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Abstract
Analysis of mechanical and corrosion properties of Ti-Zr alloy is made to assess their behavior in fission and fusion reactor structural elements. The dose and temperature dependences of tensile properties, oxidation, creep rupture curves, dependence of elongation on deformation rate and radiation swelling are discussed. Titanium alloy with 20% zirconium posesses a satisfactory collection of characteristics for operating conditions of structural elements of fusion reactor blanket and intravessel constructions of fission reactors: sufficiently high level of ductility at ultimate neutron fluences, high corrosion resistance, satisfactory nuclear properties, high level of creep rupture strength, Iow radiation swelling, possibility to protect alloy from the hydrogen saturation.