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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing for Energy Applications III
Presentation Title Elevated Temperature Dip in Tensile Elongation of an Additively Manufactured Al-Cu-Ce Alloy
Author(s) Sumit Bahl, Kevin Sisco, Jonathan D. Poplawsky, Richard A. Michi, Lawrence F. Allard , Ryan R. Dehoff, Alex Plotkowski, Amit Shyam
On-Site Speaker (Planned) Sumit Bahl
Abstract Scope Higher temperature aluminum alloys are attractive materials that afford lightweighting solutions to replace heavier alloys. Additive manufacturing is increasingly investigated as a means to develop new aluminum alloys with superior mechanical properties, benefitting from the unique microstructures produced in bulk form that have been largely unattainable by conventional material processing techniques. In this work, we describe a dip in tensile elongation noted at elevated test temperatures in an Al-Cu-Ce alloy fabricated with selective laser melting. The dip in elongation is related to the concomitant dip in strain rate sensitivity of the alloy. The results of multiscale microstructural characterization are discussed to explain plausible reasons for the dip in strain rate sensitivity and tensile elongation.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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Development of Additive Manufacturing Processes for Embedding Thermocouples during Directed Energy Deposition
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Effects of Void Configuration on the Overall Thermal and Mechanical Behavior of Porous Materials: A Numerical Modeling Approach
Efficient Production of a High-performance Dispersion Strengthened, Multi-principal Element Alloy
Elevated Temperature Dip in Tensile Elongation of an Additively Manufactured Al-Cu-Ce Alloy
Evaluation of Oxide Dispersion Strengthened (ODS) Steel Fuel Cladding Tubes Manufactured by Cold Spray Technology
Experimental and Numerical Investigation of Single Clads Generated by Directed Energy Deposition Additive Manufacturing Processes
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Investigation of the Effect of Laser Energy Density on Properties of Additively Manufactured Tungsten Lattices
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Metal Additive Manufacturing for Energy Industries
Microstructural Stability and Creep Behavior of an Additively Manufactured Al-Ce-Ni-Mn Alloy
Microstructure-property of a Novel 9Cr Ferritic Martensitic Steel via Additive Manufacturing Directed Energy Deposition
Microstructure and Properties Comparison for 316L Wire-fed Laser Metal Deposition AM Under Vacuum Conditions
Multi-scale Multi-fidelity Metamodeling for Advanced Materials
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Numerical Study to Predict the Effect of Surface Roughness on the Thermal and Hydraulic Performance of Additively Manufactured Heat Exchangers
On the In-situ Formation of Nano Oxides during Laser Powder Bed Fusion as a Function of Steel Chemistry and Atmospheric Oxygen Level
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Real Time Non-destructive Evaluation during 3D Manufacturing of Metal Parts
Tailored Radiation Responses of 9-12 wt.% Cr Steels Through Additive Manufacturing
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