Microstructure and Mechanical Properties of Nanostructured and Ultrafine-Grained Titanium and the Zirconium Formed by the Method of Severe Plastic Deformation. - Sharkeev, Yu.; Eroshenko, A.; Danilov, V.; Tolmachev, A.; Uvarkin, P.; Abzaev, Yu. (Russian Physics Journal, 2014)