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

Smith, D; Joris, OPJ; Sankaran, A; Weekes, HE; Bull, DJ; Prior, TJ; Dye, D; Errandonea, D; Proctor, JE

Authors

D Smith

OPJ Joris

A Sankaran

HE Weekes

DJ Bull

TJ Prior

D Dye

D Errandonea



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 40GPa, well into the ω phase region in the P–T diagram of pure titanium. Gum metal was pressurised above 70GPa 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 ± 3GPa (Ti2448) to 124 ± 6GPa (Ti–16.8Mo–0.13O).

Citation

and elastic properties of β-titanium alloys. Journal of Physics: Condensed Matter, 29(15), 155401-155401. https://doi.org/10.1088/1361-648X/aa60b6

Journal Article Type Article
Acceptance Date Feb 15, 2017
Publication Date Mar 7, 2017
Deposit Date Mar 13, 2017
Publicly Available Date Mar 7, 2018
Journal Journal of Physics: Condensed Matter
Print ISSN 0953-8984
Electronic ISSN 1361-648X
Publisher IOP Publishing
Volume 29
Issue 15
Pages 155401-155401
DOI https://doi.org/10.1088/1361-648X/aa60b6
Publisher URL https://doi.org/10.1088/1361-648X/aa60b6
Related Public URLs http://iopscience.iop.org/journal/0953-8984
Additional Information Funders : Engineering and Physical Sciences Research Council (EPSRC)
Projects : On the high-pressure phase stability and elastic properties of β-titanium alloys

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