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26 papers · 1 filter
Predicting cement microstructure and mechanical properties in hydrating cement paste with a Phase-Field model
Alexandre Sac-Morane, Katerina Ioannidou, Manolis Veveakis +1
Predicting the evolving microstructure of hydrating cement is essential for understanding and modeling its mechanical property development. Physics-based continuum approaches offer…
X-Ray microtomography of mercury intruded compacted clay: An insight into the geometry of macropores
Shengyang Yuan, Xianfeng Liu, Yongxin Wang +3
Soil properties, such as wetting collapse behavior and permeability, are strongly correlated to the soil microstructure. To date, several techniques including mercury intrusion por…
Affordable inline structuration measurements of printable mortar with a pocket shear vane
Léo Demont, Romain Mesnil, Nicolas Ducoulombier +1
The control of mortar rheology is of paramount importance in the design of systems and structures in 3D printing concrete by extrusion. This is particularly sensitive for two-compo…
Infrared spectra in amorphous alumina: a combined ab initio and experimental study
L. Giacomazzi, N. S. Shcheblanov, M. E. Povarnitsyn +5
We present a combined study based on experimental measurements of infrared (IR) dielectric function and first-principles calculations of IR spectra and vibrational density of state…
Size effects in the toughening of brittle materials by heterogeneities: a non-linear analysis of front deformations
Mathias Lebihain, Manish Vasoya, Véronique Lazarus
Traditional computational approaches in simulating crack propagation in perfectly brittle materials rely on the estimate of stress intensity factors along the rupture front. This p…
Ab initio Canonical Sampling based on Variational Inference
Alois Castellano, Francois Bottin, Johann Bouchet +2
Finite temperature calculations, based on ab initio molecular dynamics (AIMD) simulations, are a powerful tool able to predict material properties that cannot be deduced from groun…