About this Abstract |
Meeting |
2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
|
Symposium
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2025 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2025)
|
Presentation Title |
Tailoring Binder Jet Green and Sintered Part Strength Through Architected Infills |
Author(s) |
Amanda Wei, Christopher B. Williams |
On-Site Speaker (Planned) |
Christopher B. Williams |
Abstract Scope |
Traditionally, binder jetting (BJT) additive manufacturing (AM) entails homogenous distribution of binder across a powder bed to form the shape of the desired layer. Recent research has shown, however, that powder that has not received binder densifies to a greater extent than powder that has received binder. The aim of this research is to explore BJT “infill toolpathing” strategies that optimize binder distribution to maximize final part strength with respect to expected loading. Specifically, we explore employing topology optimization strategies to strategically tune part density to maximize part strength, while still providing sufficient binder to retain green part strength. Infill designs optimized for various bound volume fractions and their density, stiffness, and strength in the green and sintered state are characterized. This work demonstrates that BJT part performance (in the green and sintered states) can be tailored by architecting binder infill. |
Proceedings Inclusion? |
Planned: Post-meeting proceedings |