Results 21 to 30 of about 21,275 (282)
Process Developments in Electron-Beam Powder Bed Fusion Enabled by Near-Infrared Radiation
Journal of Manufacturing and Materials ProcessingThe use of an electron beam (EB) as a heating source in EB-based powder bed fusion (PBF-EB) has several limitations, such as reduced powder recyclability, short machine service intervals, difficulties with heating large areas and the limited ...
William Sjöström +3 more
doaj +5 more sources
Dry powder coating in additive manufacturing
Frontiers in Chemical Engineering, 2022 Dry powder coating is used in many industries to tailor the bulk solid characteristics of cohesive powders. Within this paper, the state of the art of dry coating of feedstock materials for powder based additive manufacturing (AM) processes will be ...
Jochen Schmidt +3 more
doaj +1 more source
Additive Manufacturing Letters, 2023 Powder bed fusion (PBF) is a promising but challenging method for additive manufacturing of magnetocaloric Ni-Mn-Sn Heusler alloys, due to the material's inherent brittleness. To produce crack-free near-net-shape parts from prealloyed gas atomized 47.2Ni-
Silja-Katharina Rittinghaus +5 more
doaj +1 more source
Powder Bed Fusion of Multimaterials
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 +1 more source
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 ...
openaire +3 more sources
Microstructure and mechanical properties of as-built and heat-treated electron beam melted Ti–6Al–4V [PDF]
, 2019 This paper investigates the effect of post-deposition heat treatment on porosity, microstructure, and mechanical properties of Ti–6Al–4V produced via an Electron Beam Melting process. Samples were studied in the conditions of as-built and heat treated at
Abdul Khadar Syed +4 more
core +1 more source
A Ray Tracing Model for Electron Optical Imaging in Electron Beam Powder Bed Fusion
Journal of Manufacturing and Materials Processing, 2023 The recent success of the process monitoring method Electron Optical Imaging, applied in the additive manufacturing process Electron Beam Powder Bed Fusion, necessitates a clear understanding of the underlying image formation process.
Jakob Renner +3 more
doaj +1 more source
Solidification Morphology Analysis of SLM of Cu Powder [PDF]
, 2004 The solidification morphology analysis of fine Cu powder melted by a raster scanned energy beam from a focused Nd:YAG laser is presented here. The powder was processed inside of sealed chamber where it was subjected to a high vacuum cycle.
Bourell, David L., Ramos Grez, Jorge A.
core +1 more source
Applied Sciences, 2021 Additive manufacturing has been considered a suitable process for developing high-performance parts of medical or aerospace industries. The electron beam powder bed fusion process, EB-PBF, is a powder bed fusion process carried out in a vacuum, in which ...
Julius Hendl +6 more
doaj +1 more source
Atomic-scale grain boundary engineering to overcome hot-cracking in additively-manufactured superalloys [PDF]
, 2019 There are still debates regarding the mechanisms that lead to hot cracking in parts build by additive manufacturing (AM) of non-weldable Ni-based superalloys.
Abed, Stéphane +11 more
core +2 more sources