In-situ X-ray monitoring of solidification and related processes of metal alloys

G Reinhart, DJ Browne, F Kargl, F García-Moreno… - npj …, 2023 - nature.com
X-ray radioscopy enables the in-situ monitoring of metal alloy processes and then gives
access to crucial information on the dynamics of the underlying phenomena. In the last …

In-situ X-ray computed tomography characterisation of 3D fracture evolution and image-based numerical homogenisation of concrete

Z Yang, W Ren, R Sharma, S McDonald… - Cement and Concrete …, 2017 - Elsevier
In-situ micro X-ray Computed Tomography (XCT) tests of concrete cubes under progressive
compressive loading were carried out to study 3D fracture evolution. Both direct …

Progress on in situ and operando X-ray imaging of solidification processes

S Karagadde, CLA Leung, PD Lee - Materials, 2021 - mdpi.com
In this review, we present an overview of significant developments in the field of in situ and
operando (ISO) X-ray imaging of solidification processes. The objective of this review is to …

Dendrite fragmentation induced by massive-like δ–γ transformation in Fe–C alloys

H Yasuda, K Morishita, N Nakatsuka… - Nature …, 2019 - nature.com
Dendrite arm fragmentation is considered in solidification structure tailoring. Time-resolved
and in situ imaging using synchrotron radiation X-rays allows the observation of dendrite …

Strength and ductility enhancement of twin-roll cast Al-Zn-Mg-Cu alloys with high solidification intervals through a synergistic segregation-controlling strategy

B Lu, Y Li, W Yu, H Wang, Y Wang, Z Wang… - Journal of Materials …, 2023 - Elsevier
Center segregation and banded intergranular segregation (B-IGS) should be well controlled
to improve the mechanical properties of twin-roll cast (TRC) aluminum alloys, especially for …

Crystal nucleation in metallic alloys using x-ray radiography and machine learning

E Liotti, C Arteta, A Zisserman, A Lui, V Lempitsky… - Science …, 2018 - science.org
The crystallization of solidifying Al-Cu alloys over a wide range of conditions was studied in
situ by synchrotron x-ray radiography, and the data were analyzed using a computer vision …

Transgranular liquation cracking of grains in the semi-solid state

S Karagadde, PD Lee, B Cai, JL Fife, MA Azeem… - Nature …, 2015 - nature.com
Grain refinement via semi-solid deformation is desired to obtain superior mechanical
properties of cast components. Using quantitative in situ synchrotron X-ray tomographic …

Rapid Cu6Sn5 growth at liquid Sn/solid Cu interfaces

MAAM Salleh, SD McDonald, H Yasuda, A Sugiyama… - Scripta Materialia, 2015 - Elsevier
In situ observations of the reaction between solid Cu in contact with molten Sn–0.7 wt.% Cu
were achieved using a synchrotron X-ray imaging technique. It was found that, upon wetting …

On the deformation of dendrites during directional solidification of a nickel-based superalloy

JW Aveson, G Reinhart, CJL Goddard… - … Materials Transactions A, 2019 - Springer
Synchrotron X-ray imaging has been used to examine in situ the deformation of dendrites
that takes place during the solidification of a nickel-based superalloy. By combining …

[HTML][HTML] Multi-phase-field lattice Boltzmann model for polycrystalline equiaxed solidification with motion

N Yamanaka, S Sakane, T Takaki - Computational Materials Science, 2021 - Elsevier
The formation process of equiaxed structures during alloy solidification is a complicated
multiphysics problem as it includes solid–liquid phase transformations, transport of solute …