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Laser Powder Bed Fusion of Powder Material: A Review
3D Printing and Additive Manufacturing, 2023Laser powder bed fusion (L-PBF) has drawn increasing interest from enterprises because of its great advantages in additive manufacturing of metal, ceramic, and polymer materials. Although people pay more attention to L-PBF, many problems such as poor density need to be solved urgently.
Xi Zhao, Tong Wang
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2020
Abstract This article focuses on a study that was performed to understand the effects of powder attributes; process parameters; and hot isostatic pressing (HIP) treatment on the densification, mechanical and corrosion properties, and microstructures of 17-4 PH stainless steel gas- and water-atomized laser-powder bed fusion (LPBF) parts ...
Harish Irrinki +3 more
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Abstract This article focuses on a study that was performed to understand the effects of powder attributes; process parameters; and hot isostatic pressing (HIP) treatment on the densification, mechanical and corrosion properties, and microstructures of 17-4 PH stainless steel gas- and water-atomized laser-powder bed fusion (LPBF) parts ...
Harish Irrinki +3 more
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Powder spreading in laser-powder bed fusion process
Granular Matter, 2021Laser-Powder Bed Fusion (LPBF) has been extensively utilized by a broad range of manufacturing industries in recent years. Fabricating parts with high mechanical properties and smooth surfaces has motivated such industries and academic communities to study different aspects and steps of the LPBF process, including powder spreading, laser scanning, and ...
M. Hossein Sehhat +1 more
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Melting modes in laser powder bed fusion
Materialia, 2019Depending on processing conditions, laser powder bed fusion (LPBF) is known to have two operational regimes - conduction mode and keyhole mode. Heat conduction is the dominant heat transfer mechanism for conduction mode, whereas heat convection is the dominant heat transfer mechanism for keyhole mode.
Sagar Patel, Mihaela Vlasea
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Laser Powder Bed Fusion Process
2022<div class="section abstract"> <div class="htmlview paragraph">This specification establishes process controls for the repeatable production of aerospace parts by Laser Powder Bed Fusion (L-PBF). It is intended to be used for aerospace parts manufactured using Additive Manufacturing (AM) metal alloys, but usage is not limited to such ...
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Process monitoring of laser powder bed fusion
2021The layerwise production paradigm entailed by the Laser Powder Bed Fusion process makes potentially available a large amount of information on a layer-by-layer basis, to determine the stability of the process and anticipate quality inspections of the part while it is being produced.
Grasso, Marco +3 more
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