Mechanisms of Deformation Behavior of Coarse-Grained and Ultrafine-Grained Ti

Abstract:

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A grain size is known to be one of the factors which define mechanical properties of metallic materials. At the same time the mechanisms which regulate the deformation behavior of bulk ultrafine-grained (UFG) metals produced by the severe plastic deformation method are still a subject for intensive study and fixed ambiguously. The report presents the developed model and the results of its application for kinetic modeling of the deformation behavior of coarse-grained (CG) and UFG Ti. Modeling has been carried out considering the possible contribution of dislocation slip and ageing. Conclusions about the role of the investigated mechanisms in the appearance of the peculiarities of the deformation behavior of CG and UFG Ti have been made.

Info:

Periodical:

Materials Science Forum (Volumes 667-669)

Edited by:

Jing Tao Wang, Roberto B. Figueiredo and Terence G. Langdon

Pages:

749-754

DOI:

10.4028/www.scientific.net/MSF.667-669.749

Citation:

I. V. Alexandrov and R. G. Chembarisova, "Mechanisms of Deformation Behavior of Coarse-Grained and Ultrafine-Grained Ti", Materials Science Forum, Vols. 667-669, pp. 749-754, 2011

Online since:

December 2010

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$35.00

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