Effect of hydrogen redistribution during aging on the structure and phase state of nanocrystalline and coarse-grained TiNi alloys

Anatoly Baturin, Aleksander Lotkov, Victor Grishkov, Ivan Rodionov, Victor Kudiiarov

Результат исследований: Материалы для журналаСтатья

6 Цитирования (Scopus)

Аннотация

The report presents research data showing how the phase state and transition temperatures in hydrogenated nanocrystalline and coarse-grained TiNi alloys are influenced by hydrogen redistribution on their aging at room temperature. The research methods include four-point measurements of resistivity as a function of temperature and differential scanning calorimetry at 173–373 K. The results demonstrate that hydrogen diffusion in the material bulk provides gradual suppression of B2→B19′ and R→B19′ transformations and that the temperature of B2→R transformation is hardy sensitive to hydrogen. Also presented is an analysis of the mechanism by which hydrogen acts on the temperatures and sequence of martensite transformations.

Язык оригиналаАнглийский
Страницы (с-по)359-363
Число страниц5
ЖурналJournal of Alloys and Compounds
Том751
DOI
СостояниеОпубликовано - 30 июн 2018

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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