Additive Manufacturing of Lattice Structures for Catalyst Applications

Conference · Thu Jan 23 04:00:00 EST 2025

DOI:https://doi.org/10.2172/3007556· OSTI ID:3007556

Ghanadi, Nahal ^[1]; Son, Kwangtae ^[1]; Paul, Brian K. ^[1]; Pasebani, Somayeh ^[1]

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1. Oregon State University

Abstract The design and fabrication of Inconel 718 open-pore lattice structures via Laser Powder Bed Fusion (LPBF) has been investigated in this research, focusing on applications such as catalyst supports in jet fuel production. The study explores the impact of laser power and scanning speed on the geometrical resolution of these structures aiming to achieve high porosity (porosity > 60%) and specific pore sizes ranging from 500–1000 μm, intending to serve as catalyst supports, replacing conventionally manufactured foams to reduce costs. Results demonstrate the significant influence of processing parameters on the geometrical aspects of printed lattice structures, with laser power having a more pronounced effect on geometrical accuracy than scanning speed. Additionally, the mechanical properties of the printed lattice structures showed a correlation with the lattice strut sizes, as lattices with less porosity and thicker struts resulted in higher maximum shear stress.

• Research Organization: Oregon State Univ., Corvallis, OR (United States)
• Sponsoring Organization: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO); Oregon Business Development Department
• DOE Contract Number: EE0009261
• OSTI ID: 3007556
• Report Number(s): IMECE2024-147357; V002T03A071
• Resource Type: Conference presentation
• Conference Information: ASME 2024 International Mechanical Engineering Congress and Exposition
• Country of Publication: United States
• Language: English