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Meeting 2019 TMS Annual Meeting & Exhibition
Symposium Characterization of Materials through High Resolution Imaging
Presentation Title 3D Mapping of Subgrains with High Resolution 3DXRD
Author(s) Mustafacan Kutsal, Marta Majkut, Can Yildirim, Phil Cook, Yubin Zhang, Jon Wright, Carsten Detlefs, Henning Friis Poulsen
On-Site Speaker (Planned) Mustafacan Kutsal
Abstract Scope 3D characterization of deformation microstructures is a key challenge in metallurgy. Upon deformation, dislocations are accumulated in microstructure to accommodate the exerted macroscopic strain. These dislocations arrange themselves to form subgrains of 100 nm to 2 μm. In this study, we present a new modality of three-dimensional x-ray diffraction (3DXRD), called high-resolution 3DXRD (HR-3DXRD), where crystalline domains of submicron size can be mapped non-destructively. In order to obtain resolution in sub-micron range, diffraction spots are acquired with a HR 2D detector. This detector translated such that its center traces the Debye rings of Bragg reflections. Diffraction images acquired at each position are stitched to obtain virtual detector images with a very high FOV/resolution ratio.3DXRD type reconstruction software applies to these images. Hence, mosaic spread and strain of the subgrain structure can be determined. We present results of demonstration experiments at ESRF beamlines ID11 and ID06 on industrially relevant samples.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

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3D Mapping of Subgrains with High Resolution 3DXRD
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Coherent Diffraction Imaging at High X-ray Energies
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Deep Learning of Inverse Problems in Scanning Transmission Electron Microscopy/Scattering
Deep Neural Networks for Feature Extraction and Image Reconstruction from Coherent X-ray Diffraction Imaging Data
Deformation Behavior of Functionally Graded Polymeric Foams Using X-ray Tomography
Direct Observation of Point to Parallel Array Cu GB Segregation Behavior in Al Alloy 7075
Examining Dzyaloshinskii Domain Walls in Asymmetric Pt/Co/Ni/Ir Superlattices Using Lorentz TEM
Exploring Ion-irradiation Damage Using Bragg Coherent X-ray Imaging and 3D Transmission Electron Microscopy
Hard X-ray Coherent Diffraction Imaging Using Nanoscale Focusing Optics
High Throughput Nano-size Precipitates Characterization of Steels with Unprecedented Statistics: Transmission Kikuchi Diffraction on Extraction Replicas
Identification and Visualization of Chemical Outliers through Scientific Data Mining in Nanoscale Spectro-microscopic Study of NMC Electrode
In Situ Loading of Engineered Materials during X-ray 3D Tomographic Imaging
Investigation of Helium Precipitates in Ta(Ti)/Zr(Ti) Composites Made by Solid Metal Dealloying
K-18: High-resolution Multi-modal Imaging Capability at the Hard X-ray Nanoprobe Beamline of NSLS-II
Learning CDI Reconstructions with Backpropagation
Materials Characterisation via Optical Ptychographic Imaging: Principles and Applications
Measurements of Irradiation Induced 3D Strain Field at the Nanoscale with X-ray Bragg Coherent Diffraction Imaging
Multi-angle Bragg Projection Ptychography with Probe Retrieval
Multi-modal 3D Imaging of LiNi1-x-yMnxCoyO2 Cathode Material with Concentration-gradient
Multi-reflection Bragg Coherent Diffractive Imaging of Real-world Materials Samples
Multimodal Imaging Using Hard X-ray Speckle
Photoelastic Ptychography for Anisotropic Imaging of Optically Transparent Samples
Recent Development of Full-field X-ray Microscope at NSLS-II - A Case of Battery Research
Revealing the Growth Dynamics of Nature’s Forbidden Crystals
Sparse Dictionary Learning Methods for Coherent X-ray Diffractive Imaging
STEM Diffraction Contrast Image Simulations for Complex Dislocation Configurations
Three-dimensional Imaging of Vortex Phases in Ferroic Materials
Ultrahigh-speed X-ray Imaging for Studying Materials Structure Dynamics
Understanding Catalyst Complexity at Synchrotron Light Sources Using Hard X-ray Ptychography and Tomography
X-ray Coherent Surface Scattering Imaging for Surface 3D Imaging and Material Characterization

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