Interactive Resource icon  Strain Induced Grain Boundary Migration (SIBM)

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Description: SIBM involves bulging of part of a pre-existing grain boundary, leaving a dislocation-free region behind the migrating boundary. Thus SIBM reduces the internal energy of the material by decreasing that component which was stored as dislocation energy. The characteristic features of SIBM are that the new grains have similar orientations to the old grains from which they have grown. This results in recrystallisation texture which is closely related to the deformation texture. This interactive animation schematically presents the process of strain induced grain boundary migration.
Keywords: recrystallisation • grain boundary • dislocation
Categories: Science approaches > Strengthening mechanisms > Recovery, recrystallisation & grain growth
Materials > Metals & alloys > Aluminium & alloys
Created by: Havovy Cama, Innoval Technology Ltd (formerly Alcan Intl. Ltd, Banbury)
MATTER, The University of Liverpool
Contributions: Ricky Ricks, Innoval Technology Ltd (formerly Alcan Intl. Ltd, Banbury)
Richard Hamerton, Alcan International Ltd
John Humphreys, Manchester Materials Science Centre
Published by: European Aluminium Association, Brussels
License: This resource is released under the Creative Commons Attribution Non-Commercial No Derivatives license (2.0 UK: England & Wales).
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Date created: 15 April 2003
Date added: 21 December 2009
Resource ID: 2629