Issue 42

T.V. Tetyakova et alii, Frattura ed Integrità Strutturale, 42 (2017) 303-314; DOI: 10.3221/IGF-ESIS.42.32 314 ε strain 0 ε  strain rate ε yy longitudinal strain ε yy  rate of the local longitudinal deformation (along the Y-axis) ε h value of the longitudinal strain achieved after the strain band propagation y coordinate of a point (along a specimen) 0 b specimen width 0 l gauge length of a specimen 0 h specimen thickness с b width of the additional deformable part of a specimen (the control part) с l length of the additional deformable part of a specimen (the control part) B total width of the specimen with complicated geometry a width of peripheral parts of a specimen R radius of a hole 0 u  rate of the crosshead movement b v rate of the strain band propagation b k coefficient of the strain inhomogeneity due to the Chernov-Lüder’s behavior LS R stiffness of a loading system M R stiffness of a testing machine с R stiffness of the additional deformable part of a specimen (the control part) E elasticity modulus