About this Abstract |
Meeting |
2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
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Symposium
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2022 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2022)
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Presentation Title |
A Study on the Effect of VED, Particle Size Distribution, Moisture Content, and Powder Reuse on the Densification and Mechanical Properties of L-PBFed Nickel Alloy 718 Using Design of Experiment and ANOVA |
Author(s) |
Peter Morcos, David Shoukr, Tayler Sundermann, Raymundo Arroyave, Ibrahim Karaman, Alaa Elwany |
On-Site Speaker (Planned) |
Peter Morcos |
Abstract Scope |
Laser-Powder bed fusion of nickel alloy 718 has been widely studied in the literature. However, the effect of powder characteristics such as particle size distribution (PSD), inclusion of fine particles, moisture content, and powder reuse was not studied comprehensively. In this study, two levels of powder type, particle size distribution, (includes particle size range and median particle size), moisture content, VED, and powder type were used. Statistical design of experiment (DOE) techniques was implemented to reduce the experimental cost and burden. The observed results were analyzed using analysis of variance to determine the effect of the different powder characteristics on the quantities of interest (QoI). The QoI in this study are the densification and mechanical properties. The study reveals that VED, powder type, and range are the commonly significant factor for the QoI, while moisture content was significant for Charpy impact energy test only. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |