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Meeting Materials Science & Technology 2019
Symposium Additive Manufacturing of Metals: Microstructure and Material Properties of Nickel-based Alloys
Presentation Title The Creep Behavior of Additively Manufactured Inconel 625
Author(s) Michael E. Kassner, Kwangtae Son, Lyle Levine, Thien Phan, Mark Stoudt, Kee-Ahn Lee
On-Site Speaker (Planned) Michael E. Kassner
Abstract Scope Elevated-temperature creep tests were performed on additively manufactured (AM) Inconel 625 over a relatively wide range of stress. The behavior was compared to conventional wrought alloy. It was found that the steady-state creep rates of the AM alloys was comparable, or even more favorable, than that of the wrought Inconel. However, the ductilities of the AM alloy was significantly less than the wrought alloy. The ductility however was partially recovered with hot isostatic pressing (HIP) of the AM specimens. The basis for the loss and recovery of the ductility will be discussed in terms of the differences in the details of the microstructures. Creep tests were performed after exposure to service temperatures up to six months.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing of Nickel Alloy 625 via Bound Metal Deposition (BMD™) and Sintering: Microstructure, Properties, and Use Cases
Combining In-Situ/Ex-Situ Characterization and Solidification Modeling to Understand Microstructure Selection in Additively Manufactured Ni-based Alloys
Corrosion Studies on Inconel 718 Produced by Laser Powder Bed Manufacturing
Creep and Oxidation Performance of Alloy 282 Fabricated by Electron Beam Melting
Crystallographic Characterization of Nickel-based Alloys by Optical Microscopy
Developing Processing Parameters for Epitaxial Growth in Single Crystal CMSX-4 Single Beads via Laser Powder Bed Fusion
Effect of Intra-build Location and Loading Direction on Quasi-static and Dynamic Response of Additively Manufactured Inconel 718
Effect of Part Size on Powder Bed Fusion IN718 Parts
Effect of Post-printing Heat Treatment on the Microstructure, Hardness and Phase Formation in Laser Powder Bed Fusion Inconel 718 Cuboids
Effect of Processing Parameters on Density, Surface Roughness and Mechanical Properties of Hastelloy X Manufactured by Electron Beam Melting
Effects of Laser Processing Parameters and Build Orientation on the Surface Roughness and High-cycle Fatigue Life of Inconel 718 Manufactured Using Laser Powder Bed Fusion
Experimental Characterization and Modeling of Solidification Cracking in Gamma-prime Strengthened Ni-based Superalloys
Fluid Dynamics Effects on Microstructure Prediction for the Single-track Laser Additive Manufacturing Process
High-throughput Characterization of Additively Manufactured Nickel Superalloy 625 Using a Combinatorial Sample to Rapidly Screen Process-Microstructure-Mechanical Property Information
High Temperature Air Oxidation Behavior of Hastelloy X Processed by Electron Beam Melting (EBM) and Selective Laser Melting (SLM).
High Throughput Process Mapping of Metal Additive Manufacturing Applied to Austenitic Stainless Steel and Ni-based Superalloys
Influence of Contour Parameters on the Surface Characteristics and Geometrical Accuracy of EB-PBF Built Alloy 718
Influence of Geometry on Process-Structure-Property Relationships in Electron Beam Melted Ni-based Superalloys
Influence of Pulsing Rate on the Solidification Behaviour and Microstructure in Direct Laser Deposition of IN718
LPBF Production of Inconel 939: Powder Evaluation & Process Parameters Investigation
Microstructural Evolution of IN718 alloy Manufactured by Selective Laser Melting under Different Stress Conditions
Microstructure and Mechanical Properties Characterization of Crack-free Hastelloy X Fabricated by Laser Powder Bed Fusion
Microstructure Stability of Inconel 718 in the Laser Powder Bed Fusion Process as a Function of Geometrical Features and Process Parameters
Multiscale Characterization of Microstructures and Mechanical Properties of Inconel 718 Fabricated by Selective Laser Melting
Multiscale Modeling Framework for the Selective Laser Melting Process Applied to Inconel 718
Optimization of Heat Treatment Parameters for Additive Manufacturing Hastelloy X
Parametric Study of Microstructure Formation of Quasi-Continuous-Wave Laser Additive Manufactured Inconel 718
Phase Field Model Development for Prediction of Microstructure in IN718 Alloy during Additive Manufacturing and Heat Treatment
Processing Optimization for Additive Manufacturing of Nickel Superalloys
Residual Strain Mapping of Additively Manufactured Inconel 718 Blade
Residual Stress Measurements and Predictions for IN625 SLM Parts
Selective Laser Melting of Inconel 625 Superalloy with Enhanced Hardness
Stress Corrosion Cracking Resistance of Additively Manufactured Nickel Alloy UNS N07718 and UNS N09946 in Chloride-containing Environments
The Creep Behavior of Additively Manufactured Inconel 625
The effect of Static Magnetic Field on Electron Beam Melting Process of Ti6Al4V
The Heat Treatment for Nickel-base Superalloy Fabricated by Laser-powder Bed Fusion (L-PBF) Additive Manufacturing (AM)
Toward an Understanding of Cracking, Scan Strategy and Airfoil Geometry in Electron Beam Powder Bed Additive Manufacturing
Tribocorroison Behavior of Inconel 718 Fabricated by Laser Powder Bed Fusion based Additive Manufacturing
Wire-arc Additive Manufacturing of Single Crystals

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