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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Characterization of Materials through High Resolution Coherent Imaging
Presentation Title In Situ Bragg Coherent X-ray Diffraction Imaging Studies
Author(s) David Yang, Nicholas W Phillips, Kay Song, Guanze He, Clara Barker, Wonsuk Cha, Ross J Harder, Wenjun Liu, Dina Sheyfer, Felix Hofmann
On-Site Speaker (Planned) David Yang
Abstract Scope Lattice defects control the properties of crystalline materials and can be engineered to induce specific material properties. Understanding how defects evolve in response to an external environment is paramount for selecting and designing materials. Here I will discuss three in situ BCDI experiments: annealing of focused ion beam damaged gold microcrystals, corrosion of a Co-Fe microcrystal alloy in hydrochloric acid, and electrochemical Hydrogen charging in a stainless-steel grain. For annealing, we note the evolution in strain and crystal morphology driven by gold atom migration and observe how defects are removed from the crystal. For corrosion, we determine that the more strained surface layers are corroded first, and note a facet-dependent corrosion rate based on exposure to the flowing acid. Finally, I will discuss nanoscale strain evolution as a result of Hydrogen charging and its implications on the properties of stainless-steel.
Proceedings Inclusion? Planned:
Keywords Characterization, Iron and Steel, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Nanoscale Crystalline Microscopy: The Interest of 3D Bragg Ptychography for Material Science
Advances in Phase Retrieval for In Situ Observation of Dislocation Dynamics in Gold Microcrystals
Catalytic Properties at the Nanoscale Probed by Coherent Diffraction Imaging
Characterisation of Material Defects via Plasmon-enhanced Phase Imaging
Coherent Surface Scattering Imaging with Nanometer Resolution for 3D Mesoscale Structures at Surfaces and Interfaces
Exploring the Formation of Superlattice in Metal Nanocrystals using Bragg Coherent X-ray Diffraction Imaging
Fluctuation Analysis of Coherent Electron Diffuse Scattering for Diffractive Imaging
High-speed Free-run Ptychography at the Australian Synchrotron
Imaging Intact Human Organs across the Scales using Hierarchical Phase-contrast Tomography
Imaging Laser Shockwave Dynamics in Defect-bearing Ablator Materials
In Situ and Operando 3D Imaging of Pt and Pd Electrocatalytic Nanocrystals
In Situ Bragg Coherent X-ray Diffraction Imaging Studies
Internal Strain Changes of Pt Nanoparticles in Response to the High Pressure in Diamond-anvil Cell
Method Developments for High-efficient X-ray Coherent Diffraction Imaging
MHz Microscopy at European XFEL
Nanoscale Imaging of Electrochemically-induced Strain Dynamics in a Locally Polarized Pt Grain
Near Atomic Resolution BCDI through Materials Modeling
Precise Registration Algorithm for High-resolution Imaging Applications
Rationalization of CO2 Adsorption on Ni nanocrystals using Bragg Coherent X-ray Imaging
Resolving the Morphology of a Polyphase Solidification Pattern via In-situ Nanotomography
Searching for Crystals, Twins, Peaks and Dislocations with BCDI
Solving Complex Structures with Electron Ptychography
Structural Evolution of Nanoparticles Under Realistic Conditions Observed with Bragg Coherent X-ray Imaging
The Application of Advanced Coherent Imaging Technique and Element Analysis on a Self-organized Loop Structure
Ultrafast Dark-field X-ray Microscopy – A New Tool for Multiscale Analysis
Using Automatic Differentiation to Solve the Phase Problem in X-ray Bragg Ptychography
"Similarity Mapping" Using Precession Electron Diffraction Data

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