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Powder Spreading Mechanism in Laser Powder Bed Fusion Additive Manufacturing: Experiments and Computational Approach Using Discrete Element Method

Habiba, Ummay ; Hebert, Rainer J

Materials, 2023-04, Vol.16 (7), p.2824 [Periódico revisado por pares]

Switzerland: MDPI AG

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Título:
Powder Spreading Mechanism in Laser Powder Bed Fusion Additive Manufacturing: Experiments and Computational Approach Using Discrete Element Method
Autor: Habiba, Ummay ; Hebert, Rainer J
Assuntos: 3D printing ; Additive manufacturing ; additive manufacturing (AM) ; Discrete element method ; discrete element method (DEM) ; ESI software ; laser powder bed fusion (LPBF) ; Lasers ; Manufacturing ; Mechanical properties ; metal powder ; Methods ; Packing density ; Particle size ; Particle size distribution ; Powder beds ; powder spreading ; Powders ; Simulation ; Simulation methods ; Velocity
É parte de: Materials, 2023-04, Vol.16 (7), p.2824
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Laser powder bed fusion (LPBF) additive manufacturing (AM) has been adopted by various industries as a novel manufacturing technology. Powder spreading is a crucial part of the LPBF AM process that defines the quality of the fabricated objects. In this study, the impacts of various input parameters on the spread of powder density and particle distribution during the powder spreading process are investigated using the DEM (discrete element method) simulation tool. The DEM simulations extend over several powder layers and are used to analyze the powder particle packing density variation in different layers and at different points along the longitudinal spreading direction. Additionally, this research covers experimental measurements of the density of the powder packing and the powder particle size distribution on the construction plate.
Editor: Switzerland: MDPI AG
Idioma: Inglês

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Powder Spreading Mechanism in Laser Powder Bed Fusion Additive Manufacturing: Experiments and Computational Approach Using Discrete Element Method

Habiba, Ummay ; Hebert, Rainer J

Switzerland: MDPI AG

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