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Published in: Journal of Materials Science 1/2018

05-09-2017 | Metals

Evolution of ω phase during heating of metastable β titanium alloy Ti–15Mo

Authors: Pavel Zháňal, Petr Harcuba, Michal Hájek, Bohumil Smola, Josef Stráský, Jana Šmilauerová, Jozef Veselý, Miloš Janeček

Published in: Journal of Materials Science | Issue 1/2018

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Abstract

Evolution of \(\omega \) phase during heating of metastable \(\beta \) titanium alloy Ti–15Mo was investigated in situ during heating by electrical resistance measurements and accompanied by transmission electron microscopy. Different heating rates were employed aiming to determine kinetics of occurring phase transformations. Sharp change of temperature dependence of electrical resistance caused by complete dissolution of \(\omega \) phase was observed at 560 \(^{\circ }\hbox {C}\) independently of heating rate. Majority of \(\omega _{\mathrm{iso}}\) particles revert back to \(\beta \) phase at 560 \(^{\circ }\hbox {C}\); therefore, they are not direct precursors of \(\alpha \) precipitation during continuous heating.

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Metadata
Title
Evolution of ω phase during heating of metastable β titanium alloy Ti–15Mo
Authors
Pavel Zháňal
Petr Harcuba
Michal Hájek
Bohumil Smola
Josef Stráský
Jana Šmilauerová
Jozef Veselý
Miloš Janeček
Publication date
05-09-2017
Publisher
Springer US
Published in
Journal of Materials Science / Issue 1/2018
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-017-1519-2

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