Abstract
AbstractThe Friction Stir Welding (FSW) process is a solid-state joining process that is extensively used to join the materials like aluminum, steel, copper and titanium. The FSW of material having high melting point involves a lot of challenges due to the excessive heat generation during the welding. Due to the heat generation, the life of the welding tool and the parts of the welding machine tool is affected. In the present investigation, experimental and simulation study on FSW process has been attempted and study on heat generation during the FSW process has also been studied. The different configuration of welding tool has been selected and its effect on the heat generation on spindle, tool holder and tool has been explored. The tools having geometrical features and coating are selected in the present investigation. It has been found that the geometrical features incorporated on the welding tool result in significant heat transfer to the atmosphere. To reduce the excessive heat during the welding tool diameter can also be reduced. The thermal barrier coating applied between tool shank and the spindle yielded adequate insulation between tool and the spindle.KeywordsFriction stir weldingSimulation studyFinite element analysisThermal efficiencyConventional tool
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