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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.

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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.
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
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, Acta Materialia
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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Citation counts: TR Web of Science Citation Count  Cited 17 times in TR Web of Science
Scopus Citation Count Cited 16 times in Scopus
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Created: Mon, 29 Mar 2010, 18:22:42 EST by Sandra Dunoon