EPJ Web of Conferences
Volume 94, 2015DYMAT 2015 - 11th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|Number of page(s)||4|
|Published online||07 September 2015|
Experimental and calculated approach to the study of deformation and strength characteristics of elastoviscoplastic materials by direct impact method
1 Research Institute of Mechanics Lobachevsky State University of Nizhni Novgorod, Pr. Gagarina 23, 603950 Nizhni Novgorod, Russia
2 Lobachevsky State University of Nizhni Novgorod, Pr. Gagarina 23, 603950 Nizhni Novgorod, Russia
a Corresponding author: firstname.lastname@example.org
Published online: 7 September 2015
It is proposed to develop experimental and calculated approach to the study of the strength characteristics of elastoviscoplastic materials in a non-uniform strain-stress state. Integral characteristics (forces, displacements and displacement speed) of the deformation process of hat-shaped specimens in tension are determined by a direct impact method, and their strain – stress states are determined by numerical solution of the axisymmetric problem. The results of experimental and theoretical study of the deformation and failure of hat-shaped specimens in the presence of stress concentrators are obtained.
© Owned by the authors, published by EDP Sciences, 2015
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