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Deformation mechanisms in an ultra-fine grained Al alloy

Sabirov, Ilchat, Barnett, Matthew Robert, Estrin, Yuri, Timokhina, Ilana and Hodgson, Peter 2009, Deformation mechanisms in an ultra-fine grained Al alloy, International journal of materials research, vol. 100, no. 12, pp. 1679-1685.

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Title Deformation mechanisms in an ultra-fine grained Al alloy
Author(s) Sabirov, Ilchat
Barnett, Matthew Robert
Estrin, Yuri
Timokhina, Ilana
Hodgson, Peter
Journal name International journal of materials research
Volume number 100
Issue number 12
Start page 1679
End page 1685
Publisher Carl Hanser Verlag GmbH
Place of publication Munich, Germany
Publication date 2009
ISSN 1862-5282
Keyword(s) al alloy
equal channel angular pressing
ultra-fine grained microstructure
deformation mechanisms
Summary This work focuses on the deformation behavior of an ultra-fine grained Al-Mg-Si alloy processed by equal channel angular pressing over a wide range of temperatures and strain rates. The effect of temperature and strain rate on the homogeneity of plastic deformation, the evolution of microstructure, the strain rate sensitivity and the underlying deformation mechanisms are investigated. It is demonstrated that the localization of plastic deformation at the micro scale is triggered by grain boundary sliding due to grain boundary sliding due to grain boundary diffusion. The contributions of different deformation mechanisms during the plastic deformation of the material are discussed.
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Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2009, Carl Hanser Verlag GmbH
Persistent URL http://hdl.handle.net/10536/DRO/DU:30028402

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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