Characterization of metals in four dimensions

AJ Shahani, X **ao, EM Lauridsen… - Materials Research …, 2020 - Taylor & Francis
The ability to watch the three-dimensional (3D) evolution of structural materials is a
breakthrough in non-destructive characterization. In particular, X-ray tomographic imaging …

Dynamics of particle-assisted abnormal grain growth revealed through integrated three-dimensional microanalysis

N Lu, J Kang, N Senabulya, R Keinan, N Gueninchault… - Acta Materialia, 2020 - Elsevier
Secondary-phase particles are routinely dispersed in metals and ceramics to prevent grain
growth and take full advantage of the small grain size in the mechanical properties of …

Percolation of grain boundaries and triple junctions in three-dimensions: A test of theory

J Kang, K Walter, H Bale, AJ Shahani - Acta Materialia, 2022 - Elsevier
Percolation is a fundamental property of grain boundary (GB) networks that has so far been
analyzed through synthetic three-dimensional (3D) microstructures alone. In this work, we …

Registration between DCT and EBSD datasets for multiphase microstructures

JAD Ball, J Oddershede, C Davis, C Slater… - Materials …, 2023 - Elsevier
The ability to characterise the three-dimensional microstructure of multiphase materials is
essential for understanding the interaction between phases and their associated materials …

Five degree-of-freedom property interpolation of arbitrary grain boundaries via Voronoi fundamental zone framework

SG Baird, ER Homer, DT Fullwood… - Computational Materials …, 2021 - Elsevier
We introduce the Voronoi fundamental zone (VFZ) framework which is useful for grain
boundary (GB) structure–property models and gaining insights about the nature of a five …

Advanced acquisition strategies for lab-based diffraction contrast tomography

J Oddershede, F Bachmann, J Sun… - Integrating Materials and …, 2022 - Springer
Three new advanced acquisition strategies for lab-based diffraction contrast tomography are
presented. They are named Helical Phyllotaxis, Helical Phyllotaxis Raster, and Helical …

Dynamics of Ga penetration in textured Al polycrystal revealed through multimodal three-dimensional analysis

N Lu, S Moniri, MR Wiltse, J Spielman, N Senabulya… - Acta Materialia, 2021 - Elsevier
We investigate in situ the penetration of liquid Ga in a polycrystalline Al rod at a temperature
of 31.9° C. Our study is made possible with the aid of a novel, multimodal laboratory-based …

Particle stimulated nucleation revisited in three dimensions: a laboratory-based multimodal X-ray tomography investigation

X Lei, Y Zhang, J Sun, F Bachmann… - Materials Research …, 2021 - Taylor & Francis
The efficiency of large second phase particles to stimulate nucleation of recrystallization in
commercially cold rolled (25%) AA5182 aluminium sheet is investigated by laboratory …

Non-destructive characterization of polycrystalline materials in 3D by laboratory diffraction contrast tomography

J Oddershede, J Sun, N Gueninchault… - Integrating Materials and …, 2019 - Springer
Laboratory diffraction contrast tomography (LabDCT) enables the user to reconstruct three-
dimensional (3D) grain maps of polycrystalline materials. For each grain, the size …

[HTML][HTML] A novel diffraction contrast tomography (DCT) acquisition strategy for capturing the 3D crystallographic structure of pure titanium

E Ganju, E Nieto-Valeiras, J LLorca… - Tomography of Materials …, 2023 - Elsevier
The acquisition of high-fidelity 3D grain maps is essential for advancing our understanding
of the micromechanical behavior of polycrystalline materials. Grain orientations, grain …