Hydrogen's effect on the shape memory effect of TiNi alloy single crystals
Hydrogen's effect on the shape memory effect (SME) of [117]-oriented Ti49.7-Ni50.3 (at.%) alloy single crystals, with a B2-B190 martensitic transformation (MT), was studied after being electrolytically hydrogenated at a current density of 1500 A/m2 for 3 h at room temperature under isobaric ten...
| Published in: | Metals Vol. 13, № 7. P. 1324 (1-14) |
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| Other Authors: | , , , |
| Format: | Article |
| Language: | English |
| Subjects: | |
| Online Access: | http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001132680 Перейти в каталог НБ ТГУ |
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| 245 | 1 | 0 | |a Hydrogen's effect on the shape memory effect of TiNi alloy single crystals |c I. V. Kireeva, Y. I. Chumlyakov, L. P. Yakovleva, A. V. Vyrodova |
| 336 | |a Текст | ||
| 337 | |a электронный | ||
| 504 | |a Библиогр.: 48 назв. | ||
| 520 | 3 | |a Hydrogen's effect on the shape memory effect (SME) of [117]-oriented Ti49.7-Ni50.3 (at.%) alloy single crystals, with a B2-B190 martensitic transformation (MT), was studied after being electrolytically hydrogenated at a current density of 1500 A/m2 for 3 h at room temperature under isobaric tensile deformation. It was shown that, under the used hydrogenation regime, hydrogen was in a solid solution and lowered the elastic modulus of B190 martensite. The hydrogen in a solid solution increased (i) the yield strength 0.1 of the initial B2 phase by 100 MPa at Md temperature, (ii) the 0.1 of the stress-induced B2-B190 MT by 25 MPa at Ms temperature, and (iii) the plasticity of B190 martensite relative to the hydrogen-free crystals. At the same level of external stresses, the SME in the hydrogenated crystals was greater than that in hydrogen-free crystals. At external tensile stresses ex = 200 MPa, the SME was 4.4 0.2% in the hydrogenated crystals and 1.8 0.2% without hydrogen. Hydrogen initiated a two-way SME of 0.5 0.2% at ex = 0 MPa, which was absent in the hydrogen-free crystals. The physical reasons leading to an increase in the SME upon hydrogenation are discussed. | |
| 653 | |a эффект памяти формы | ||
| 653 | |a водород | ||
| 653 | |a монокристаллы | ||
| 653 | |a TiNi сплавы | ||
| 653 | |a напряжение | ||
| 655 | 4 | |a статьи в журналах |9 956374 | |
| 700 | 1 | |a Kireeva, Irina V. |c физик |9 89594 | |
| 700 | 1 | |a Chumlyakov, Yuri I. |9 100866 | |
| 700 | 1 | |a Yakovleva, Liya P. |9 956375 | |
| 700 | 1 | |a Vyrodova, Anna V. |9 877230 | |
| 773 | 0 | |t Metals |d 2023 |g Vol. 13, № 7. P. 1324 (1-14) |x 2075-4701 | |
| 852 | 4 | |a RU-ToGU | |
| 856 | 4 | |u http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001132680 | |
| 856 | |y Перейти в каталог НБ ТГУ |u https://koha.lib.tsu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=1132680 | ||
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