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Meeting 2025 TMS Annual Meeting & Exhibition
Symposium Neutron and X-ray Scattering in Materials Science and Engineering
Presentation Title Load Partitioning in Eutectic and Near-eutectic Ni-Ce Alloys
Author(s) Benjamin J. Wing, Syeda B. Haider, Eric A. Lass, Zachary C. Sims
On-Site Speaker (Planned) Benjamin J. Wing
Abstract Scope Nickel superalloys are widely used in high-temperature applications due to their exceptional performance. However, solidification-processing issues remain an obstacle to their casting and other solidification-based applications. Al-Ce alloys have shown promise as castable alternative to high-strength Al-alloys, which also exhibit poor solidification behavior. Eutectic Ni-Ce alloys which have a narrow solidification range are being investigated as a method to alleviate these issues and ultimately produce a castable alternative to traditional nickel superalloys. Prior study of near-eutectic Ni-Ce alloys showed good microstructural and mechanical properties compared to Inconel 718 to 900°C but noted a significant anomalous hardness decrease for the on-eutectic Ni-Ce alloy. Neutron diffraction is utilized to evaluate lattice strain evolution and load partitioning in context of this mechanical and microstructural behavior. An explanation for the diminished thermal stability of the on-eutectic alloy compared to the near-eutectic alloy is proposed.
Proceedings Inclusion? Planned:
Keywords Copper / Nickel / Cobalt, Mechanical Properties, High-Temperature Materials

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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Application of energy-dispersive X-ray diffraction for engineering alloys
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Characterization of Radiation Effects in Ceramics with Neutron Total Scattering
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Elucidating the phase evolution of a spinodal Au-Pt-Pd alloy using in situ synchrotron X-ray diffraction
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Feasibility of a Focusing Small-Angle Neutron Scattering (SANS) Instrument at the MIT Nuclear Reactor Laboratory
From Angstroms to Micrometers: Across-length-scale Structural Characterization of Hard Materials via X-ray Scattering
HIPPO meets ERNI & BERT – Upgrading a neutron diffractometer with an energy-resolved neutron imaging detector
Impact of electric fields on local structure, phonons, and thermal transport in a relaxor ferroelectric
In-situ and multimodal capabilities of Laue diffraction instrument at 34-ID-E of the Advanced Photon Source
In-situ characterization of phase transformation dynamics in fusion-based metal additive manufacturing processes by high-speed X-ray diffraction
In situ X-ray diffraction reveals the early stages of solid phase alloying in the 7XXX Al alloy system
Influence of Selective Laser Preheating on Residual Stress in Ti-6Al-4V Laser Powder Bed Fusion (LPBF)
Investigating Thermal Transport in Nuclear Materials Using Neutron Scattering
Load Partitioning in Eutectic and Near-eutectic Ni-Ce Alloys
Machine Learning Models For X-ray Diffraction Temperature Inference
Mapping of the local residual stress in 316L stainless steel processed by laser powder bed fusion
Measurement of Residual Stress in Additively Manufactured Ti-6Al-4V & Ti-6Al-2Sn-4Zr-6Mo Walls using Neutron Diffraction
Operando inelastic neutron scattering measurements of glass dynamics
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Overview of science capabilities of VENUS neutron imaging beamline at the Spallation Neutron Source at Oak Ridge National Laboratory
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Redistribution of Residual Stress in Steels during Hybrid Manufacturing
Residual Strain Monitoring by Neutron Diffraction in Metal Additive Manufacturing
Scattering study of spin-lattice interactions in chromia
The development of a stress-strain diffractometer at the MIT Reactor using a polychromatic beam
The influence of grain size on the deformation-induced martensitic transformation in austenitic steels: from grain-average to single-grain behavior studied by in-situ high-energy synchrotron X-ray diffraction.
The Invar Effect Explained by Nuclear Resonant X-ray Scattering from Phonons and Spins
The Role Of Annealing And Grain Boundary Controls On The Mechanical Properties Of Limestones, Marbles And Novaculite
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Time resolved synchrotron X-ray diffraction study of the structural and mechanical evolutions within a zirconium alloy oxidized at high temperature
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