heat Resistant Steel: HK30Nb
How Part Surfaces Influence Corrosion for a Laser Powder Bed Fusion 316L Stainless Steel
Hydrogen Trapping at Grain Boundaries and Dislocation Structures in Additively-manufactured Stainless Steel 316L Evaluated via SIMS/EBSD
Impact of Chemistry and Microstructure on Corrosion Properties of Designed High-performance Stainless Steel Powder for Additive Manufacturing
Long-term High-temperature Oxidation Performance of Inconel 625 Processed by Laser-assisted Additive Manufacturing
Metal Dusting Resistance of Additively Manufactured Ni-based Alloys: Influence of Post-processing Surface and Heat Treatments
Microstructure and Corrosion Behavior of 309L Stainless Steel Clad onto Carbon Steel Using Wire-fed Directed Energy Deposition
On the Heating Rate Dependent Oxide Formation and Evolution on Laser-based Directed Energy Additively Deposited IN718
Pulsed Transient High Heat Flux Testing of Coated Alloys in Extreme Environments
Sensitization of Austenitic Alloys Made by Laser Powder Bed Fusion
Surface Finishing Effects on the Corrosion Properties of Additively Manufactured 316L Stainless Steel
Transpiration Cooling of Additively Manufactured Porous Metallic Structures in High Heat Flux Environments
Tribo-corrosion Degradation of Additively Manufactured Multi-principal Element Alloy.

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