Influence of satellite and agglomeration of powder on the processability of AlSi10Mg powder in Laser Powder Bed Fusion

Chu, Fuzhong; Zhang, Kai; Shen, Haopeng; Liu, Meijuan; Huang, Wenke; Zhang, Xi; Liang, Enquan; Zhou, Zongyan; Lei, Liming; Hou, Juan; Huang, Aijun

doi:10.1016/j.jmrt.2021.02.015

Cited by 56 publications

(8 citation statements)

References 26 publications

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“…Furthermore, the addition of reinforcement may decrease the reflectivity of the Al-Alloy and ease the processability [ 134 ] and also, submicron particles were more effective than micron size in the aspect of laser absorptivity [ 135 ]. But, agglomeration of particles may occur, which affects the mechanical properties of the composite [ 136 ]. Finally, the Al-TMC composites through MAM may create innovative changes in vital applications that require intricate, complex structures along with desirable properties.…”

Section: Inferences and Discussionmentioning

confidence: 99%

Processing of Aluminium-Silicon Alloy with Metal Carbide as Reinforcement through Powder-Based Additive Manufacturing: A Critical Study

et al. 2022

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Powder-based additive manufacturing (PAM) is a potential fabrication approach in advancing state-of-the-art research to produce intricate components with high precision and accuracy in near-net form. In PAM, the raw materials are used in powder form, deposited on the surface layer by layer, and fused to produce the final product. PAM composite fabrication for biomedical implants, aircraft structure panels, and automotive brake rotary components is gaining popularity. In PAM composite fabrication, the aluminium cast alloy is widely preferred as a metal matrix for its unique properties, and different reinforcements are employed in the form of oxides, carbides, and nitrides. However, for enhancing the mechanical properties, the carbide form is predominantly considered. This comprehensive study focuses on contemporary research and reveals the effect of metal carbide’s (MCs) addition to the aluminium matrix processed through various PAM processes, challenges involved, and potential scopes to advance the research.

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Section: Inferences and Discussionmentioning

confidence: 99%

Processing of Aluminium-Silicon Alloy with Metal Carbide as Reinforcement through Powder-Based Additive Manufacturing: A Critical Study

et al. 2022

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“…A density of >99.8% was achieved using LPBF, which is significantly higher than the maximum density of 97.7% achieved with EBM. However, that in the tests with EBM in [ 26 ], a powder with high internal porosity, heteromorphic particles, and a high number of satellites was used, and according to several other studies [ 32 , 37 ], these factors have a negative effect on the achievable component density.…”

Section: Discussionmentioning

confidence: 99%

Crack-free in situ heat-treated high-alloy tool steel processed via laser powder bed fusion: microstructure and mechanical properties

Bergmueller

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Fuchs

et al. 2022

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“…You can see "satellites", powder particles much smaller in size than the average particle size that have fused into the larger particles of the dominant fraction. This affects the powder flow properties and its bulk density, which is 4,03 g/cm 3 [22]. The particle size measurement shown in Figure 2b showed that the mean particle size was 19 μm, and the values of the d10 and d90 parameters were 11.7 μm and 27.4 μm, respectively.…”

Section: Powder Examinationmentioning

confidence: 99%

Analysis of direct metal laser sintering DMLS and heat treatment influence on the Inconel 713C nickel alloy structure

2021

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The group of nickel based superalloys produced in the DMLS (Direct Metal Laser Sintering) process is limited to materials, which produced conventionally do not have properties to allow to use them for rotating components of aircraft engines. This work attempts to optimize the technological parameters of the DMLS process for the Inconel 713C nickel superalloy. A heat treatment was performed for selected samples to investigate the effect on the morphology of the Ni3Al phase. The microstructure analysis and hardness tests were carried out. The material after the DMLS process was characterized by the presence of much smaller dendrites than the cast material and exceeded its hardness. For the tested variants of heat treatment, the material was characterized by smaller sizes of the Ni3Al phase. In order to ensure the stability of the microstructure, an optimization of the dedicated heat treatment after the DMLS process is required, as the standard heat treatment for Inconel 713C cast nickel superalloy does not fully recrystallize the material.

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Influence of satellite and agglomeration of powder on the processability of AlSi10Mg powder in Laser Powder Bed Fusion

Cited by 56 publications

References 26 publications

Processing of Aluminium-Silicon Alloy with Metal Carbide as Reinforcement through Powder-Based Additive Manufacturing: A Critical Study

Processing of Aluminium-Silicon Alloy with Metal Carbide as Reinforcement through Powder-Based Additive Manufacturing: A Critical Study

Crack-free in situ heat-treated high-alloy tool steel processed via laser powder bed fusion: microstructure and mechanical properties

Analysis of direct metal laser sintering DMLS and heat treatment influence on the Inconel 713C nickel alloy structure

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