On the deformation mechanisms and strain rate sensitivity of a metastable β Ti-Nb alloy

Zhan, Hongyi, Zeng, Weidong, Wang, Gui, Kent, Damon and Dargusch, Matthew (2015) On the deformation mechanisms and strain rate sensitivity of a metastable β Ti-Nb alloy. Scripta Materialia, 107 34-37. doi:10.1016/j.scriptamat.2015.05.014


Author Zhan, Hongyi
Zeng, Weidong
Wang, Gui
Kent, Damon
Dargusch, Matthew
Title On the deformation mechanisms and strain rate sensitivity of a metastable β Ti-Nb alloy
Journal name Scripta Materialia   Check publisher's open access policy
ISSN 1359-6462
1872-8456
Publication date 2015-10
Year available 2015
Sub-type Article (original research)
DOI 10.1016/j.scriptamat.2015.05.014
Open Access Status Not yet assessed
Volume 107
Start page 34
End page 37
Total pages 4
Place of publication Doetinchem, The Netherlands
Publisher Elsevier
Collection year 2016
Language eng
Formatted abstract
The Ti–25Nb–3Zr–3Mo–2Sn (wt.%) alloy deforms primarily by {3 3 2}〈1 1 3〉 twinning with limited {1 1 2}〈1 1 1〉 twinning and stress-induced phase transformations. For the Ti–25Nb–3Zr–3Mo–2Sn alloy, the yield stress and strain hardening rate are independent of strain rate. It is found that adiabatic heating induced by high strain rate deformations is insufficient to significantly modify the deformation modes. Also the twinning rate and morphologies of {3 3 2}〈1 1 3〉 twins are independent of strain rate (1 × 10−3–1 × 103 s−1) within the strain range in our experiments.
Keyword Metastable β titanium alloys
High strain rates
Stress induced martensitic transformation
Mechanical twinning
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2016 Collection
 
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