Formation of a SMC Structure Upon Warm Isothermal Deformation and its Influence on Martensitic Transformations in Titanium–Nickelide Based Alloys

A. I. Lotkov, V. N. Grishkov, O. A. Kashin, A. A. Baturin, V. N. Timkin, D. Y. Zhapova

Результат исследований: Материалы для журналаСтатья

1 Цитирования (Scopus)

Аннотация

The evolution of the microstructure and the change in the martensitic transformation temperatures of the Ti49.2Ni50.8 (at.%) alloy with increase of the magnitude of deformation upon isothermal rolling in channel rollers (T = 723 K) have been investigated. It is found that the grain size grows in the initial stages of deformation. It has been shown that for е > 0.2 a change in the grain structure takes place over the entire bulk of the specimen via the mechanism of continuous dynamic recrystallization. It has been established that up to a deformation of е ~ 0.2 the martensitic transformation temperatures vary nonmonotonically and remain practically constant thereafter, which is explained by the occurrence of processes of dynamic recrystallization.

Язык оригиналаАнглийский
ЖурналRussian Physics Journal
DOI
СостояниеПринято/в печати - 22 окт 2015

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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