A modified cellular automaton model for the quantitative prediction of equiaxed and columnar dendritic growth

R Chen, Q Xu, B Liu - Journal of Materials Science & Technology, 2014 - Elsevier
Since the characteristic of dendrite is an important factor determining the performance of
castings, a two-dimensional cellular automaton model with decentered square algorithm is …

Impact of gravity on directional solidification of refined Al-20wt.% Cu alloy investigated by in situ X-radiography

H Soltani, F Ngomesse, G Reinhart… - Journal of Alloys and …, 2021 - Elsevier
Gravity effects such as natural convection in the liquid phase and buoyancy forces acting on
the solid phase have a strong influence on the grain structure and microstructure formation …

[HTML][HTML] Direct observation of spatially isothermal equiaxed solidification of an Al–Cu alloy in microgravity on board the MASER 13 sounding rocket

AG Murphy, RH Mathiesen, Y Houltz, J Li… - Journal of Crystal …, 2016 - Elsevier
For the first time, isothermal equiaxed solidification of a metallic alloy has been observed in
situ in space, providing unique benchmark experimental data. The experiment was …

XRMON-SOL: Isothermal equiaxed solidification of a grain refined Al–20 wt% Cu alloy

AG Murphy, RH Mathiesen, Y Houltz, J Li… - Journal of Crystal …, 2016 - Elsevier
A novel isothermal solidification furnace (XRMON-SOL) has been developed for operation
under terrestrial and microgravity conditions, using aluminium-based alloys, in conjunction …

Simulation of directional solidification of refined Al–7 wt.% Si alloys–Comparison with benchmark microgravity experiments

DR Liu, N Mangelinck-Noël, CA Gandin… - Acta Materialia, 2015 - Elsevier
Formation of grain structure and segregation during solidification of refined Al–7 wt.% Si
alloys under microgravity is simulated using a two-dimensional axi-symmetrical Cellular …

Impact of growth velocity on grain structure formation during directional solidification of a refined Al-20 wt.% Cu alloy

H Soltani, G Reinhart, MC Benoudia, F Ngomesse… - Journal of Crystal …, 2020 - Elsevier
The paper presents detailed analyses of solidification experiments performed on a refined Al-
20 wt.% Cu alloy using the SFINX (Solidification Furnace with IN situ X-radiography) …

Analysis of gravity effects during binary alloy directional solidification by comparison of microgravity and Earth experiments with in situ observation

N Bergeon, G Reinhart, FL Mota… - The European Physical …, 2021 - Springer
Under terrestrial conditions, solidification processes are influenced to a large degree by the
gravity effects such as natural convection or buoyancy force, which can dramatically modify …

XRMON-GF experiments devoted to the in situ X-ray radiographic observation of growth process in microgravity conditions

H Nguyen-Thi, G Reinhart… - … Science and Technology, 2014 - Springer
Structural material properties are strongly related to the solidified microstructures, thus
precise control of microstructural formation and selection are crucial in engineering. As most …

Overview of in situ x-ray studies of light alloy solidification in microgravity

DJ Browne, F Garcia-Moreno, H Nguyen-Thi… - Magnesium Technology …, 2017 - Springer
Gravity has significant effects on alloy solidification, primarily due to thermosolutal
convection and solid phase buoyancy. Since 2004, the European Space Agency has been …

X-ray tomography in micro-gravity

HT Menendez, M Heckel, A Sack… - Review of Scientific …, 2019 - pubs.aip.org
We present an X-ray device for use under conditions of weightlessness to produce high-
speed radiograms and tomograms. The device is equipped with two detectors of different …