Strain hardening of carbon steel during wire drawing

Abstract

The Avitzur's limit analysis for the calculation of the drawing force in a wire drawing process is used to study the real behaviour of a carbon steel in an industrial case. The linear hardening assumption, used by Avitzur only for the first step, is extended to the whole process and tested against experimental data. The result shows that the predictions resulting from this extension are in good agreement with the experimental results and are, as rule, conservative.