Pore defects in Laser Powder Bed Fusion: Formation mechanism, control method, and perspectives
Laser powder bed fusion (LPBF) additive manufacturing (AM) technology has been applied
to manufacture complex components which have already been used in aerospace …
to manufacture complex components which have already been used in aerospace …
[HTML][HTML] Laser powder bed fusion: a state-of-the-art review of the technology, materials, properties & defects, and numerical modelling
S Chowdhury, N Yadaiah, C Prakash… - Journal of Materials …, 2022 - Elsevier
Additive Manufacturing (AM) has revolutionized the manufacturing industry in several
directions. Laser powder bed fusion (LPBF), a powder bed fusion AM process, has been …
directions. Laser powder bed fusion (LPBF), a powder bed fusion AM process, has been …
Formation mechanisms of lack of fusion and keyhole-induced pore defects in laser powder bed fusion process: A numerical study
X Yang, Y Li, B Li - International Journal of Thermal Sciences, 2023 - Elsevier
The presence of manufacturing defects is one of the major causes of limited applications of
laser powder bed fusion (LPBF) technology in fabricating engineering metallic parts. This …
laser powder bed fusion (LPBF) technology in fabricating engineering metallic parts. This …
In situ radiographic and ex situ tomographic analysis of pore interactions during multilayer builds in laser powder bed fusion
Porosity and high surface roughness can be detrimental to the mechanical performance of
laser powder bed fusion (LPBF) additive manufactured components, potentially resulting in …
laser powder bed fusion (LPBF) additive manufactured components, potentially resulting in …
Defects control of aluminum alloys and their composites fabricated via laser powder bed fusion: A review
Laser powder bed fusion (L-PBF) technique, as the mainstream technology in metal additive
manufacturing, enables the fabrication of aluminum alloys and their composite components …
manufacturing, enables the fabrication of aluminum alloys and their composite components …
Computational investigation of melt pool process dynamics and pore formation in laser powder bed fusion
In the laser powder bed fusion additive manufacturing process, the presence of porosity may
result in cracks and significantly affects the part performance. A comprehensive …
result in cracks and significantly affects the part performance. A comprehensive …
[HTML][HTML] Understanding melt pool characteristics in laser powder bed fusion: An overview of single-and multi-track melt pools for process optimization
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 …
porous metal parts with complex shapes and geometries. However, LPBF produced parts …
A critical review on the effects of process-induced porosity on the mechanical properties of alloys fabricated by laser powder bed fusion
Laser powder bed fusion (LPBF) is an emerging additive manufacturing technique that is
currently adopted by a number of industries for its ability to directly fabricate complex near …
currently adopted by a number of industries for its ability to directly fabricate complex near …
Manufacturability analysis of metal laser-based powder bed fusion additive manufacturing—a survey
The laser-based powder bed fusion (LPBF) process is able to produce complex part
geometries. The fast development of the LPBF process offers new opportunities for the …
geometries. The fast development of the LPBF process offers new opportunities for the …
The effect of process parameters on residual stress evolution and distortion in the laser powder bed fusion of Ti-6Al-4V
Laser powder bed fusion (LPBF) is a popular additive manufacturing (AM) process that has
shown promise in fabricating novel components that can be utilized for a wide variety of …
shown promise in fabricating novel components that can be utilized for a wide variety of …