Abstract
In this study, Friction Welding of Tube to tube-Plate using an External Tool (FWTPET) is carried out by joining SA213 tube and SA387 tube plate alloying materials using an external tungsten tool by close fit methods in absence of backing plate without hole on the circumference of the tube for superior mechanical and metallurgical properties. The optimization techniques such as Taguchi L9 and Analysis of Variance (ANOVA) is used to endorse the capital joint strength. The output parameter (TS) and input factors (tool rotational speed, tube projections, depth of cut) are designated for the study. The heat that produces from tool pin, dissipates to the tube and the tube plate during FWTPET process. The grain size measurement, x-ray diffraction (XRD) phase analysis, radiography test is carried out after FWTPET process. In this research work, FWTPET process is carried without hole on the circumference of the tube, further FWTPET process is also compared by without employing supporting arrangement. Excellent joint strength of 762.2 MPa is achieved with the absence of supporting specimen which without hole on the circumference of tube for the tool rotational speed of 1300rpm. Keywords: Friction welding, FWTPET, Analysis of Variance (ANOVA), Optimization techniques, Tensile strength
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