Patent ID: 9511445
Filing Date: 2016-12-06
CPC Classification: B23K,B33Y

Claim Text:
1. An additive friction stir method for joining substrates, the method comprising: providing first and second substrates to be joined; providing a forming plate comprising one or more forming cavities; placing one or both of the first and second substrates in communication with the forming plate; placing the first substrate and the second substrate facing one another; rotating and translating an additive friction-stir tool relative to a first face of one or both of the first and second substrates, which additive friction-stir tool comprises a throat with an opening for dispensing filler material; feeding a filler material through the throat of the additive friction-stir tool and dispensing the filler material through the throat opening; deforming the filler material and the first and second substrates; and extruding one or more of the filler material and the first and second substrates into one or more of the forming cavities of the forming plate; wherein during the rotating, translating, and extruding the opening of the throat of the additive friction-stir tool does not penetrate the first face of the first or second substrates.