In Fig. 3 the microstructure of samples heated for 20 min can be seen. This figure shows the nano-scale size of TiC synthesized crystals which are adequate to the computational results. Also considering the XRD patterns and the chemical analysis of input materials the amounts of synthesized TiC after 15 and 20 min heating were 21.87 and 23.89 wt.% respectively (Cullity, 1978). Other phases like iron oxide and titanium oxide which existed during the melting are gathered in the slag phase and moved out from the system.