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Evolution of nanoporosity, Young's modulus and microplastic properties of nanostructured titanium VT1-0 under creep
Russian version
Narykova M. V. 1, Kardashev B. K. 1, Betekhtin V. I. 1, Kadomtsev A. G. 1
1Ioffe Institute, St. Petersburg, Russia
Email: Maria.Narykova@mail.ioffe.ru, b.kardashev@mail.ioffe.ru, vladimir.betekhtin@mail.ioffe.ru, andrej.kadomtsev@mail.ioffe.ru
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This study investigates the evolution of nanoporosity, Young's modulus, and microplastic properties of nanostructured (NS) titanium VT1-0 under creep. The NS titanium samples were fabricated using a combination of transverse screw rolling and longitudinal bar rolling with additional nitrogen cooling at the final stage of deformation. Variations in elastic and microplastic properties of NS titanium VT1-0 were examined for the first time in testing for tensile creep lifetime. The dependence of density reduction (nanopore formation) on the degree of deformation was determined. Keywords: ultrafine-grained titanium, nanostructured titanium, VT1-0, durability, Young's modulus, creep, nanopores.
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