Search Results - "Carrez, Ph"
-
1
Modeling dislocation glide in Mg 2 SiO 4 ringwoodite: Towards rheology under transition zone conditions
Published in Physics of the earth and planetary interiors (01-11-2015)Get full text
Journal Article -
2
Atomistic simulations of ½〈1 1 0〉 screw dislocation core in magnesium oxide
Published in Computational materials science (01-06-2015)Get full text
Journal Article -
3
Transmission electron microscopy of dislocations in cementite deformed at high pressure and high temperature
Published in Philosophical magazine (Abingdon, England) (12-06-2016)“…Polycrystalline aggregates of cementite (Fe 3 C) and (Fe,Ni) 3 C have been synthesised at 10 GPa and 1250 °C in the multianvil apparatus. Further, deformation…”
Get full text
Journal Article -
4
On the glide of [100] dislocation and the origin of ‘pencil glide’ in Mg 2 SiO 4 olivine
Published in Philosophical magazine (Abingdon, England) (17-11-2019)Get full text
Journal Article -
5
Fat Plumes May Reflect the Complex Rheology of the Lower Mantle
Published in Geophysical research letters (16-02-2018)“…Recent tomographic imaging of the mantle below major hot spots shows slow seismic velocities extending down to the core‐mantle boundary, confirming the…”
Get full text
Journal Article -
6
On the glide of [100] dislocation and the origin of 'pencil glide' in Mg2SiO4 olivine
Published in Philosophical magazine (Abingdon, England) (17-11-2019)“…Olivine with chemical composition (Mg,Fe) 2 SiO 4 is a silicate which is supposed to strongly constrain the flow of the Earth's upper mantle under thermal…”
Get full text
Journal Article -
7
Peierls potential and kink-pair mechanism in high-pressure MgSiO 3 perovskite: An atomic scale study
Published in Physical review. B, Condensed matter and materials physics (01-01-2016)“…The motion of [100](010) screw dislocations via a kink-pair mechanism is investigated in high-pressure MgSiO3 perovskite by means of atomistic calculations and…”
Get full text
Journal Article -
8
Atomistic simulations of ½〈110〉 screw dislocation core in magnesium oxide
Published in Computational materials science (01-06-2015)“…Evolution of the strain energy of a dislocation within a quadrupolar arrangement for four different pressures. Open (filled) symbols correspond to pairwise…”
Get full text
Journal Article -
9
Atomistic simulations of 1/2110 screw dislocation core in magnesium oxide
Published in Computational materials science (01-06-2015)“…Atomistic calculations of the 1/2110 screw dislocation core structure in MgO have been carried out showing the influence of high pressure (up to 100GPa) on the…”
Get full text
Journal Article -
10
First-principles study of the ideal strength of Fe3C cementite
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (10-06-2013)“…The ultimate (ideal) mechanical properties of iron carbide Fe3C (cementite) have been calculated using first-principles calculations and the generalized…”
Get full text
Journal Article -
11
Modeling dislocation glide in Mg2SiO4 ringwoodite: Towards rheology under transition zone conditions
Published in Physics of the earth and planetary interiors (01-11-2015)“…•Modeling dislocation glide in ringwoodite at 20GPa for a wide range of temperatures.•Quantifying dislocation glide under laboratory and mantle…”
Get full text
Journal Article -
12
Numerical modeling of the core structure of [100] dislocations in Fe 3 C cementite
Published in Scripta materialia (01-04-2015)Get full text
Journal Article -
13
Multiscale modelling of MgO plasticity
Published in Acta materialia (01-04-2011)“…We propose a multiscale model of plasticity of pure MgO single crystals. The core structure of the rate controlling ½〈1 1 0〉 screw dislocations has been…”
Get full text
Journal Article -
14
Numerical modeling of the core structure of [100] dislocations in Fe3C cementite
Published in Scripta materialia (01-04-2015)“…The core structure of [100] screw dislocation has been modeled in Fe3C cementite, using the Peierls–Nabarro–Galerkin model based on γ-surfaces for (010) and…”
Get full text
Journal Article -
15
Dislocation reactions, plastic anisotropy and forest strengthening in MgO at high temperature
Published in Mechanics of materials (01-04-2014)“…•We model reactions between dislocations in MgO using DD simulation.•The role of forest reactions on plastic deformation is studied at high…”
Get full text
Journal Article -
16
Peierls-Nabarro model for dislocations in MgSiO3 post-perovskite calculated at 120 GPa from first principles
Published in Philosophical magazine (Abingdon, England) (01-08-2007)“…We present here the first numerical modelling of dislocations in MgSiO 3 post-perovskite at 120 GPa. The dislocation core structures and properties are…”
Get full text
Journal Article -
17
On the role of thermal heterogeneities on the rheology of MgO under conditions of the Earth’s lower mantle
Published in Physics of the earth and planetary interiors (01-05-2015)“…•Dislocation-based multi-scale modelling of MgO viscosity under Earth’s mantle conditions.•Coupling mineral physics to a temperature field from a mantle…”
Get full text
Journal Article -
18
Peierls–Nabarro model for dislocations in MgSiO 3 post-perovskite calculated at 120 GPa from first principles
Published in Philosophical magazine (Abingdon, England) (01-08-2007)Get full text
Journal Article -
19
Evidence from numerical modelling for 3D spreading of [001] screw dislocations in Mg2SiO4 forsterite
Published in Philosophical magazine (Abingdon, England) (01-06-2008)“…Computer simulations have previously been used to derive the atomic scale properties of the cores of screw dislocations in Mg 2 SiO 4 forsterite by direct…”
Get full text
Journal Article -
20
Evidence from numerical modelling for 3D spreading of [001] screw dislocations in Mg 2 SiO 4 forsterite
Published in Philosophical magazine (Abingdon, England) (01-06-2008)Get full text
Journal Article