Behaviour of ductile low porous materials with strain hardening in Taylor experiment
Journal Title: Bulletin of the Military University of Technology - Year 2015, Vol 64, Issue 2
Abstract
The paper deals with an analytical solution of a one-dimensional boundary value problem, describing behaviour of a ductile porous cylindrical rod, both during and after Taylor direct impact experiment (Taylor DIDIE). The solution provides a simple theoretical basis for dynamical investigations of ductile porous material. The solution was based on a plastic-rigid rate-independent material with strain hardening. For ductile low porous materials with strain hardening, all parameters are presented by means of the closed analytical formulae. The paper presents also a new experimental method of determining distributions of density and longitudinal engineering compressive strain (LECS) in a porous ductile rod, plastically deformed by Taylor DIDIE.[b]Keywords[/b]: Dynamic plasticity, porous ductile material, strain hardening, Taylor impact experiment, deformed rod dynamic parameters
Authors and Affiliations
Edward Włodarczyk, Marcin Sarzyński
Keywords
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