Softening behavior of Ti6Al4V alloy during hot deformation

Souza, Paul Michael, Beladi, Hossein, Rolfe, Bernard, Singh, Rajkumar and Hodgson, Peter D. 2015, Softening behavior of Ti6Al4V alloy during hot deformation, in Proceedings of the 7th International Light Metals Technology Conference 2015, Trans Tech Publications, Basel, Switzerland, pp. 407-412, doi: 10.4028/www.scientific.net/MSF.828-829.407.

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Title Softening behavior of Ti6Al4V alloy during hot deformation
Author(s) Souza, Paul Michael
Beladi, HosseinORCID iD for Beladi, Hossein orcid.org/0000-0003-0131-707X
Rolfe, BernardORCID iD for Rolfe, Bernard orcid.org/0000-0001-8516-6170
Singh, Rajkumar
Hodgson, Peter D.
Conference name Light Metals Technology. Conference (7th : 2015 : Port Elizabeth, South Africa)
Conference location Port Elizabeth, South Africa
Conference dates 27-29 Jul. 2015
Title of proceedings Proceedings of the 7th International Light Metals Technology Conference 2015
Editor(s) Chikwanda, H.K.
Publication date 2015
Start page 407
End page 412
Total pages 6
Publisher Trans Tech Publications
Place of publication Basel, Switzerland
Keyword(s) Titanium
Ti6Al4V
Hot deformation
DRX
Flow behvaior
Summary The effect of strain rate and strain on the hot compression behavior of Ti6Al4V has been analysed to understand the microstructural evolution and restoration behavior. Cylindrical samples with partially equiaxed grains were deformed in the α+β region at different thermo-mechanical conditions. EBSD has been used to study the microstructural evolution and the flow softening mechanisms. The microstructural evolution showed a complex restoration behaviour, where both fragmentation and nucleation of new grains have been observed. The volume fraction of the equiaxed grains increased with an increase in the strain, but decreased with the strain rate. At the same time, the average grain size of the equiaxed grains decreased with an increase in both the strain and strain rate. The measured activation energy for deformation revealed a good agreement with reported values in the literature.
Language eng
DOI 10.4028/www.scientific.net/MSF.828-829.407
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, Trans Tech Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30079212

Document type: Conference Paper
Collections: Institute for Frontier Materials
GTP Research
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