Paper Title
Development Of Aluminum Automotive Body Parts Applied Refill Fssw Technology

Abstract
In this paper, we investigated the aluminum welding process of less than thickness of 1mm using Refill FSSW (Refill Friction Stir Spot Welding) technology.Anvil, a cooling channel designed to improve the performance of the tool, is developed. In addition, the optimal welding conditions were derived from the parameters of tool rotation speed, insertion depth, and stirring time.Based on the results, we developed Heat Protector. Keywords - Refill Friction Stir Spot Welding, Friction Spot Joining, Friction Stir Welding