The effect of grain boundary sliding and strain rate sensitivity on the ductility of ultrafine-grained materials
The effect of grain boundary sliding and strain rate sensitivity on the ductility of ultrafine-grained materials
Most ultrafine-grained (UFG) materials produced by severe plastic deformation (SPD) exibit only limited ductility which is correlated with the low strain rate sensitivity (SRS) of these materials. Recently, it was demonstrated that SPD is capable of increasing the room temperature ductility of aluminum-based alloys attaining elongations up to 150%, together with relatively high strain rate sensitivity. In the present work, additional results and discussions are presented on the effect of grain boundary sliding (GBS) and SRS on the ductility of some UFG metals and alloys. The characteristics of constitutive equations describing the steady-state deformation process are quantitatively analyzed for a better understanding of the effects of grain boundaries and strain rate sensitivity
978-3-03785-007-7
677-682
Chinh, N Q
39ed01a4-23d9-44ed-9ce7-a0372d00ea12
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Csanádi, T.
e5dc4185-eb9b-443f-876e-66d8f8d16fdc
Gubicza, J.
4b1812c5-5905-46be-8c26-51c25ef82722
Valiev, R.Z.
f32c36f3-ce3a-4531-b8ef-0b18ad6626da
. Straumal, B.B.
12bc5455-90ab-47b7-81f5-d1c93324d9df
December 2010
Chinh, N Q
39ed01a4-23d9-44ed-9ce7-a0372d00ea12
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Csanádi, T.
e5dc4185-eb9b-443f-876e-66d8f8d16fdc
Gubicza, J.
4b1812c5-5905-46be-8c26-51c25ef82722
Valiev, R.Z.
f32c36f3-ce3a-4531-b8ef-0b18ad6626da
. Straumal, B.B.
12bc5455-90ab-47b7-81f5-d1c93324d9df
Chinh, N Q, Langdon, T.G., Csanádi, T., Gubicza, J., Valiev, R.Z. and . Straumal, B.B.
(2010)
The effect of grain boundary sliding and strain rate sensitivity on the ductility of ultrafine-grained materials.
Wang, Jing Tao, Figueiredo, Roberto B. and Langdon, Terence G.
(eds.)
In Nanomaterials by Severe Plastic Deformation: NanoSPD5.
vol. 667-669,
Trans Tech Publications.
.
(doi:10.4028/www.scientific.net/MSF.667-669.677).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Most ultrafine-grained (UFG) materials produced by severe plastic deformation (SPD) exibit only limited ductility which is correlated with the low strain rate sensitivity (SRS) of these materials. Recently, it was demonstrated that SPD is capable of increasing the room temperature ductility of aluminum-based alloys attaining elongations up to 150%, together with relatively high strain rate sensitivity. In the present work, additional results and discussions are presented on the effect of grain boundary sliding (GBS) and SRS on the ductility of some UFG metals and alloys. The characteristics of constitutive equations describing the steady-state deformation process are quantitatively analyzed for a better understanding of the effects of grain boundaries and strain rate sensitivity
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Published date: December 2010
Venue - Dates:
5th International Conference on Nanomaterials by Severe Plastic Deformation, 2011-03-21 - 2011-03-25
Organisations:
Bioengineering Group
Identifiers
Local EPrints ID: 300784
URI: http://eprints.soton.ac.uk/id/eprint/300784
ISBN: 978-3-03785-007-7
PURE UUID: 87895d06-4369-4b40-85e3-d6f7639b25d4
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Date deposited: 29 Feb 2012 12:04
Last modified: 15 Mar 2024 03:13
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Contributors
Author:
N Q Chinh
Author:
T. Csanádi
Author:
J. Gubicza
Author:
R.Z. Valiev
Author:
B.B. . Straumal
Editor:
Jing Tao Wang
Editor:
Roberto B. Figueiredo
Editor:
Terence G. Langdon
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