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dc.contributor.authorMcDonald-Wharry, Johnen_NZ
dc.contributor.authorAmirpour, Maedehen_NZ
dc.contributor.authorPickering, Kim L.en_NZ
dc.contributor.authorBattley, Marken_NZ
dc.contributor.authorFu, Yejunen_NZ
dc.date.accessioned2021-07-20T23:39:22Z
dc.date.available2021-07-20T23:39:22Z
dc.date.issued2021en_NZ
dc.identifier.citationMcDonald-Wharry, J., Amirpour, M., Pickering, K. L., Battley, M., & Fu, Y. (2021). Moisture sensitivity and compressive performance of 3D-printed cellulose-biopolyester foam lattices. Additive Manufacturing, 40. https://doi.org/10.1016/j.addma.2021.101918en
dc.identifier.issn2214-8604en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/14451
dc.description.abstractBiobased, foam-like polyester composite materials were 3D-printed from a thermoset paste formulation. This paste formulation was composed of sebacic acid, glycerol, citric acid, and cellulose nanocrystals in water and ethanol with potassium chloride as a salt porogen. Thin walls and lattices were 3D-printed with geometry selected to facilitate post-printing processes such as water removal during polyester curing and the post-curing removal of the salt porogen. The compressive performance of these moisture-sensitive lattice structures was investigated after conditioning at different humidity levels and by water immersion. Finite element analysis was used to simulate the compressive performance of these porous lattice structures using a crushable foam material model. Addition of plant triglyceride oils from sunflower and coconut were trialled to modify the compressive performance and moisture sensitivity. Addition of 5 wt% coconut oil to the formulation prior to 3D-printing was found to lower the cured material’s stiffness under dry conditions while increasing the compressive plateau strength of the lattice structures after water immersion.
dc.language.isoenen_NZ
dc.publisherElsevieren_NZ
dc.rights© 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectScience & Technologyen_NZ
dc.subjectTechnologyen_NZ
dc.subjectEngineering, Manufacturingen_NZ
dc.subjectMaterials Science, Multidisciplinaryen_NZ
dc.subjectEngineeringen_NZ
dc.subjectMaterials Scienceen_NZ
dc.subjectAdditive manufacturingen_NZ
dc.subjectNanocelluloseen_NZ
dc.subjectPolyesteren_NZ
dc.subjectFoamen_NZ
dc.subjectDirect-write assemblyen_NZ
dc.titleMoisture sensitivity and compressive performance of 3D-printed cellulose-biopolyester foam latticesen_NZ
dc.typeJournal Article
dc.identifier.doi10.1016/j.addma.2021.101918en_NZ
dc.relation.isPartOfAdditive Manufacturingen_NZ
pubs.elements-id259962
pubs.publication-statusPublisheden_NZ
pubs.volume40en_NZ
dc.identifier.eissn2214-7810en_NZ
uow.identifier.article-noARTN 101918


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