Finite element analysis of temperature distribution in single metallic powder layer during metal laser sintering

By R. Patil, Vinod Yadava. 2007

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Measurement Science Needs for Real-time Control of Additive Manufacturing Powder Bed Fusion Processes (2015, background): “other empirical or analytical sub-models are also used for temperature, phase, or powder densitydependent thermal conductivity and specific heat [119], [121]–[125].”
Simulation of metallic powder bed additive manufacturing processes with the finite element method: A critical review (2017, background): “It has been reported that the center of the melt pool is slightly displaced backward from the laser scanning direction.(42,46,75) This displacement can increase as the beam power increases.”
Investigations on residual stresses and deformations in selective laser melting (2010, background): “applied at the top of the solidified layer [29, 32 ].”
Numerical modelling and experimental validation in Selective Laser Melting (2017, methodology): “In this sense, thermal modelling, apart from being an input for the mechanical analysis, is fundamental to characterise the melt pool and the microstructure in an AM process [20, 25, 33, 41] and also guides the selection of the printing process parameters in engineering design [26, 32, 44].”
Finite element simulation of the temperature and stress fields in single layers built without-support in selective laser melting (2013, methodology): “A 2D non-linear heat transfer with volume internal heat source problem is numerically solved based on the coupling of Matlab and ANSYS FEM models [6].”