Synchrotron-based X-ray microtomography characterization of the effect of processing variables on porosity formation in laser power-bed additive manufacturing of Ti …
The porosity observed in additively manufactured (AM) parts is a potential concern for
components intended to undergo high-cycle fatigue without post-processing to remove such …
components intended to undergo high-cycle fatigue without post-processing to remove such …
Effects of process parameters on porosity in laser powder bed fusion revealed by X-ray tomography
A du Plessis - Additive Manufacturing, 2019 - Elsevier
This paper reports on X-ray tomography of a series of coupon samples (5 mm cubes)
produced under different process parameters, for laser powder bed fusion of Ti6Al4V …
produced under different process parameters, for laser powder bed fusion of Ti6Al4V …
Analyzing the effects of powder and post-processing on porosity and properties of electron beam melted Ti-6Al-4V
R Cunningham, A Nicolas, J Madsen… - Materials Research …, 2017 - Taylor & Francis
Metal additive manufacturing techniques such as the powder-bed systems are developing
as a novel method for producing complex components. This study uses synchrotron-based X …
as a novel method for producing complex components. This study uses synchrotron-based X …
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 …
[HTML][HTML] Effects of defects on mechanical properties in metal additive manufacturing: A review focusing on X-ray tomography insights
X-ray tomography has emerged as a uniquely powerful and non-destructive tool to analyze
defects in additive manufacturing. Defects include unintended porosity, rough surfaces and …
defects in additive manufacturing. Defects include unintended porosity, rough surfaces and …
[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 …
Keyhole pores reduction in laser powder bed fusion additive manufacturing of nickel alloy 625
Keyhole pores are common in additively manufactured parts and can badly deteriorate the
part's performance. In this study, we demonstrated that the keyhole pores formation in the …
part's performance. In this study, we demonstrated that the keyhole pores formation in the …
Evaluating the effect of processing parameters on porosity in electron beam melted Ti-6Al-4V via synchrotron X-ray microtomography
Electron beam melting (EBM) is one of the subsets of direct metal additive manufacturing
(AM), an emerging manufacturing method that fabricates metallic parts directly from a three …
(AM), an emerging manufacturing method that fabricates metallic parts directly from a three …
Correlations between thermal history and keyhole porosity in laser powder bed fusion
Additive manufacturing has the potential to revolutionize the production of metallic
components as it yields near net shape parts with complex geometries and minimizes waste …
components as it yields near net shape parts with complex geometries and minimizes waste …
Classifying shape of internal pores within AlSi10Mg alloy manufactured by laser powder bed fusion using 3D X-ray micro computed tomography: Influence of …
Internal porosity of metallic parts manufactured by laser powder bed fusion (LPBF) is
governed by processing parameters including laser power, scanning speed, scan spacing …
governed by processing parameters including laser power, scanning speed, scan spacing …