Effect of the surface oxide layer on shape memory effect and superelasticity of [011]-oriented Ti-50.1Ni single crystals
Effect of the surface oxide layer on the shape memory effect (SME) and superelasticity (SE) after marforming (deformation in the martensitic state, followed by annealing at 713 K for 0.5 h in an inert helium gas and in dry air) was investigated on Ti-50.1Ni (at.%) single crystals, oriented along [01...
| Published in: | Metals Vol. 12, № 11. P. 1932 (1-13) |
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| Other Authors: | , , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001016462 Перейти в каталог НБ ТГУ |
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| 245 | 1 | 0 | |a Effect of the surface oxide layer on shape memory effect and superelasticity of [011]-oriented Ti-50.1Ni single crystals |c Y. I. Chumlyakov, I. V. Kireeva, A. A. Saraeva [et al.] |
| 336 | |a Текст | ||
| 337 | |a электронный | ||
| 504 | |a Библиогр.: 25 назв. | ||
| 520 | 3 | |a Effect of the surface oxide layer on the shape memory effect (SME) and superelasticity (SE) after marforming (deformation in the martensitic state, followed by annealing at 713 K for 0.5 h in an inert helium gas and in dry air) was investigated on Ti-50.1Ni (at.%) single crystals, oriented along [011]-direction, under compression. Quenched [011]-oriented crystals of the Ti-50.1Ni alloy experience a one-stage B2-B190 martensitic transformation (MT) without SE under compression. Marforming leads to a two-stage B2-R-B190 MT and creates conditions for SE. A thin TiO2 oxide layer of 170 nm thick was formed on the sample surface upon annealing at 713 K for 0.5 h in dry air. In [011]-oriented crystals without and with an oxide layer, maximum of the SE value reached 4%, and the SME was 2.4 and 2.6%, respectively. Appearance of an oxide layer upon annealing in dry air: (i) reduces the stresses of B2-phase by 50 MPa from Md to 473 K; (ii) decreases Q = ds/d# from 6.5 GPa in crystals without an oxide layer to 2.0 GPa with an oxide layer and (iii) does not affect the SME and SE values. | |
| 653 | |a сверхэластичность | ||
| 653 | |a эффект памяти формы | ||
| 653 | |a сжатие | ||
| 653 | |a поверхностный оксидный слой | ||
| 653 | |a монокристаллы | ||
| 655 | 4 | |a статьи в журналах |9 917277 | |
| 700 | 1 | |a Chumlyakov, Yuri I. |9 100866 | |
| 700 | 1 | |a Kireeva, Irina V. |c физик |9 89594 | |
| 700 | 1 | |a Saraeva, Anastasia A. |9 877232 | |
| 700 | 1 | |a Pobedennaya, Zinaida V. |9 852035 | |
| 700 | 1 | |a Vyrodova, Anna V. |9 877230 | |
| 773 | 0 | |t Metals |d 2022 |g Vol. 12, № 11. P. 1932 (1-13) |x 2075-4701 | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 4 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001016462 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=1016462 | ||
| 908 | |a статья | ||
| 039 | |z 27436 |b 100 | ||
| 999 | |c 1016462 |d 1016462 | ||