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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Environmental Degradation of Additively Manufactured Alloys
Presentation Title Exploring the Stress-corrosion Cracking Susceptibility of Additively Manufactured 316L in Boiling Magnesium Chloride
Author(s) Erin K. Karasz, Jason Taylor, David Michael Autenrieth, Philip Reu, Kyle Johnson, Michael Melia, Philip Noell
On-Site Speaker (Planned) Erin K. Karasz
Abstract Scope Additively manufactured metal parts can exhibit high levels of residual stress leading to stress-corrosion cracking (SCC) susceptibility. We explore the relationship between residual stress and SCC susceptibility in laser powder bed fusion 316L stainless steel using an ASTM G36-94 boiling magnesium chloride experiment. The residual stress of the surface perpendicular to the build direction was controlled by cutting samples from the build plate at varying heights, ranging from 250 to 50 MPa in this study, and by heat treatments (600, 800, and 1200 °C). All as-built samples showed SCC susceptibility. Samples heat-treated at or over 800 °C exhibited reduced residual stress from their as-built counterpart and were free of SCC after >300 hours of immersion in boiling magnesium chloride. Annealing at 600 °C showed similar SCC susceptibility to their as-built counterpart. SNL is managed and operated by NTESS under DOE NNSA contract DE-NA0003525. SAND2021-7573 A
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Other, Other

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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