Problems of Deformation and Fracture in Materials and Structures : Selected, peer reviewed papers from the All-Russian Conference on Problems of Deformation and Fracture in Materia... by All-Russian Conference on Problems of Deformation and Fracture in Materials and Structures (17-19 June, 2015 : Perm, Russia), Matveenko, V. P., editor, Tashkinov, A. A., editor, Chinakhov, D. A., editor