Doctoral thesis (Dissertations and theses)
Development and numerical validation of a 2-scale computational model to study the mechanical behavior of nanocrystalline metals
Péron, Vincent
2014
 

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Keywords :
Finite-element model; Quasicontinuum method; Nanocrystalline metals
Abstract :
[en] This work aims at predicting the mechanical behavior of nanocrystalline structure using a 2-scale approach. Molecular simulations using the quasicontinuum method (QC) are performed to obtain the mechanical responses of the grain-boundaries and grains at the nanoscale. A finite element model is then calibrated using these atomistic results. This 2-scale model accounts for intergranular and intragranular plasticity, can predict the intergranular failure, and is able to study large structures.
Disciplines :
Materials science & engineering
Author, co-author :
Péron, Vincent ;  Université de Liège - ULiège > Doct. sc. ingé. (aérosp. & méca. - Bologne)
Language :
English
Title :
Development and numerical validation of a 2-scale computational model to study the mechanical behavior of nanocrystalline metals
Defense date :
15 May 2014
Number of pages :
123
Institution :
ULiège - Université de Liège
Degree :
Doctor in Engineering Sciences
Promotor :
Noels, Ludovic  ;  Université de Liège - ULiège > Aérospatiale et Mécanique (A&M)
President :
Lecomte-Beckers, Jacqueline ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique
Jury member :
Ghosez, Philippe  ;  Université de Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM)
Sansoz, Frédéric
Stainier, Laurent
Jérusalem, Antoine
Habraken, Anne  ;  Université de Liège - ULiège > Urban and Environmental Engineering
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since 20 May 2014

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