The influence of hydrogen on the mechanical and functional properties of TiNi and TiNiFe single crystals Y. N. Platonova, I. V. Kireeva, Y. I. Chumlyakov
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ArticleSubject(s): водород | память формы | сплавы | механические свойства | сверхэластичность | никелид титана | мартенситные превращенияGenre/Form: статьи в журналах Online resources: Click here to access online
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IOP Conference Series: Materials Science and Engineering Vol. 93. P. 012043 (1-6)Abstract: The effect of hydrogen on temperature dependence of critical stress σcr(T), the shape memory effect and superelasticity for [11]-oriented single crystals of Ti-50.7Ni (at.%) and [23]-oriented single crystals of Ti-49%Ni-1%Fe (at.%) alloys at tensile deformation has been studied. It was shown that the change of temperatures of the martensitic transformation, symmetry of thermal hysteresis and level of σcr(Ms) and σcr(B2) stresses are determined by the phase state of the material (martensite or austenite) in the process of hydrogenation.
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The effect of hydrogen on temperature dependence of critical stress σcr(T), the shape memory effect and superelasticity for [11]-oriented single crystals of Ti-50.7Ni (at.%) and [23]-oriented single crystals of Ti-49%Ni-1%Fe (at.%) alloys at tensile deformation has been studied. It was shown that the change of temperatures of the martensitic transformation, symmetry of thermal hysteresis and level of σcr(Ms) and σcr(B2) stresses are determined by the phase state of the material (martensite or austenite) in the process of hydrogenation.
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