Baroelastic shape memory effects in titanium nickelide alloys subjected to plastic deformation under high pressure |
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Authors: | V G Pushin N N Kuranova N I Kourov R Z Valiev E Z Valiev V V Makarov A V Pushin A N Uksusnikov |
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Institution: | 1. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, ul. Kovalevskoi 18, Yekaterinburg, 620990, Russia 2. Ufa State Aviation Technical University, ul. K. Marksa 12, Ufa, 450000, Bashkortostan, Russia
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Abstract: | The effects of a high pressure and torsional plastic deformation in Bridgman anvils on the structure and phase transformations in titanium nickelide-based shape memory alloys are studied by electron microscopy, neutron diffraction, and X-ray diffraction. The physical properties of the alloys are measured. It is found that the baroelastic effects related to the highly reversible B2 ? B19?? martensitic transformation can occur in metastable austenitic titanium nickelide alloys in both the standard polycrystalline and nanocrystalline states under high pressure. |
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