Microstructure and Mechanical Behavior of Ultrafine-Grained Titanium

Abstract:

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Ultrafine-grained titanium was processed by severe plastic deformation (SPD). The SPD was carried out by equal channel angular pressing (ECAP) at high temperature. The ECAPprocessed sample was further deformed by conventional techniques such as radial forging and drawing. The microstructure was characterized quantitatively by X-ray diffraction line profile analysis and transmission electron microscopy after each step of deformation. The effect of procesing routes on the mechanical behavior was also studied. It was found that the conventional deformation processes after ECAP result in further increment in dislocation density and strength at the expense of ductility.

Info:

Periodical:

Edited by:

P.J. Szabó, T. Réti, T. Czigány

Pages:

99-104

DOI:

10.4028/www.scientific.net/MSF.589.99

Citation:

J. Gubicza et al., "Microstructure and Mechanical Behavior of Ultrafine-Grained Titanium", Materials Science Forum, Vol. 589, pp. 99-104, 2008

Online since:

June 2008

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$35.00

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