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In-Situ Observation on the Influence of ß Grain Growth on Texture Evolution during Phase Transformation in Ti-6A-4V / G.C. Obasi, R.J. Moat, D.G. Leo Prakash, W. Kockelmann, J. Quinta da Fonseca, M. Preuss, Leo Prakash

Materials Science Forum, Volume: 702-703, Pages: 854 - 857

Swansea University Author: Leo Prakash

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Abstract

In the present study, in situ phase transformation experiments have been carried out using neutron diffraction to monitor the texture evolution during the α→ß→α phase transformation in Ti-6Al-4V with and without 0.4% yttrium additions. The aim of adding yttrium was to control ß grain growth above th...

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Published in: Materials Science Forum
Published: 2011
URI: https://cronfa.swan.ac.uk/Record/cronfa17651
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Abstract: In the present study, in situ phase transformation experiments have been carried out using neutron diffraction to monitor the texture evolution during the α→ß→α phase transformation in Ti-6Al-4V with and without 0.4% yttrium additions. The aim of adding yttrium was to control ß grain growth above the transus ß by grain boundary pinning. In the present case, strengthening of the ß texture, occurring during ß grain coarsening resulted in strengthening of particular ß texture components, which increases the likelihood of α texture modification by selective growth of α variants on the common (110) ß grain boundaries into unoccupied large β grains.
Keywords: Texture Evolution, Ti-6Al-4V, β Grain Growth
College: College of Engineering
Start Page: 854
End Page: 857