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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Advances in Biomaterials for 3D Printing
Presentation Title Additively Manufactured Functionally Graded Biodegradable Porous Zinc
Author(s) Yageng Li, Prathyusha Pavanram, Jie Zhou, Karel Lietaert, Marius Leeflang, Holger Jahr, Amir Zadpoor
On-Site Speaker (Planned) Yageng Li
Abstract Scope Additively manufactured (AM) functionally graded porous metallic biomaterials offer unique opportunities to satisfy the contradictory design requirements of an ideal bone substitute. However, no functionally graded porous structures have ever been 3D-printed from biodegradable metals, even though biodegradability is crucial both for full tissue regeneration and for the prevention of implant-associated infections in the long term. Here, we present the first report on 3D-printed functionally graded biodegradable porous zinc. Our results suggest that topological design in general, and functional gradients in particular can be used as an important tool for adjusting the biodegradation behavior of AM porous metallic biomaterials. The biodegradation rate and mass transport properties of AM porous zinc can be increased while maintaining the bone-mimicking mechanical properties of these biomaterials. The observations reported here underline the importance of proper topological design in the development of AM porous biodegradable metals.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additively Manufactured Functionally Graded Biodegradable Porous Zinc
Design of Metallic Lattices for Bone Implants by Additive Manufacturing
Effects of Photoinitiators on Cell Viability in 3D Bioprinting
From Microstructural Design to Surface Engineering: A Tailored Approach for Improving Fatigue Life of Additively Manufactured Lattice Titanium
Guided Cell Migration on a Graded Micropillar Substrate
Investigation of Cell Sedimentation in Inkjet-based Bioprinting of Cell-Laden Bioink

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