Transcription of Modelling Powder Bed Additive Manufacturing Defects
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Modelling Powder Bed Additive Manufacturing Defects
DOI: 7th european conference for aeronautics and space sciences (eucass). Modelling Powder Bed Additive Manufacturing Defects Mindt, O. Desmaison and M. Megahed ESI Group Parc D'affaires Silic, 99 Rue Des Solets, 94513 Rungis Cedex, France Abstract The qualification of Powder bed fusion processes is based on lengthy and expensive experimental trial and error. If models can be applied to predict process details and determine the probability of Manufacturing Defects , the qualification process could be accelerated and cost can be reduced significantly. This paper describes numerical results resolving Powder bed fusion processes and Defects that could potentially happen during Manufacturing . A. multi-physics and multiscale Modelling platform is first introduced in section 1 before proceeding to present numerical results of several Defects that have been observed experimentally.
Mindt, Desmaison and Megahed 6 Von Mises residual stresses and the vertical displacement distribu tions calculated after the removal of the workpiece
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