On 12th November 2014 members of AMAP visited the Welding and Joining Institute (ISF) of the RWTH Aachen. Under the guidance of Mr. Christoph Geffers the group got an insight of the institute and the technical center. After introducing the institute, a few examples of welding and joining of composite materials with aluminum were discussed. Following to the introduction different welding techniques were explained in the technical center. Concluding, the excursion ended with a demonstration of two examples of Friction Stir Welding and Gas Metal Arc Welding.