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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Environmental Degradation of Additively Manufactured Alloys
Presentation Title Localized Corrosion of Additively Manufactured Stainless Steel in Atmospheric Environments
Author(s) Peter Renner, Erin Karasz, Kasandra Escarcega-Herrera, Michael Heiden, Michael A. Melia
On-Site Speaker (Planned) Peter Renner
Abstract Scope Susceptibility to localized corrosion of laser powder bed fusion (L-PBF) stainless steels has been a topic of intense research for the past several years however little has been published on their atmospheric corrosion response. For many cases, atmospheric corrosion conditions will be more common than full immersion conditions and present environment variability that are hard to replicate. Pit characteristics of L-PBF and wrought stainless steel samples will be compared after exposure to different combinations of constant humidity (40/76% relative humidity) and salt loading (20/300 g/cm2 of NaCl and artificial sea water). The impact chemical heterogeneities, inherent to the L-PBF as-printed microstructure and surface, have on local corrosion susceptibility will be explored. Atmospheric corrosion response of as-printed surfaces will be presented and reveal a distinct corrosion attack morphology from their polished counterparts of the same material. SNL is managed and operated by NTESS under DOE NNSA contract DE-NA0003525. SAND2022-8864 A
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Other, Characterization

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Biocorrosion Response of Heterogeneous Microstructure in Laser Additively Deposited CoCrMo
Biocorrosion Response of Laser Additively Deposited TiNbSn Alloy in Physiological Medium
Combining NanoSIMS and EBSD Analysis to Define Hydrogen Trapping in Additively-manufactured Stainless Steel 316L
Comparing the Corrosion Response of Wrought and Cold Sprayed Aluminum Alloys
Corrosion and Wear-resistant Coatings for Nuclear and Automotive Applications by Using High-pressure Cold Spray Technology
Corrosion Behavior of 7050 and 7075 Aluminum Alloys Processed through Reactive Additive Manufacturing
Corrosion Behavior of Additively Manufactured Al-Ce-X and Al-10SiMg Alloys in 3.5 wt.% NaCl Solution
Corrosion Behavior of Additively Manufactured Al-Cr-Mn-Co-Zr Alloys
Corrosion Mechanisms of Additively Manufactured 316L Stainless Steels in Chloride Solutions
Electrochemical Behavior of Laser Powder Bed Fusion FeCrAl Alloys
Evaluation of Hydrogen Diffusivity, Uptake, and Trapping in Additively Manufactured 17-4 PH Stainless Steel and Possible Consequences Towards Stress Corrosion Cracking
High-pressure Cold Spray (HPCS) Coatings for Repair and Retrofit of Existing Large-scale Structures
High-temperature Oxidation Behavior of Additively Manufactured Haynes 282 Samples in Direct-fired Supercritical CO2 Power Cycle Environments
Hydrogen Embrittlement of Cathodically Pre-charged Inconel 718 Fabricated via Selective Laser Melting
Impact of the Gas Composition on Oxide Scales formed on Ni-based Alloys in Metal Dusting Conditions
Influence of Feedstock on Corrosion of Additively Manufactured 316L Stainless Steel
Local Corrosion Initiation Sites of Additively Manufactured Selective Laser Melted 316L Stainless Steel
Localized Corrosion of Additively Manufactured Stainless Steel in Atmospheric Environments
Metal Dusting and Surface Treatment of Additively Manufactured Ni-Cu Alloys and Alloy 699XA
Microstructure and Electrochemical Response of Selective Laser Melted NiTi
Small-Scale Mechanical and Corrosion Properties of Additively Manufactured Stainless Steel
Stress Corrosion Cracking Growth in Additively Manufactured 316L Stainless Steel
Structure and Semiconducting Properties of the Passive Film Formed on Additively Manufactured 316L Stainless Steel
The Effect of Hydrogen Embrittlement on Additively Manufactured IN718 in Dependency of the Delta Phase Volume Fraction
The Process-Structure-Performance Correlations of Additively Manufactured Steels Exposed to High Dose Neutron Irradiations
Thermal response of Additive Manufactured Alloys Submitted to Transient High Heat Flux Testing

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