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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Methods, Techniques, and Materials Discovery of Irradiation Effect Using In-situ Microscopy
Presentation Title Quantifying the Recovery of Irradiated and Cold-worked Zr-2.5Nb Using X-ray and Neutron Diffraction Line Profile Analysis
Author(s) Levente Balogh, Thalles T.A. Lucas, Fei Long, Aaron Barry, Mark R. Daymond, Donald W. Brown
On-Site Speaker (Planned) Levente Balogh
Abstract Scope Recovery kinetics of dislocation structures formed by either cold-work or irradiation are expected to be different due to the dissimilar configuration of lattice dislocations and dislocation loops. Zr-2.5Nb pressure tube (PT) material was irradiated by fast neutrons at 250 deg C which induced dislocation loops, and unirradiated Zr-2.5Nb PT samples were plastically deformed at 250 deg C to introduce a high density of cold-work dislocations. Samples from the irradiated material were in-situ annealed isothermally and measured using neutron diffraction, while the cold-worked samples were annealed isothermally and characterized ex-situ using high resolution synchrotron X-ray diffraction. The diffraction patterns were evaluated by Diffraction Line Profile Analysis (DLPA) to quantitatively characterize the dislocation density and character as a function of annealing time and temperature. The activation energy and the pre-exponential factor of the recovery process was obtained for both the irradiation-induced and cold-work dislocations, and their differences will be discussed in detail.
Proceedings Inclusion? Planned:
Keywords Characterization, Nuclear Materials,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Advanced In Situ Mechanical Testing Approaches to Evaluate the Degradation of Nuclear System Components
Deep Learning Defect Detection in Electron Microscopy of Radiation Damage in Metals
Discovering the Mechanisms of Helium Channel Evolution Via In-situ Annealing and Observation in TEM
Effect of Stacking Fault Energy on Microstructural Evolution of Compositionally Complex Alloys under In situ Dual-beam Heavy-ion Irradiation
Evolution of Vacancy/Interstitial Dislocation Loops in Pure Zr and Ti at Elevated Temperatures Observed by In-situ TEM Annealing
Helium Effects on Defect Evolution of In-situ Irradiated Additive-manufactured Grade 91 Steel
High Throughput Assessment of Advanced Nuclear Materials via In-situ TEM
In-situ 3D High-energy X-ray Diffraction Study on Deformation Behavior of Neutron-irradiated Fe-9%Cr
Industrial Nuclear Materials Applications for In-situ Microscopy
Is a TEM Foil “Bulk Enough” to Study the Parabolic Air-ingress Oxidation of W PFM in In-situ Environmental TEM?
Laboratory-based 3D X-ray Imaging of Neutron-irradiated TRISO Fuel
Observations of ‘Far from Equilibrium’ Phenomena under in Reactor Thermal Conditions Using In Situ TEM
Particle-induced X-ray Emission Spectroscopy (PIXE) for In Situ Monitoring of Corrosion Under Proton Irradiation in the Irradiation-corrosion Experiment (ICE)
Perspectives on Quasi-in-situ Characterization of Nuclear Materials Using Synchrotron X-rays
Precipitate and Cavity Evolution in Alloy 718 Under High Temperature In-situ Ion Irradiation using Machine Learning
Quantifying the Recovery of Irradiated and Cold-worked Zr-2.5Nb Using X-ray and Neutron Diffraction Line Profile Analysis
Radiation Tolerance of Amorphous Alumina Cladding Coatings for Heavy Liquid Metal Cooled Fast Reactors: Temperature and Dose Effect.
Rare-earth Titanates Ln2TiO5 Crystal Chemistry and Radiation Response. A Review.
Revealing 3D Microstructures in Nuclear Materials with High-energy X-rays
Revealing Heat-treatment Induced Stoichiometric Variations in Neutron-irradiated Yttrium Hydrides Using In Situ Synchrotron Radiation Diffraction
Simultaneous Proton Irradiation Changes Molten Fluoride Salt Corrosion Rates and Mechanisms
Transient Grating Spectroscopy of Defect Annealing Kinetics and Microstructural Evolution in Self-ion Implanted Tungsten with In-situ Annealing
Uncovering Transient Grain Boundary Absorption States Using Deep Learning Object Detection
Understanding the Amorphization Limit in Irradiated Ceramics via Repeated In situ Recrystallization Experiments
Utilizing High-energy X-rays for Microstructural Characterization of Metallic Hydrides

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