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Influence of specimen dimensions on the tensile behavior of ultrafine-grained Cu

Influence of specimen dimensions on the tensile behavior of ultrafine-grained Cu
Influence of specimen dimensions on the tensile behavior of ultrafine-grained Cu
Miniature dog-bone specimens with different sizes and geometries are frequently used to measure the tensile behaviors of nanostructured materials. Here we report a significant specimen dimensions influence on the tensile behavior of ultrafine-grained Cu: the elongation to failure, post-necking elongation and strain hardening rate all increase with increasing thickness or decreasing gauge length. The thickness effect is caused by the necking geometry and the effect of gauge length originates from the strain definition.
ultrafine-grained Cu, specimen size and geometry, tensile ductility, finite element modeling (fem)
1359-6462
627-630
Zhao, Y.H.
4fea315b-8c7d-4bb1-badc-236b309ef228
Guo, Y.Z.
f0924ae5-ca96-46df-8c49-24754247c007
Wei, Q.
37a85d24-59da-4017-9add-963d999a2588
Dangelewicz, A.M.
f90f27b7-c009-43d3-9402-fb7f9731021d
Xu, C.
66441ee5-1017-4177-abb2-7875c09bdc66
Zhu, Y.T.
ddbd5b30-13ca-45a6-9296-ed5b60811efb
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhou, Y.Z
d73aeeaf-9874-424a-b67e-5a0aa49eb63c
Lavernia, E.J.
6a721d94-e1ad-4921-a656-ac0e7c625bd1
Zhao, Y.H.
4fea315b-8c7d-4bb1-badc-236b309ef228
Guo, Y.Z.
f0924ae5-ca96-46df-8c49-24754247c007
Wei, Q.
37a85d24-59da-4017-9add-963d999a2588
Dangelewicz, A.M.
f90f27b7-c009-43d3-9402-fb7f9731021d
Xu, C.
66441ee5-1017-4177-abb2-7875c09bdc66
Zhu, Y.T.
ddbd5b30-13ca-45a6-9296-ed5b60811efb
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhou, Y.Z
d73aeeaf-9874-424a-b67e-5a0aa49eb63c
Lavernia, E.J.
6a721d94-e1ad-4921-a656-ac0e7c625bd1

Zhao, Y.H., Guo, Y.Z., Wei, Q., Dangelewicz, A.M., Xu, C., Zhu, Y.T., Langdon, T.G., Zhou, Y.Z and Lavernia, E.J. (2008) Influence of specimen dimensions on the tensile behavior of ultrafine-grained Cu. Scripta Materialia, 59 (6), 627-630. (doi:10.1016/j.scriptamat.2008.05.031).

Record type: Article

Abstract

Miniature dog-bone specimens with different sizes and geometries are frequently used to measure the tensile behaviors of nanostructured materials. Here we report a significant specimen dimensions influence on the tensile behavior of ultrafine-grained Cu: the elongation to failure, post-necking elongation and strain hardening rate all increase with increasing thickness or decreasing gauge length. The thickness effect is caused by the necking geometry and the effect of gauge length originates from the strain definition.

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More information

e-pub ahead of print date: 4 June 2008
Published date: September 2008
Keywords: ultrafine-grained Cu, specimen size and geometry, tensile ductility, finite element modeling (fem)
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 64336
URI: http://eprints.soton.ac.uk/id/eprint/64336
ISSN: 1359-6462
PURE UUID: fc90604d-a227-4df8-8a53-2a11f60f25ca
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 06 Jan 2009
Last modified: 16 Mar 2024 03:28

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Contributors

Author: Y.H. Zhao
Author: Y.Z. Guo
Author: Q. Wei
Author: A.M. Dangelewicz
Author: C. Xu
Author: Y.T. Zhu
Author: T.G. Langdon ORCID iD
Author: Y.Z Zhou
Author: E.J. Lavernia

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