Browsing by Subject "Macroscopic"

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    Analyzing the DMLS Process by a Macroscopic FE-Model
    (2002) Niebling, F.; Otto, A.; Geiger, M.
    The presented macroscopic FE-model allows to analyze the thermal fields and the resulting stress built up during Selective Laser Sintering. Process and material parameters are focused on Direct Metal Laser Sintering (DMLS). The FE-model is introduced and the assumptions for the model are given. Three different geometric models are discussed. The 3Dmodel shows the sintering of a single line, whereas 2D-models are used for longitudinal and crosscuts of the sintering process. Aim of the investigation is a more basic knowledge about the process, which will lead to a stabilization and optimization of the process.