Abstract
In Electromagnetic Welding process, the electromagnetic parameters govern the welding process. The collision velocity is the crucial parameter that decides the quality o f the weld joint. The EMW process is comparatively less effici ent for low electrical conductivity metals. However, the efficienc y of the process can be improved by using high electrical conductivity metals, such as copper, aluminum (named as 'drivers') which are placed adjacent to the job piece. In this paper, the perfo rmance of different driver materials is analyzed. This exercise is important from the point of view of minimization of input energy. The computation of the collision velocity is carried out by commercial software's. The results are verified with experim ental observations. The job pieces chosen are flat strips of alumin um, copper and S.S. Needless to say, the conclusions drawn are applicable to any other geometry. Since the EM forming process precedes the EMW process, the conclusions are also applicable in the case of the former process.
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