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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing Materials in Energy Environments
Presentation Title Improved Intergranular Corrosion Resistance of Laser Powder Bed Fusion Printed Stainless Steels via Feedstock Modification
Author(s) Venkata Bhuvaneswari Vukkum, Evan Delvecchio, Jijo ChristudasJustus, Steven Storck, Rajeev Gupta
On-Site Speaker (Planned) Venkata Bhuvaneswari Vukkum
Abstract Scope Laser powder bed fusion (LPBF), an additive manufacturing (AM) technique for metals, was employed to fabricate components using a modified feedstock of 316L stainless steel powder. The modification of the feedstock involved ball-milling a mixture of commercial 316L powder and additives comprising 1 wt% cerium oxide (CeO2), lanthanum (III) nitrate hexahydrate (La (NO3)36H2O), and chromium nitride (CrN). Following this, the LPBF-316L specimens were subjected to sensitization at a temperature of 675C for a duration of 24 hours. The influence of these additives on intergranular corrosion (IGC) was investigated according to the guidelines provided by ASTM G108-94 and A262-14 standards. Notably, LPBF-316L specimens incorporating La(NO3)36H2O exhibited heightened resistance against IGC. To gain insights into the improved IGC resistance observed in LPBF-316L with the addition of La(NO3)36H2O, the microstructure of the LPBF specimen was thoroughly examined and analyzed.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Iron and Steel, High-Temperature Materials

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Printing of Inconel 718 with Enhanced Boron Composition as a Novel Solar Absorber Tube Material in the Concentrated Solar Power (CSP) System
A Discussion on Microstructural and Mechanical Characteristics of ShAPE Extruded PM2000 FeCrAl tubes
Additive Manufacturing Nickel Base Alloy Characterization in Hydrogen Environment for Gas Turbine Applications
Additive Manufacturing of 316H for High-Temperature Nuclear Applications
Additive Manufacturing of Ferritic/Martensitic Steels for Nuclear Applications (Invited Talk)
Additive Manufacturing Technique to Stop Corrosion Propagation in Magnesium/Aluminum Alloy by Zn and Mg/WE43 Inhibition
Advanced LPBF Steels with Superior Tensile and Creep Properties
AM Technology for the Development of Accident Tolerant Fuel and High-performance Nuclear Materials
Characterization of Novel P91&304 Graded Composite Transition Joint with Enhanced Creep Performance
Cold Spray Manufacturing of Oxide Dispersion Strengthened (ODS) Steels Using 14YWT Powders
Effects of Friction and Deformation Heating on Additively Manufactured M789 Steel during Hot Compression Tests
Effects of Ti and Si Additions on Precipitate Number Density and Radiation Resistance of Additively Manufactured Oxide Dispersion Strengthened FeCrAl
Extreme Hardness at High Temperature with a Lightweight Additively Manufactured Multi-principal Element Alloy
F-10: SEM, XRD, and EDS investagtion of Additive Manufactured 316H
F-11: Stress Relief Heat Treatment and Residual Stress Characterization for Additively Manufactured High γ’ Ni-base GammaPrint™-1100 Superalloy
F-36: Electric Field Driven 3D Printing of Actuating Fibers for Soft Robotic Applications
F-8: LPBF of Nd-based Permanent Magnets
F-9: Mechanical Property and Microstructure of Laser Powder Bed Fused Hypereutectic Al-Ce-Mg Alloy
Friction Surfacing Layer Deposition of a High Entropy Alloy
Improved Intergranular Corrosion Resistance of Laser Powder Bed Fusion Printed Stainless Steels via Feedstock Modification
In-situ Synthesis of Nitrides through Controlling Reactive Gas Atmosphere during Laser Powder Bed Fusion of FeCrAl
Influence of AM Processing on the High Temperature Tribology of Ni-based Alloys
Multi-scale Deformation Behavior of Direct Energy Deposited Stainless Steels, from Cryogenic to Room Temperature
Performance of Laser Deposited Inconel 625 Coating during Heat Treatment and Carbonisation
Process Mapping on Representative Geometries Using SS316 with Varying C Content Fabricated by Laser Powder Bed Fusion
Properties and Microstructure Evolution of Water Atomized Stainless Steel 316L Fabricated Using Binder Jet Additive Manufacturing
Prototype Tooling for Bipolar Plates Challenges Additive Manufacturing
Superior High-temperature Tensile Properties of Fine Equiaxed-grained 316L Stainless Steel Fabricated by Electron Beam Powder-bed Fusion
Transitioning from Tungsten to Steels by Laser-Directed Energy Deposition
Uncertainty of Microstructure in Additively Manufactured Heat Exchangers and Solar Receivers for CSP Applications
Unusually High Room and Elevated-Temperature Tensile Properties Observed in Direct Aged Wire-Arc Directed Energy Deposited Inconel 718

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