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Tool Material Degradation Due To Friction Stir Welding Of Aluminum Alloys, Corbin T. Collier
Tool Material Degradation Due To Friction Stir Welding Of Aluminum Alloys, Corbin T. Collier
Theses and Dissertations
The purpose of this study is to investigate the friction stir welding (FSW) tool material degradation factors due variation in tool material properties and the effect of an aluminum diffusion wear mechanism on three different FSW tool material when exposed to various welding temperatures and times. The degradation factors are essential to FSW tool design due to the effect of the tool pin and shoulders on the heat generation and material flow which directly correlated to the weld quality created during the FSW process. For this investigation the three materials used are H13, TSP1, and MP159. To determine degradation factors …