| In this work, three-dimensional transient temperature distribution occurring during the friction welding process of two cylindrical bars is investigated. A finite difference scheme is used to solve the governing heat-conduction equations for the two bars. The algorithm developed can be used for friction welding of similar as well as for dissimilar material combinations. The effect of variation of jet velocity and angular speed on the temperature is studied. Transient temperature profiles are obtained in axial, radial and circumferential directions for steel-steel, steel-copper and steel-aluminum combinations. The temperature gradients within the two bars increase with the increase in jet velocity and the duration of welding cycle reduces with increase in angular speed. To validate the results obtained a comparison is made with previous numerical studies. |
