Additive manufacturing has gained enormous importance in recent years, as it offers great potential for the rapid production of geometrically complex components. Thus, customised and near-net shaped components can be produced, among other things for lightweight construction, and with the aim of saving material and weight.

A central area of research at the Foundry Institute is the linking of additive manufacturing and modern foundry technology. The focus here is on powder production, alloy development of materials for additive manufacturing, casting materials, innovative and hybrid materials, solidification, casting processes, bionics, production of additively manufactured models for the investment casting process and simulation.

Alloy development for AM processes is a major challenge, as the process-related rapid cooling rates place fundamentally different demands on alloys designed for AM than those for conventional manufacturing processes. As a result, AM-microstructures are characterised by non-equilibrium phases and precipitates which are different from conventionally produced microstructures. This gives rise to a wide range for research questions.

The constantly growing variety of AM processes generate enormous differences in the microstructure, so that individual findings are not directly transferable to each other. This leads to the necessity for developing and adapting alloys to AM processes, process parameters and the planned application.

Contact Person:

Raffeis, Iris Dr.-Ing.
Group Leader, Additive Manufacturing
Chair for Foundry Science 
Tel.: +49 (0) 241 80 - 40516
i.raffeis@gi.rwth-aachen.de