Publication
Modeling of deformation in nanocrystalline copper using an atomistic-based continuum approach
Related publications (42)
Experimental quantification of 3D deformations in sensitive clay during stress-probing
Unique four-dimensional (4D) deformation data are collected during drained triaxial tests on intact specimens of a natural sensitive clay. This requires the development of a miniature triaxial cell for advanced stress path testing, specifically designed fo ...
ICE PUBLISHING2022Deformation twinning mechanism in magnesium at the microscale: strain rate, temperature and orientation effects
The project aims to validate some recent theoretical developments on the deformation twinning nucleation mechanism in HCP metals through small-scale mechanic experiments. To this end, a systematic investigation of the mechanical response of pure magnesium ...
EPFL2022Hydraulic Transport Through Calcite Bearing Faults With Customized Roughness: Effects of Normal and Shear Loading
Marie Estelle Solange Violay, Mateo Alejandro Acosta
Understanding fluid flow in rough fractures is of high importance to large scale geologic processes and to most anthropogenic geo‐energy activities. Here we conducted fluid transport experiments on Carrara marble fractures with a novel customized surface t ...
2020Effect of normal and shear loading on the hydraulic transport properties of calcite bearing faults with customized roughness
Marie Estelle Solange Violay, Mateo Alejandro Acosta
Understanding fluid flow in rough fractures is of high importance to large scale geologic processes and to most anthropogenic geo-energy activities. Here, we conducted fluid transport experiments on Carrara marble fractures with a novel customized surface ...
2020A double-structure hydromechanical constitutive model for compacted bentonite.
This paper presents a double-structure elastoplastic constitutive model that can describe the hydromechanical behavior of compacted bentonite. The model is formulated based on a new developed double-structure hydromechanical framework that consists of four ...
2019Investigations and numerical modeling of mechanical properties of tempered martensitic steel Eurofer97 at various loading rates, temperatures and after spallation irradiation
The reduced activation tempered martensitic steel Eurofer97 is a reference steel for a structural applica-tions in fusion reactors. The first-wall and blanket materials will be subjected to high thermal and neutron fluxes and will experience very complex, ...
EPFL2018Microstructure and flow stress evolution during hot deformation of 304L austenitic stainless steel in variable thermomechanical conditions
Most of industrial hot deformation processes are performed in variable conditions where the strain rate and/or deformation temperature are not constant. In this work, hot compression tests in both constant and varying strain rate conditions were performed ...
Elsevier2018Thermal Activation, Intermittency and Size Effects in the Plastic Deformation of Cast Aluminium Microwires
Suzanne Godelieve Alphonsine Verheyden
The microcasting process is a scaled-down investment casting process in which molten metal is pressure-infiltrated and directionally solidified in water-soluble moulds. It was previously developed to produce metallic microwires with a diameter (D) between ...
EPFL2018NAGRA Project Order 15’228 EBS – Task Force: Homogenization Analysis of Bentonite & Gas Transport in Bentonite
The Task 7 of the EBS task force is devoted to the modelling of gas transport phenomena in bentonite. This report describes the second phase of Task 7 that concerns the finite element modelling of some specific tests performed on granular bentonite to asse ...
2017Nanocrystalline metals: transient testing during in situ X-ray diffraction and molecular dynamics
Nanocrystalline (NC) metals have attracted widespread interest in materials science due to their high strength compared to coarse-grained counterparts. It is well know that during uniaxial deformation, the stress-strain behaviour exhibits an extraordinary ...
EPFL2016