Abstract
In this paper, the electrical discharge machining (EDM) is utilized to machine closed cell titanium foam using pure brass tool electrode. Discharge time, current and discharge voltage were taken as input factors. By varying these input factors discharge energy (E) alters. Hence, the effect of E on crater diameter is studied. A numerical simulation model using finite element analysis is developed to forecast the diameter of crater. Scanning electron microscope images were used to measure the experimentally formed crater. The crater diameter grows with the rise in E. The proposed numerical model is in good agreement with experimental results at low discharge energy and over predicts at higher discharge energy. The proposed model forecasts crater diameter with overall error of 5.57%.
Published Version
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