Abstract
The objective of this work is to carry out a thermal heat transfer study to acquire the time dependent temperature field in welding process of FS-Welded dissimilar materials with vary in preheat temperature. Joints were made with four mm thick Aluminum and Steel plates. Parameters selected for current study was temperature (100 °C, 150 °C and 200 °C), rotational speed (1000, 1400, and 1800) rpm and traverse speed (16, 20, and 24) mm/min. In numerical model, welded plate was modeled as the weld line is the symmetric line. The work-piece has dimensions of 100x100x4 mm. The obtained result was compared with experimental result, which shows good agreement and within the acceptable limit. The peak temperature at the weld zone increases significantly with respect to increase in process time.
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