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Thermomechanical processing of Ti–5Al–5Mo–5V–3Cr
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Jones, N. G., Dashwood, R. J., Dye, D. and Jackson, M. (2008) Thermomechanical processing of Ti–5Al–5Mo–5V–3Cr. Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing, Vol.490 (No.1-2). pp. 369-377. doi:10.1016/j.msea.2008.01.055 ISSN 0921-5093.
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Official URL: http://dx.doi.org/10.1016/j.msea.2008.01.055
Abstract
The constitutive behaviour and microstructural evolution of the near-β alloy Ti–5Al–5Mo–5V–3Cr in the α + β condition has been characterised during isothermal subtransus forging at a range of temperatures and strain rates. The results indicate that Ti–5Al–5Mo–5V–3Cr has a shallower approach curve, and therefore, offers a more controllable microstructure than the near-β alloy Ti–10V–2Fe–3Al. Flow softening is small in magnitude in both alloys in the α + β condition. The steady state flow stresses obey a Norton–Hoff constitutive law with an activation energy of Q = 183 kJ mol−1, which is similar to the activation energy for self-diffusion in the β phase, suggesting deformation is dominated by dynamic recovery in the β matrix. Good evidence is found for the existence of ω phase after both air cooling and water quenching from above the β transus. In addition, dissolution of the α phase is found to be slow at near-transus temperatures.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TN Mining engineering. Metallurgy |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing | ||||
Publisher: | Elsevier SA | ||||
ISSN: | 0921-5093 | ||||
Official Date: | 15 August 2008 | ||||
Dates: |
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Volume: | Vol.490 | ||||
Number: | No.1-2 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 369-377 | ||||
DOI: | 10.1016/j.msea.2008.01.055 | ||||
Status: | Peer Reviewed | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||
Grant number: | ET/T26344/01 (EPSRC) |
Data sourced from Thomson Reuters' Web of Knowledge
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