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Transformation Pathway upon Heating of Metastable ? Titanium Alloy Ti-15Mo Investigated by Neutron Diffraction.

ABSTRACT: A transformation pathway during thermal treatment of metastable ? Ti-15Mo alloy was investigated by in situ neutron diffraction. The evolution of individual phases ? , ? , and ? was investigated during linear heating with two heating rates of 1.9 ? C / min and 5 ? C / min and during aging at 450 ? C . The results showed that with a sufficient heating rate (5 ? C / min in this case), the ? phase dissolves before the ? phase forms. On the other hand, for the slower heating rate of 1.9 ? C / min , a small temperature interval of the coexistence of the ? and ? phases was detected. Volume fractions and lattice parameters of all phases were also determined.

SUBMITTER: Zhanal P 

PROVIDER: S-EPMC6862573 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Transformation Pathway upon Heating of Metastable <i>β</i> Titanium Alloy Ti-15Mo Investigated by Neutron Diffraction.

Zháňal Pavel P   Harcuba Petr P   Stráský Josef J   Šmilauerová Jana J   Beran Přemysl P   Hansen Thomas C TC   Seiner Hanuš H   Janeček Miloš M  

Materials (Basel, Switzerland) 20191031 21

A transformation pathway during thermal treatment of metastable β Ti-15Mo alloy was investigated by in situ neutron diffraction. The evolution of individual phases α , β , and ω was investigated during linear heating with two heating rates of 1.9 ∘ C / min and 5 ∘ C / min and during aging at 450 ∘ C . The results showed that with a sufficient heating rate (5 ∘ C / min in this case), the ω phase dissolves before the α phase forms. On the other hand, for the slower heating rate of 1.9 ∘ C / min ,  ...[more]

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