Frequency dependent material property characterisation of inkjet printed polymers

Austin, Beth and Cheer, Jordan (2023) Frequency dependent material property characterisation of inkjet printed polymers. Carletti, Eleonora (ed.) In Proceedings of the 29th International Congress on Sound and Vibration. International Institute of Acoustics and Vibration. 6 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

Multi-material additive manufacturing has rapidly advanced in recent years, enabling the construction of increasingly complex geometries with the potential for enclosed features of dissimilar materials. Several use cases for these processes in vibration control are currently being investigated, particularly in metamaterial applications where the increasingly complex geometries cannot be produced with traditional manufacturing techniques. Unfortunately, characterisation of the properties of the materials generally only focuses on the static material properties. As more applications for multi-material additive manufacturing in vibration control are investigated, it will become necessary to understand the frequency dependency of the materials used to aide in the design process. This work investigates the frequency dependency of the material properties of a range of photopolymers used in multi-material inkjet printing.

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