Laser powder bed fusion (L-PBF) involves the coupling of multiple physical fields at different
scales. Capturing the dynamic flow and thermal behavior of the melt pool during the L-PBF …

Additive manufacturing processes have been attracting extensive attention and develo**
greatly in recent years. These processes have been widely studied by industrial and …

As an additive manufacturing (AM) process, wire-arc directed energy deposition (DED) has
drawn increasing attention due to its ability to print large metal parts. However, the heat …

In laser based powder-bed fusion of metals (PBF-LB/M), parts are fabricated by melting
layers of powder using a high-intensity laser beam. During this process, the material is …

The build-up of the heat losses induced by a high-temperature gradient during laser additive
manufacturing process has a significant effect on the thermal behaviors and the formation of …

The build-up of residual stress and the resultant deformation in laser powder bed fusion
(LPBF) play vital roles in the performance of the as-built parts. Due to the complex physical …

Numerical modelling is an effective tool to investigate the rapid temperature cycling in laser
powder bed fusion. However, the high computational cost limits the modelling of part-scale …

For the broader industrial usage of metal additive manufactured parts, especially made by
laser powder bed fusion, a better prediction and understanding of the warpage and of …

Goldak's ellipsoidal heat source model is widely accepted in laser powder bed fusion
(LPBF) process simulations. The model is dependent on three inherent flux distribution …

The use of powder is one of the special features in laser powder bed fusion additive
manufacturing (L-PBF AM). How the powder affects the L-PBF process is the basic …