Hot deformation and recrystallization of a metastable beta titanium ingot

Ghaderi, Alireza, Hodgson, Peter D. and Barnett, Matthew R. 2016, Hot deformation and recrystallization of a metastable beta titanium ingot, in Ti-2015: Proceedings of the 13th World Conference on Titanium, Wiley, London, Eng., pp. 765-769, doi: 10.1002/9781119296126.ch128.

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Title Hot deformation and recrystallization of a metastable beta titanium ingot
Author(s) Ghaderi, AlirezaORCID iD for Ghaderi, Alireza
Hodgson, Peter D.
Barnett, Matthew R.ORCID iD for Barnett, Matthew R.
Conference name Titanium. World Conference (13th : 2015 : San Diego, California)
Conference location San Diego, Calif.
Conference dates 2015/08/16 - 2015/08/20
Title of proceedings Ti-2015: Proceedings of the 13th World Conference on Titanium
Editor(s) Venkatesh, V.
Pilchak, A.L.
Allison, J.E.
Ankem, S.
Boyer, R.R.
Christodoulou, J.
Fraser, H.L.
Imam, A.
Kosaka, Y
Rack, H.J.
Chatterjee, A.
Woodfield, A.
Publication date 2016
Start page 765
End page 769
Total pages 5
Publisher Wiley
Place of publication London, Eng.
Summary Hot deformation behavior and microstructure evolution of a coarse grain metastable beta titanium alloy (Ti-5Al-5Mo-5V-3Cr) was investigated using uniaxial compression testing followed by a subsequent beta annealing treatment. Compression testing was carried out at 720 °C and strain rates between 0.001-10 s-1 on samples with beta annealed condition and aged microstructure containing high volume fraction of relatively large alpha precipitates. The peak load of the aged samples are higher than the non-aged specimens but they show rather similar steady state flow stress. The subsequent beta annealing treatment on the compressed aged samples leads to breaking down the ingot microstructure and formation of a fully recrystallized beta phase with massive grain refinement (order of millimeter to ∼100 μm). However, after annealing such grain refinement is not seen for the non-aged samples except at high strain rates that showed partial and local recrystallization.
ISBN 9781119293668
Language eng
DOI 10.1002/9781119296126.ch128
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 861206 Structural Metal Products
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2016, Wiley
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