Defect formation is a critical challenge for powder-based metal additive manufacturing (AM).
Current understanding on the three important issues including formation mechanism …

This review article provides a critical assessment of the progress made in computational
modelling of metal-based additive manufacturing (AM) with emphasis on its ability to predict …

Understanding and controlling the thermal behavior during laser powder bed fusion (LPBF)
additive manufacturing (AM) is crucial to improve the quality of the printed layer and the …

Understanding powder spreading under low gravity conditions is essential for optimizing
final products using additive manufacturing in space. In this study, we investigated the role of …

The surface morphology of intra-layer printing process plays a crucial role in powder bed
fusion. It not only determines the quality of the top surface but also provides insights into the …

Direct metal deposition is a promising additive manufacturing, but the surface quality of as-
built parts has been a prominent issue limiting its immediate application. The laser beam …

Using numerical simulation methods in additive manufacturing (AM) processes can
effectively reduce the cost of process exploration. This study presents a multi-scale …

Metal thin‐walled structures are ubiquitous in various industrial applications and fabricating
them through additive manufacturing (AM) enables intricate thin‐wall geometries with no …

Direct numerical simulation of laser powder bed fusion process on mesoscopic level can
serve as a predictive tool for the construction quality of a part. The non-stationary fluid …

A systematic study on the densification behavior and build quality of 2205 duplex stainless
steel fabricated using laser powder bed fusion (LPBF) was performed by experiment and …