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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Recent Advances in Electron Back-Scattered Diffraction and Related Techniques
Presentation Title Micro-analysis of δ-hydrides in Pure Zirconium by HR-EBSD and TKD
Author(s) Xuewei Li, Angus J Wilkinson, David Armstrong, Junliang Liu
On-Site Speaker (Planned) Xuewei Li
Abstract Scope Microstructure, crystallography and local deformation of both inter- and intra-granular fcc δ-hydrides in pure zirconium were characterized by HR-EBSD and TKD. The orientation relationship between δ-hydrides and α-zirconium matrix is {0001}_α ||{111}_δ ⟨11-20⟩_α ||⟨110⟩_δ for all the cases studied. Both HR-EBSD and TKD results showed high densities of dislocations in hydrides and surrounding matrix as a result of local plastic deformation partially accommodating the volume expansion and shearing during α-zirconium to δ-hydrides transformation. Two twin related orientation variants were often seen within the δ-hydride dispersion which is expected to minimize the transformation strain.These results may enable a better understanding of hydride growth and hydride induced degradation of zirconium base alloys.
Proceedings Inclusion? Planned:
Keywords Characterization, Nuclear Materials, Other


A Multi-generational Study of Detectors for Use in Cross-correlation-based EBSD: From Scintillators to Direct Detection
Accelerating Dictionary Indexing with Principal Component Analysis
Application of a Differential Evolution Optimization Algorithm on Deformation Extraction from EBSD Patterns
Applications of 3D EBSD for Understanding Complex Microstructures
Challenges and Prospects of TKD for Nanocrystalline Materials Characterization
Cross-sectional Electron Channeling Contrast Imaging
Enhanced SEM-based Electron Diffraction Analyses Using Intelligent Hybrid Pattern Matching
Exploring New Capabilities in Electron Backscattered Diffraction Using Direct Electron Detectors
Extraction of Defect Images by Post-processing of EBSD Patterns
Fast Forward Model Indexing: Theory and Application
Kikuchipy: An Open-Source Toolbox for Analysis of EBSD Patterns
Micro-analysis of δ-hydrides in Pure Zirconium by HR-EBSD and TKD
Microstructural Evolution Revealed by EBSD in Aluminum Alloys After Severe Plastic Deformation
Phase Differentiation in Half- and Full-Heusler Composites Using EBSD
Phase Distinction of Ordered Intermetallic Phases Using EBSD
Spherical Indexing Based on Dictionary Indexing Applied to Overlapping Pattern of Low-scattering Forsterite Due to Small Grain Sizes
The Use of NLPAR in the Analysis of Low Misorientation Gradients
Toward Correlative Grain Boundary Analysis in CIGS

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