Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154713
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dc.contributor.authorHe, Leweien_US
dc.contributor.authorChow, Wai Tucken_US
dc.contributor.authorLi, Huaen_US
dc.date.accessioned2022-01-05T05:06:56Z-
dc.date.available2022-01-05T05:06:56Z-
dc.date.issued2020-
dc.identifier.citationHe, L., Chow, W. T. & Li, H. (2020). Effects of interlayer notch and shear stress on interlayer strength of 3D printed cement paste. Additive Manufacturing, 36, 101390-. https://dx.doi.org/10.1016/j.addma.2020.101390en_US
dc.identifier.issn2214-7810en_US
dc.identifier.urihttps://hdl.handle.net/10356/154713-
dc.description.abstractIn this paper for investigation of the effect of interlayer notch and shear stress on interlayer strength of 3D printed cement paste, experimental work is conducted with emphasis on the effects of nozzle shape, nozzle height and printing speed on the interlayer strength. It is observed experimentally that the cement paste printed by the circular nozzle generally achieves a higher interlayer strength, compared with that printed by the rectangular nozzle. A smaller nozzle height may impair the interlayer strength if the interlayer notch is not treated properly. In addition, a higher printing speed marginally increases the interlayer strength, showing the promise of a higher productivity. Theoretically, the experimental phenomena are innovatively explained by the interlayer notch coupled with shear stress on the contact surface, through finite-element and computational-fluid-dynamics simulations. Therefore, reducing the interlayer notch and increasing the interlayer shear stress become crucial in the cement paste for 3D printing process.en_US
dc.language.isoenen_US
dc.relation.ispartofAdditive Manufacturingen_US
dc.rights© 2020 Elsevier B.V. All rights reserved.en_US
dc.subjectEngineering::Mechanical engineeringen_US
dc.titleEffects of interlayer notch and shear stress on interlayer strength of 3D printed cement pasteen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.identifier.doi10.1016/j.addma.2020.101390-
dc.identifier.scopus2-s2.0-85087340017-
dc.identifier.volume36en_US
dc.identifier.spage101390en_US
dc.subject.keywordsCement Paste 3D Printingen_US
dc.subject.keywordsInterlayer Strengthen_US
item.grantfulltextnone-
item.fulltextNo Fulltext-
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