Mathematical Modelling And Numerical Simulation Of Non-linear Deformation Of The Asperity In The Burnishing Cold Rolling Operation
Author(s)
L. Kukiełka
Abstract
Mathematical modelling and numerical
simulation of non-linear deformation of the
asperity in the burnishing cold rolling
operation
L. Kukie&a
Technical University ofKoszalin, Poland
Abstract
In the paper the mathematical modelling and numerical simulation of non-
linear deformation of the asperities in the burnishing cold rolling operation is
presented. A basic assumption in the model formulation is that the usual small
increment strain tensor can be expressed as a sum of elasto and viscoplastic
increment strains. The numerical examples of simulation are given. The dis-
placement formulation of the finite element method, physical and geometrical
non-linearity in the updated Lagrange formulation are assumed in numerical
computation. The asperity angles are 9=15°, 45° and 60°.
1 Introduction
Usually, burnishing rolling is a cold process with no preheating of the elements
and with rigid or elastic pressure of the burnished element onto object (fig. 1).
The heating of parts can be real
Keywords
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