Laser powder bed fusion (LPBF) is a highly dynamic and complex physical process, and
single-track defects tend to accumulate into non-negligible internal defects of parts. The …

Laser beam intensity profile used in laser powder bed fusion (LPBF) process is generally
Gaussian, which may not be the best to deliver site-specific microstructures. In this study, a …

Laser powder bed fusion (LPBF) has made significant progress in producing solid and
porous metal parts with complex shapes and geometries. However, LPBF produced parts …

During the laser powder bed fusion (LPBF) process, keyhole pores or lack of fusion pores
may form depending on the energy density used to fabricate the part. In this study, different …

In laser powder bed fusion (L-PBF) additive manufacturing, the mechanical performance,
microstructure and defects of fabricated parts are closely associated with the melt pool …

Single-track experiments were performed to investigate how the scan speed and the laser
power affected the behavior of the single tracks during laser powder bed fusion, including …

Process parameters and material type are the key influencing factors in laser powder bed
fusion (LPBF) manufacturing. In this study, a three-dimensional high-fidelity discrete heat …

Despite of the promising advantages of laser powder bed fusion (LPBF), the surface quality
control of the LPBF-produced parts has been a critical challenge for this technique to have a …

Vaporization of alloying elements is an important phenomenon during laser powder bed
fusion (LPBF), especially in the laser interaction with difficult-to-form materials containing the …

Laser powder bed fusion (L-PBF) as an metal additive manufacturing process that can
produce fully dense 3D structures with complex geometry using difficult-to-process metal …