Deformation behavior and plastic instabilities of ultrafine-grained titanium

D. Jia; Y. M. Wang; K. T. Ramesh; E. Ma; Y. T. Zhu; R. Z. Valiev

doi:10.1063/1.1384000

Deformation behavior and plastic instabilities of ultrafine-grained titanium

D. Jia
, Y. M. Wang
, K. T. Ramesh
, E. Ma
, Y. T. Zhu
, R. Z. Valiev

Research output: Contribution to journal › Article › peer-review

477 Scopus citations

Abstract

Ultrafine-grained (UFG) Ti samples have been prepared using equal channel angular pressing followed by cold rolling and annealing. The deformation behavior of these materials, including strain hardening, strain rate dependence of flow stress, deformation/failure mode, and tensile necking instability, have been systematically characterized. The findings are compared with those for conventional coarse-grained Ti and used to explain the limited tensile ductility observed so far for UFG or nanocrystalline metals.

Original language	English
Pages (from-to)	611-613
Number of pages	3
Journal	Applied Physics Letters
Volume	79
Issue number	5
DOIs	https://doi.org/10.1063/1.1384000
State	Published - 30 Jul 2001
Externally published	Yes

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10.1063/1.1384000

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abstract = "Ultrafine-grained (UFG) Ti samples have been prepared using equal channel angular pressing followed by cold rolling and annealing. The deformation behavior of these materials, including strain hardening, strain rate dependence of flow stress, deformation/failure mode, and tensile necking instability, have been systematically characterized. The findings are compared with those for conventional coarse-grained Ti and used to explain the limited tensile ductility observed so far for UFG or nanocrystalline metals.",

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AU - Wang, Y. M.

AU - Ramesh, K. T.

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AU - Zhu, Y. T.

AU - Valiev, R. Z.

PY - 2001/7/30

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N2 - Ultrafine-grained (UFG) Ti samples have been prepared using equal channel angular pressing followed by cold rolling and annealing. The deformation behavior of these materials, including strain hardening, strain rate dependence of flow stress, deformation/failure mode, and tensile necking instability, have been systematically characterized. The findings are compared with those for conventional coarse-grained Ti and used to explain the limited tensile ductility observed so far for UFG or nanocrystalline metals.

AB - Ultrafine-grained (UFG) Ti samples have been prepared using equal channel angular pressing followed by cold rolling and annealing. The deformation behavior of these materials, including strain hardening, strain rate dependence of flow stress, deformation/failure mode, and tensile necking instability, have been systematically characterized. The findings are compared with those for conventional coarse-grained Ti and used to explain the limited tensile ductility observed so far for UFG or nanocrystalline metals.

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Deformation behavior and plastic instabilities of ultrafine-grained titanium

Abstract

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