Superelasticity and shape memory effect after warm abc-pressing of TiNi-based alloy

Aleksander Lotkov, Victor Grishkov, Dorzhima Zhapova, Victor Timkin, Anatoly Baturin, Oleg Kashin

Отделение экспериментальной физики

Результат исследований: Материалы для журнала › Статья › рецензирование

Аннотация

The aim of work is to study the effect of microstructure transformation from coarse-grained to submicrocrystalline structure in samples during warm isothermal (723K) abc-pressing on inelastic properties of Ti_49.8Ni_50.2(at.%) alloys. Experimental dependences of superelasticity (SE), shape memory effect (SME), the total recovered inelastic strain (SE+SME) and plastic strain versus the total shear pre-strain under torsion was obtained. It is shown that the total inelastic strain are 18% in the initial specimens, 15.8% in specimens after abc-pressing with the true strain 0.62 and monotonically increases up to 18.3% while true strain increases up to 8.44.

Язык оригинала	Английский
Страницы (с-по)	4814-4818
Число страниц	5
Журнал	Materials Today: Proceedings
Том	4
Номер выпуска	3
DOI	https://doi.org/10.1016/j.matpr.2017.04.076
Состояние	Опубликовано - 2017

ASJC Scopus subject areas

Materials Science(all)

Доступ к документу

10.1016/j.matpr.2017.04.076

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Superelasticity and shape memory effect after warm abc-pressing of TiNi-based alloy. / Lotkov, Aleksander; Grishkov, Victor; Zhapova, Dorzhima; Timkin, Victor; Baturin, Anatoly; Kashin, Oleg.

В: Materials Today: Proceedings, Том 4, № 3, 2017, стр. 4814-4818.

Результат исследований: Материалы для журнала › Статья › рецензирование

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AU - Lotkov, Aleksander

AU - Grishkov, Victor

AU - Zhapova, Dorzhima

AU - Timkin, Victor

AU - Baturin, Anatoly

AU - Kashin, Oleg

PY - 2017

Y1 - 2017

N2 - The aim of work is to study the effect of microstructure transformation from coarse-grained to submicrocrystalline structure in samples during warm isothermal (723K) abc-pressing on inelastic properties of Ti49.8Ni50.2(at.%) alloys. Experimental dependences of superelasticity (SE), shape memory effect (SME), the total recovered inelastic strain (SE+SME) and plastic strain versus the total shear pre-strain under torsion was obtained. It is shown that the total inelastic strain are 18% in the initial specimens, 15.8% in specimens after abc-pressing with the true strain 0.62 and monotonically increases up to 18.3% while true strain increases up to 8.44.

AB - The aim of work is to study the effect of microstructure transformation from coarse-grained to submicrocrystalline structure in samples during warm isothermal (723K) abc-pressing on inelastic properties of Ti49.8Ni50.2(at.%) alloys. Experimental dependences of superelasticity (SE), shape memory effect (SME), the total recovered inelastic strain (SE+SME) and plastic strain versus the total shear pre-strain under torsion was obtained. It is shown that the total inelastic strain are 18% in the initial specimens, 15.8% in specimens after abc-pressing with the true strain 0.62 and monotonically increases up to 18.3% while true strain increases up to 8.44.

KW - abc-pressing

KW - Shape memory effect

KW - Superelasticity

KW - TiNi

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