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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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King, Andrew
Salford Royal NHS Foundation Trust
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (27/27 displayed)
- 2024Impact of flax fibre micro-structural features on composite damage observed through micro-CT characterisationcitations
- 2023Local Structure and Density of Liquid Fe‐C‐S Alloys at Moon's Core Conditionscitations
- 2023A Novel Multi-Model High Spatial Resolution Method for Analysis of DCE MRI Data: Insights from Vestibular Schwannoma Responses to Antiangiogenic Therapy in Type II Neurofibromatosiscitations
- 2023Environment effect on internal fatigue crack propagation studied with in-situ X-ray microtomographycitations
- 2022Internal fatigue crack monitoring during ultrasonic fatigue test using temperature measurements and tomographycitations
- 2022Internal fatigue crack monitoring during ultrasonic fatigue test using temperature measurements and tomographycitations
- 2022Quantitative thermomechanical characterisation of 3D-woven SiC/SiC composites from in-situ tomographic and thermographic imagingcitations
- 2022In situ tomographic study of a 3D-woven SiC/SiC composite part subjected to severe thermo-mechanical loadscitations
- 2021Tomography Imaging of Lithium Electrodeposits Using Neutron, Synchrotron X-ray, and Laboratory X-ray sources: A Comparisoncitations
- 2021In Situ Imaging Comparison of Lithium Electrodeposits By Neutron and X-Ray (Synchrotron and Laboratory) Tomographycitations
- 2021Microstructural evolution in deforming olivine-serpentine aggregates at subduction zones conditions using in-situ X-ray tomography
- 2021A new high-pressure technique for the measurement of low frequency seismic attenuation using cyclic torsional loadingcitations
- 2020TiC-MgO composite: an X-ray transparent and machinable heating element in a multi-anvil high pressure apparatuscitations
- 2020Reevaluation of metal interconnectivity in a partially molten silicate matrix using 3D microtomographycitations
- 2020In situ synchrotron ultrasonic fatigue testing device for 3D characterisation of internal crack initiation and growthcitations
- 2019Analysis of the damage initiation in a SiC/SiC composite tube from a direct comparison between large-scale numerical simulation and synchrotron X-ray micro-computed tomographycitations
- 2019Strain localization in ductile shear zones: This is a crystal plasticity's world, but it wouldn't be nothing without a micro-cracking or a sliding grain
- 2019Crystal slip and Grain Sliding: a two-stroke engine driving ductile localization
- 2018Time dependent voiding mechanisms in polyamide 6 submitted to high stress triaxiality : experimental characterisation and finite element modellingcitations
- 2017In-situ synchrotron X-ray radiography observation of primary Al2Cu intermetallic growth on fragments of aluminium oxide filmcitations
- 2017A synchrotron X-radiography study of the fragmentation and refinement of primary intermetallic particles in an Al-35 Cu alloy induced by ultrasonic melt processingcitations
- 2016Massively parallel FFT-based simulation to analyze the behavior of architected SiC/SiC composite tubes from synchrotron X-ray tomography
- 2014Investigation of fatigue crack propagation in nickel superalloy using Diffraction contrast tomography and Phase Contrast tomographycitations
- 2013Advances in X-ray diffraction contrast tomography: flexibility in the setup geometry and application to multiphase materialscitations
- 2013X-ray diffraction contrast tomography: a combined 3D imaging and diffraction methodology for characterization of polycristalline materials
- 20113-D growth of a short fatigue crack within a polycrystalline microstructure studied using combined diffraction and phase-contrast X-ray tomographycitations
- 20113D growth of a short fatigue crack within a polycrystalline microstructure studied using combined diffraction and phase-contrast X-ray tomographycitations
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article
Local Structure and Density of Liquid Fe‐C‐S Alloys at Moon's Core Conditions
Abstract
The local structure and density of ternary Fe-C-S liquid alloys have been studied using a combination of in situ X-ray diffraction and absorption experiments between 1 and 5 GPa and 1600–1900 K. The addition of up to 12 at% of carbon (C) to Fe-S liquid alloys does not significantly modify the structure, which is largely controlled by the perturbation to the Fe-Fe network induced by S atoms. The liquid density determined from diffraction and/or absorption techniques allows us to build a non-ideal ternary mixing model as a function of pressure, temperature, and composition in terms of the content of alloying light elements. The composition of the Moon's core is addressed based on this thermodynamic model. Under the assumption of a homogeneous liquid core proposed by two recent Moon models, the sulfur content would be 27–36 wt% or 12–23 wt%, respectively, while the carbon content is mainly limited by the Fe-C-S miscibility gap, with an upper bound of 4.3 wt%. On the other hand, if the core is partially molten, the core temperature is necessarily lower than 1850 K estimated in the text, and the composition of both the inner and outer core would be controlled by aspects of the Fe-C-S phase diagram not yet sufficiently constrained.