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Homogenization of dislocation dynamics

El Hajj, Ahmad; Ibrahim, Hassan; Monneau, Régis (2009), Homogenization of dislocation dynamics, IOP Conference Series: Materials Science and Engineering, 3, Paper 012023, p. -. http://dx.doi.org/10.1088/1757-899X/3/1/012023

Type
Article accepté pour publication ou publié
External document link
http://hal.archives-ouvertes.fr/hal-00349567/en/
Date
2009
Journal name
IOP Conference Series: Materials Science and Engineering
Volume
3
Number
Paper 012023
Publisher
Institute of Physics
Pages
-
Publication identifier
http://dx.doi.org/10.1088/1757-899X/3/1/012023
Metadata
Show full item record
Author(s)
El Hajj, Ahmad
Ibrahim, Hassan
Monneau, Régis
Abstract (EN)
In this paper we consider the dynamics of dislocations with the same Burgers vector, contained in the same glide plane, and moving in a material with periodic obstacles. We study two cases: i) the particular case of parallel straight dislocations and ii) the general case of curved dislocations. In each case, we perform rigorously the homogenization of the dynamics and predict the corresponding effective macroscopic elasto-visco-plastic flow rule.
Subjects / Keywords
Curved Dislocations; Parallel Straight Dislocations; Dislocations

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