In Situ Inclusion Detection and Material Characterization in an Electron Beam Powder Bed Fusion Process Using Electron Optical Imaging [PDF]
Materials, 2023 Electron Beam Powder Bed Fusion (PBF-EB) is an Additive Manufacturing (AM) method that utilizes an electron beam to melt and consolidate metal powder.
Carolin Körner +2 more
exaly +4 more sources
Processing condition dependency of increased layer thickness on surface quality during electron beam powder bed fusion [PDF]
Journal of Materials Research and Technology, 2023 The energy beam and powder layer interaction influences the dynamic melt behavior and determines the surface quality in electron beam powder bed fusion (PBF-EB).
Yufan Zhao +3 more
doaj +2 more sources
In Situ Monitoring of Powder Bed Fusion Homogeneity in Electron Beam Melting [PDF]
Materials, 2021 Increasing attention has been devoted in recent years to in situ sensing and monitoring of the electron beam melting process, ranging from seminal methods based on infrared imaging to novel methods based on backscattered electron detection. However, the range of available in situ monitoring capabilities and solutions is still quite limited compared to ...
Marco Grasso, Grasso M.
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Powder Bed Fusion of Multimaterials [PDF]
Journal of Manufacturing and Materials Processing, 2023 Powder bed fusion (PBF) process has been used successfully to produce 3D structures using single material properties. The current industrial demand is to use the technology to produce 3D structures of multimaterial properties.
Thywill Cephas Dzogbewu, Deon de Beer
doaj +2 more sources
Revealing the Mechanisms of Smoke during Electron Beam–Powder Bed Fusion by High-Speed Synchrotron Radiography [PDF]
Journal of Manufacturing and Materials ProcessingElectron beam–powder bed fusion (PBF-EB) is an additive manufacturing process that utilizes an electron beam as the heat source to enable material fusion. However, the use of a charge-carrying heat source can sometimes result in sudden powder explosions,
Jihui Ye +4 more
doaj +2 more sources
Melting ceramic Al2O3 powder by electron beam powder bed fusion [PDF]
Progress in Additive ManufacturingAbstractElectron beam powder bed fusion (PBF-EB) is a known metal additive manufacturing (AM) technology. Processing non-conducting powders such as ceramics has so far been considered as not feasible because of the inherent problems with Coulomb repulsion due to insufficient electrical conductivity.
William Sjöström +2 more
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Microstructure tailoring in Electron Beam Powder Bed Fusion additive manufacturing and its potential consequences [PDF]
Results in Materials, 2019 Electron Beam Powder Bed Fusion process for Alloy 718 was investigated, in the sense of microstructural evolution with varying process conditions. The existence of a geometric relationship between the melt front and the processing parameters was observed.
Arun Ramanathan Balachandramurthi +5 more
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Modelling the thermal behaviour of Ti6Al4V sintered powder bed in electron beam powder bed fusion (EB-PBF) [PDF]
Procedia CIRP, 2023 The understanding of thermal behaviour of the sintered powder is a crucial feature in the electron beam powder bed fusion (EB- PBF) process. Accurate analyses may help optimise the process, manage smoke sensitivity materials, and give precious inputs for EB-PBF process modelling and simulation.
Galati, Manuela +3 more
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Electron beam powder bed fusion process monitoring by in-melt electron analysis [PDF]
Additive ManufacturingEffective process monitoring is crucial for ensuring high print quality in electron beam powder bed fusion (PBFEB), an advanced additive manufacturing technique. The interaction of electrons and matter provides a wealth of in-melt information during repeated local melting.
Jinghao Xu +4 more
openaire +3 more sources
MetalsA high-alloy (Cr-Mo-V) cold-work tool steel was manufactured by laser powder-bed fusion (PBF-LB) without preheating and by electron-beam powder-bed fusion (PBF-EB) with the build temperature set at 850 °C.
Mikael Åsberg +6 more
doaj +3 more sources