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Stress-induced martensitic phase transformation in Cu-Zr nanowires

Sutrakar, Vijay Kumar and Mahapatra, D Roy (2009) Stress-induced martensitic phase transformation in Cu-Zr nanowires. In: Materials Letters, 63 (15). pp. 1289-1292.

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Abstract

A novel stress-induced martensitic phase transformation in an initial < 100 >/{100} B2-CuZr nanowire is reported for the first time in this letter. Such behavior is observed in a nanowire with cross-sectional dimensions of 19.44 x 19.44 angstrom(2) over a temperature range of 100-400 K and at a strain rate of 1 x 10(9) s(-1) using atomistic simulations. Phase transformation from an initial B2 phase to a BCT (Body-Centered-Tetragonal) phase is observed via nucleation and propagation of {100} twinning plane under high strain rate tensile deformation. (C) 2009 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: copyright of this article belongs to Elsevier Science.
Keywords: Martensitic transformation;Metals and alloys;Nanowire; Mechanical properties;Thermal properties
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 03 Jan 2010 10:44
Last Modified: 19 Sep 2010 05:33
URI: http://eprints.iisc.ernet.in/id/eprint/20550

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