Flash Welding of Microcomposite Wires for Pulsed Power Applications

Abstract

This paper presents the experimental results of Cu-Nb wire joining upon applying flash welding technology. The present research is aimed at investigating the structure, electrical and mechanical properties of butt welding joints of Cu-Nb conductors, usable for coils of pulsed magnetic systems. The butt joint structure was found to be free of welding defects. The structure of the butt welded joint provides an insignificant increase in electrical resistance and sufficient ultimate strength and plasticity of the joint. The tensile strength of the welded sample reaches 630 MPa.

Keywords

• Cu-Nb microcomposites
• resistance welding
• flash welding
• welded joints
• electric cable
• electrical contact connection