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 …
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 …
Laser powder bed fusion of AlSi10Mg: Influence of energy intensities on spatter and porosity evolution, microstructure and mechanical properties
The generation of both spatters and pores during the laser powder bed fusion (LPBF)
process has a substantial detrimental effect on mechanical properties. Consequently …
process has a substantial detrimental effect on mechanical properties. Consequently …
[HTML][HTML] On the effect of shielding gas flow on porosity and melt pool geometry in laser powder bed fusion additive manufacturing
J Reijonen, A Revuelta, T Riipinen, K Ruusuvuori… - Additive …, 2020 - Elsevier
Metal additive manufacturing is moving from rapid prototyping to on-demand manufacturing
and even to serial production. Consistent part quality and development of a wider range of …
and even to serial production. Consistent part quality and development of a wider range of …
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 …
Pore space characteristics and corresponding effect on tensile properties of Inconel 625 fabricated via laser powder bed fusion
In this work, the tensile behavior of Inconel 625 parts fabricated via laser powder bed fusion
(LPBF) at different laser power levels is examined, and correlated to bulk porosity as well as …
(LPBF) at different laser power levels is examined, and correlated to bulk porosity as well as …
An investigation into specimen property to part performance relationships for laser beam powder bed fusion additive manufacturing
The influence of part size and geometry on the melt pool size, microstructural features, and
resulting mechanical properties of additive manufactured 17-4 precipitation hardening (PH) …
resulting mechanical properties of additive manufactured 17-4 precipitation hardening (PH) …
[HTML][HTML] Hot isostatic pressing in metal additive manufacturing: X-ray tomography reveals details of pore closure
A Du Plessis, E Macdonald - Additive Manufacturing, 2020 - Elsevier
Hot isostatic pressing (HIP) of additively manufactured metals is a widely adopted and
effective method to improve the density and microstructure homogeneity within geometrically …
effective method to improve the density and microstructure homogeneity within geometrically …
Influence of high initial porosity introduced by laser powder bed fusion on the fatigue strength of Inconel 718 after post-processing with hot isostatic pressing
A Kaletsch, S Qin, S Herzog, C Broeckmann - Additive Manufacturing, 2021 - Elsevier
Laser-based additive manufacturing (AM) of metallic materials can produce AM parts of high
quality. The obtained density of metal parts manufactured by laser powder bed fusion …
quality. The obtained density of metal parts manufactured by laser powder bed fusion …
Effect of laser focus shift on surface quality and density of Inconel 718 parts produced via selective laser melting
Selective laser melting (SLM) is a method of laser powder bed fusion additive manufacturing
(AM) currently being pursued in numerous industries, including space launch and space …
(AM) currently being pursued in numerous industries, including space launch and space …