Compressive deformation behavior of a near-beta titanium alloy

Song, Wei Qian, Sun, Shoujin, Zhu, Suming, Wang, Gui, Wang, James and Dargusch, Matthew S. (2012) Compressive deformation behavior of a near-beta titanium alloy. Materials and Design, 34 739-745. doi:10.1016/j.matdes.2011.06.049

Author Song, Wei Qian
Sun, Shoujin
Zhu, Suming
Wang, Gui
Wang, James
Dargusch, Matthew S.
Title Compressive deformation behavior of a near-beta titanium alloy
Journal name Materials and Design   Check publisher's open access policy
ISSN 0264-1275
Publication date 2012-02
Year available 2011
Sub-type Article (original research)
DOI 10.1016/j.matdes.2011.06.049
Volume 34
Start page 739
End page 745
Total pages 7
Place of publication Oxford, United Kingdom
Publisher Elsevier
Collection year 2012
Language eng
Formatted abstract
This paper documents an investigation into the compressive deformation behavior of a solution treated near β titanium alloy. The mechanical testing was carried out at strain rates of 10−3 S−1 and 103 S−1 by a numerically controlled hydraulic MTS machine and a Split Hopkinson Pressure Bar test system, respectively. The results show that the work hardening characteristics of the titanium alloy were not significantly influenced by strain rate. Further, the flow stress followed a similar trend in both the low and high strain rate tests because of the formation of a martensitic α″ phase. The flow stress at high strain rate (103 S−1) was slightly lower than that in the quasi-static condition (10−3 S−1). The hardness in the β phase was higher than that in the martensitic α″ phase. Also, the lowest hardness was located in the adiabatic shear bands (ASBs) which were associated with high strain rate deformation. Electron Backscatter Diffraction (EBSD) mapping confirmed the presence of the α″ phase in deformed specimens at both strain rates. The fracture characteristics were observed using scanning electron microscopy (SEM).
Keyword Beta titanium
Alloy strain rate
Shear band
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 2 July 2011.

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2012 Collection
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 10 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 14 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Tue, 20 Sep 2011, 13:19:27 EST by Dr Gui Wang on behalf of School of Mechanical and Mining Engineering