Development of Nanofiber-Reinforced Reactive Magnesia-Based Composites for 3D Printing (2023-01)¶
10.1016/j.conbuildmat.2022.130270
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Journal Article - Construction and Building Materials, Vol. 366
Abstract
Nanofiber reinforced reactive magnesia-based composites (nano-FRMC) with varying nanofiber contents (0–0.6%) at different water to binder ratios (0.35–0.50) were developed. Fresh properties (slump, flow diameter, degree of levelling) and mechanical performance were systematically studied. Experimental results revealed that the inclusion of nanofibers altered the shape stability of the mixtures and accelerated the convergence of the degree of leveling. Mechanical tests revealed an optimum nanofiber content for achieving the highest compression strength associated with fiber bridging and networking effects. Thermogravimetric analysis and scanning electron microscopy tests revealed the effect of nanofibers on the enhanced formation of hydrate and carbonate phases and microstructural evolution. A thixotropy index was introduced to model the variation of slump and flow diameter subjected to jolting, under the combined effect of nanofiber content and water to binder ratio. Agreement was achieved between predicted and experimental results, deepening the understanding of nano-FRMC for 3D printing applications.
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6 References
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5 Citations
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3D Printing Technology in Concrete Construction - Zhao Zhihui, Cai Xianhuan, Chen Fan, Gong Yongfan et al. (2024-12)
Effect of Wollastonite-Content on Rheology and Mechanical Properties of 3D Printed Magnesium-Potassium-Phosphate-Cement-Based Material of MgO-SiO2-K2HPO4 - Li L., Fang Z., Chu S., Kwan Albert (2024-11)
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Snapshot on 3D Printing with Alternative Binders and Materials:
Earth, Geopolymers, Gypsum and Low-Carbon Concrete - Riaz Raja, Usman Muhammad, Ali Ammar, Majid Usama et al. (2023-06)
Inclusive Characterization of 3D Printed Concrete in Additive Manufacturing:
A Detailed Review
BibTeX
@article{chu_yang_unlu.2023.DoNRRMBCf3P,
author = "Shaohua H. Chu and En-Hua Yang and Cise Unluer",
title = "Development of Nanofiber-Reinforced Reactive Magnesia-Based Composites for 3D Printing",
doi = "10.1016/j.conbuildmat.2022.130270",
year = "2023",
journal = "Construction and Building Materials",
volume = "366",
}
Formatted Citation
S. H. Chu, E.-H. Yang and C. Unluer, “Development of Nanofiber-Reinforced Reactive Magnesia-Based Composites for 3D Printing”, Construction and Building Materials, vol. 366, 2023, doi: 10.1016/j.conbuildmat.2022.130270.
Chu, Shaohua H., En-Hua Yang, and Cise Unluer. “Development of Nanofiber-Reinforced Reactive Magnesia-Based Composites for 3D Printing”. Construction and Building Materials 366 (2023). https://doi.org/10.1016/j.conbuildmat.2022.130270.