РОЗРАХУНОК НАПРУЖЕНО-ДЕФОРМОВАНОГО СТАНУ ПРИ ВИТЯГУВАННІ З ПОТОНШЕННЯМ ДВОШАРОВОГО МЕТАЛУ
Journal Title: Science Review - Year 2017, Vol 1, Issue 7
Abstract
This article presents a calculation of the stress-strain state of drawing with thinning perfectly plastic doublelayer metal. Based on the assumptions set up a theoretical model of the double-layer hood with a thinning of the material. The analysis of the basic parameters of the stress-strain state of the drawing process. Theoretically perfectly plastic metal obtained by the equation, taking into account the heterogeneity of the mechanical two-layer perform. The solution of this equation by iteration method allowed determining the final thickness of the layers after extraction. It is shown that the error in the calculation compared with experiment and numerical calculation does not exceed 10 %. The resulting model is also allowed to establish the distribution of the tensor components of stresses and strain rate in the outbreak strains, as well as the difference of radial velocities of movement of the layers under the assumption that the output of the workpiece relative displacement of the matrix is absent.
Authors and Affiliations
Р. С. Борис, О. В. Холявік, П. С. Вишневський
Keywords
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- EP ID EP407215
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