Abstract
Cold drawing of bimetallic wires is an efficient technology for fabrication of filamentary composite materials. In the present paper an analytical approach to the plastic flow of a two-component mono-filamentary wire through a converging conical die is proposed. Developed solution is based on a number of simplified assumptions concerning the radial flow pattern, the perfectly plastic materials’ behavior, and the perfect bonding conditions between the components. The stress and the strain-rate fields are determined. Obtained results for the drawing stress show a good agreement with available experimental data. Examination of the interfacial stresses localized at the boundary between the components allows to identify the range of the input parameters in which the pure radial flow can exist.
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