SimSolidAM · Simulation of metal Solidification in Additive Manufacturing processes

Simulation of metal Solidification in Additive Manufacturing processes

Additive Manufacturing (AM) is one of the most innovative and advanced process of our time. AM allow to produce parts with complex shape using just a simple 3D sketch. The part can be obtained very quickly without passing trough different manufacturing processes and avoiding most of the geometrical limitation imposed by traditional processes. However, in particular for metal alloy, AM processes are still far to be directly employable by society without the help of specialized designers and metallurgical engineers. In fact, microstructures and mechanical properties of AM parts depend not only on standard process parameters but also on the particular shape and size of the parts. Depending on these characteristics, heat accumulation through successive depositions can affect cooling rates or even raise the average temperature at the level of standard heat treatments. These thermal behaviours have a strong influence on the microstructural transformations, and then on the final mechanical properties of the AM parts. The project is aimed to the enhancement of numerical simulation tools for the Additive Manufacturing process, focusing on analysis of temperature evolution and microstructural transformations of material during the Metal Deposition process. The final objective is to develop an innovative, useful and quick simulation tool for the optimization of the AM process and the improvement of AM parts quality The specific objectives are: - Development of the software framework for the numerical simulation of MD processes. - Implementation and calibration of models for thermal simulation of MD processes. - Definition and implementation of microstructural models for MD process. - Interdisciplinary research training, skill acquisition and career development of the fellow

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