Peculiarities of strain and resistivity variations in TiNi

Результат исследований: Научные публикации в периодических изданияхстатья

2 Цитирования (Scopus)

Аннотация

Simultaneous measurements of electrical resistivity and inelastic strain accumulation in Ti 49.5 at.% Ni undergoing a two-step B2 → R → B19′ martensitic transformation were performed. To exclude the influence of specimen size changes during the deformation all experiments were made in torsion. It was detected that noticeable part of strain recovery after heating under a stress and active deformation in martensitic state takes place before the start of the reverse transformation and is obviously connected with twinning. At the same time the two-way shape memory effects are caused by the martensitic transformation. The obtained data may be useful for adequate modelling of mechanical properties of the shape memory alloys because allow to connect the macroscopic parameters with microscopic physical processes.

Язык оригиналаанглийский
Страницы (с-по)77-80
Число страниц4
ЖурналComputational Materials Science
Том19
Номер выпуска1-4
СостояниеОпубликовано - 15 дек 2000

Предметные области Scopus

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