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On the high-pressure phase stability and elastic properties of β-titanium alloys

Joris, O P J; Smith, D; Sankaran, A; Weekes, H E; Bull, D J; Dye, D; Errandonea, D; Smith, Dean; Joris, Oliver P. J.; Sankaran, Ananthi; Weekes, Hannah E.; Bull, Dan J.; Prior, T J; Dye, David; Errandonea, Daniel; Proctor, J E

Authors

O P J Joris

D Smith

A Sankaran

H E Weekes

D J Bull

D Dye

D Errandonea

Dean Smith

Oliver P. J. Joris

Ananthi Sankaran

Hannah E. Weekes

Dan J. Bull

David Dye

Daniel Errandonea

J E Proctor



Abstract

We have studied the compressibility and stability of different β-titanium alloys at high pressure, including binary Ti-Mo, Ti-24Nb-4Zr-8Sn (Ti2448) and Ti-36Nb-2Ta-0.3O (gum metal). We observed stability of the β phase in these alloys to 40 GPa, well into the ω phase region in the P-T diagram of pure titanium. Gum metal was pressurised above 70 GPa and forms a phase with a crystal structure similar to the η phase of pure Ti. The bulk moduli determined for the different alloys range from 97 ± 3 GPa (Ti2448) to 124 ± 6 GPa (Ti-16.8Mo-0.13O).

Citation

Smith, D., Joris, O. P. J., Sankaran, A., Weekes, H. E., Bull, D. J., Dye, D., …Proctor, J. E. (2017). On the high-pressure phase stability and elastic properties of β-titanium alloys. Journal of physics. an Institute of Physics journal. Condensed matter, 29(15), 155401. https://doi.org/10.1088/1361-648x/aa60b6

Acceptance Date Feb 15, 2017
Online Publication Date Mar 7, 2017
Publication Date Apr 20, 2017
Deposit Date May 3, 2017
Publicly Available Date Mar 14, 2018
Journal Journal of physics : condensed matter
Print ISSN 0953-8984
Electronic ISSN 1361-648X
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 29
Issue 15
Article Number ARTN 155401
Pages 155401
DOI https://doi.org/10.1088/1361-648x/aa60b6
Keywords Titanium; Titanium alloys; Biomaterials; Phase stability; Diamond anvil cell
Public URL https://hull-repository.worktribe.com/output/451001
Publisher URL http://iopscience.iop.org/article/10.1088/1361-648X/aa60b6
Copyright Statement ©2018 University of Hull
Additional Information Journal title: Journal of Physics: Condensed Matter; Article type: paper; Article title: On the high-pressure phase stability and elastic properties ofβ-titanium alloys; Copyright information: © 2017 IOP Publishing Ltd; Date received: 2016-11-22; Date accepted: 2017-02-15; Online publication date: 2017-03-07

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