Abstract
Friction welding is a solid-state process where two similar or dissimilar materials are joined due to mechanical friction and lateral force. Friction welding such as friction force, friction duration, and upset force play significant role differently for different materials and eventually determine the weld strength. Finding optimal parameters is of main concern for many researchers in the field. The purpose of this research is to determine the most effective process parameters and to establish empirical relationships among them. Experiments were conducted to join three pairs of materials namely stainless steel-stainless steel, mild steel-mild steel, and stainless steel- mild steel. Then tensile strength was measured for all friction welded pairs. These experimental studies showed that rotational speeds are the most important parameter and mild steel-mild steel friction welding is having highest tensile strength of 343 MPa compared to other samples. In addition, use of lathe machine for the purpose of friction welding is found to be effective for laboratory based experimental studies.
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