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A simple model for dynamic recrystallization during severe plastic deformation

Le, K. C. and Kochmann, D. M. (2009) A simple model for dynamic recrystallization during severe plastic deformation. Archive of Applied Mechanics, 79 (6-7). pp. 579-586. ISSN 0939-1533.

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During severe plastic deformation at elevated temperature dynamic recrystallization governs the microstructural evolution in natural geological processes as well as in industrial processing of metals, e.g. during equal channel angular extrusion (ECAE). Microstructure changes into almost dislocation-free grains of an average diameter of a few hundred nanometers yielding materials with excellent room-temperature strength. In this paper, we present a thermodynamically consistent model for the dynamic recrystallization during severe plastic deformation which provides explicit evolution equations for grain size and dislocation density.

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Kochmann, D. M.0000-0002-9112-6615
Additional Information:© Springer 2008. Received: 3 December 2007 / Accepted: 21 August 2008 / Published online: 20 December 2008.
Subject Keywords:Grain size; Dislocation density; Dynamic recrystallization
Issue or Number:6-7
Record Number:CaltechAUTHORS:20131001-082855589
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:41582
Deposited By: Dennis Kochmann
Deposited On:01 Oct 2013 20:39
Last Modified:03 Oct 2019 05:50

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