This thesis contributes to the fundamental understanding of material jetting of aluminium by analysing the correlations between thermal conditions, alloy composition and macroscopic part properties as well as microstructure formation. A prototypic printing machine, capable of printing small test parts, was developed and installed. Samples fabricated under a variation of process parameters and alloy compositions were analysed to determine microstructure, relative density and mechanical properties. Additionally, a novel method to simulate the temperature field developing throughout the printing process, was implemented and used to give insight into local thermal conditions during build-up.
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This thesis contributes to the fundamental understanding of material jetting of aluminium by analysing the correlations between thermal conditions, alloy composition and macroscopic part properties as well as microstructure formation. A prototypic printing machine, capable of printing small test parts, was developed and installed. Samples fabricated under a variation of process parameters and alloy compositions were analysed to determine microstructure, relative density and mechanical properties...
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