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Modelling dynamic recovery and recrystallization of metals by a new non-equilibrium thermodynamics approach

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Publication date1/01/2007
Host publicationRecrystallization and Grain Growth III : Proceedings of the Third International Conference on Recrystallization and Grain Growth, ReX and GG III
Pages517-522
Number of pages6
Volume558-559
<mark>Original language</mark>English
Event3rd International Conference on Recrystallization and Grain Growth, ReX GG III - Jeju Island, Korea, Republic of
Duration: 10/06/200715/06/2007

Conference

Conference3rd International Conference on Recrystallization and Grain Growth, ReX GG III
Country/TerritoryKorea, Republic of
CityJeju Island
Period10/06/0715/06/07

Publication series

NameMaterials Science Forum
NumberPART 1
Volume558-559
ISSN (Print)0255-5476
ISSN (electronic)1662-9752

Conference

Conference3rd International Conference on Recrystallization and Grain Growth, ReX GG III
Country/TerritoryKorea, Republic of
CityJeju Island
Period10/06/0715/06/07

Abstract

A non-equilibrium thermodynamics-based approach is proposed to predict the dislocation density and flow stress at the steady state of high temperature deformation. For a material undergoing dynamic recovery and recrystallization, it is found that the total dislocation density can be expressed as ρ = (λε̇/b)2, where ε̇ is the strain rate, b is the magnitude of the Burgers vector and λ is a dynamic recovery and recrystallization related parameter.