Abstract
The effect of hydrogen on temperature dependences of axial stresses σcr(T), shape memory effect, and superelasticity of \([\bar 111]\)-oriented Ti-50.7% Ni (at %) alloy single crystals has been studied under tensile strain in a single-phase state. It is established that the level of σcr(M s) and σcr(B2) stresses is determined by the state of hydrogen (in solid solution or titanium hydride particles) in the initial B2 phase. Superelasticity up to 2.0–2.5% occurs when hydrogen is present in the solid solution.
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Original Russian Text © I.V. Kireeva, Yu.I. Chumlyakov, Yu.N. Platonova, 2015, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2015, Vol. 41, No. 6, pp. 58–66.
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Kireeva, I.V., Chumlyakov, Y.I. & Platonova, Y.N. The effect of hydrogen on shape memory effect and superelasticity in single-phase nickel titanium single crystals. Tech. Phys. Lett. 41, 284–287 (2015). https://doi.org/10.1134/S1063785015030232
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DOI: https://doi.org/10.1134/S1063785015030232