Simulation Analysis of Spreading Process and Electron Beam Melting of Ti6Al4V Powder

AbstractAbstractForming process control of powder bed fusion (PBF) additive manufacturing (AM) is the key to produce high-quality qualified parts. In this paper, spreading powder process and electron-beam melting (EBM) of Ti6Al4V powder were simulated based on simulation technology, and the state of powder bed powder and melting trajectory characteristics were characterized. Firstly, the particle size distribution of Ti6Al4V powder was tested, and the particle diameter of normal distribution for simulation was determined. Then, the simulation models of spreading powder and EBM model were established. Finally, based on the simulation results, the effect of processing parameters on the quality of powder laying is analyzed, and the morphology of EBM melting trajectory is characterized.Keywords: Ti6Al4V powderpowder bedspreading powderEBMmelting trajectory Additional informationFundingThis project was financially supported by Open Fund Project of Key Laboratory of Fujian Universities for New Energy Equipment Testing (Grant No. XNY202104) and Scientific Research Foundation Project of Tianjin Vocational Institute (20221101).