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The effect of strain rate on the deformation mechanisms and the strain rate sensitivity of an ultra-fine-grained Al alloy

Sabirov, I., Barnett, M.R., Estrin, Y. and Hodgson, P.D. 2009, The effect of strain rate on the deformation mechanisms and the strain rate sensitivity of an ultra-fine-grained Al alloy, Scripta materialia, vol. 61, no. 2, pp. 181-184, doi: 10.1016/j.scriptamat.2009.03.032.

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Title The effect of strain rate on the deformation mechanisms and the strain rate sensitivity of an ultra-fine-grained Al alloy
Author(s) Sabirov, I.
Barnett, M.R.ORCID iD for Barnett, M.R. orcid.org/0000-0001-8287-9044
Estrin, Y.
Hodgson, P.D.
Journal name Scripta materialia
Volume number 61
Issue number 2
Start page 181
End page 184
Total pages 4
Publisher Pergamon
Place of publication Kidlington. England
Publication date 2009-07
ISSN 1359-6462
1872-8456
Keyword(s) Al alloy
equal channel angular pressing
ultra-fine-grained microstructure
strain rate sensitivity
Summary An ultra-fine-grained Al alloy was subjected to compression tests at different strain rates. The strain rate sensitivity of the flow stress was estimated. A strong effect of the baseline strain rate on the mechanisms of plastic deformation was found. It is suggested that a decrease of strain rate results in activation of micro shear banding due to grain boundary sliding. A connection between the strain rate, strain rate sensitivity, and the prevalent deformation mechanism was established.
Language eng
DOI 10.1016/j.scriptamat.2009.03.032
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 861101 Basic Aluminium Products
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
HERDC collection year 2009
Copyright notice ©2009, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30026212

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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Created: Mon, 29 Mar 2010, 18:22:42 EST by Sandra Dunoon

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