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Evaluation of the Mechanical Properties of a 3D Printed Mortar (2019-12)

10.3390/ma12244104

 Lee Hojae,  Kim Jang-Ho,  Moon Jae-Heum,  Kim Won-Woo,  Seo Eun-A
Journal Article - Materials, Vol. 12, Iss. 24

Abstract

The mechanical properties of 3D-printed mortars are determined in terms of their compressive and direct tensile bond strengths. To determine such properties using existing methods, a preliminary experiment was conducted. The compressive strength of the printed mortar was compared to mold-casted specimens and it was found that the compressive strength decreased by ~30%. Among the fabrication variables, an increase in nozzle height negatively influenced the direct tensile bond strength. For the same conditions and age, the direct tensile strength decreased by as much as 16-29% when the number of layers increased from 2 to 6. When the specimens were fabricated using a specially designed stainless steel frame and core drill, followed by extraction and the application of physical impact, the 28 days compressive strength of the specimen decreased by ~50%.

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BibTeX
@article{lee_kim_moon_kim.2019.EotMPoa3PM,
  author            = "Hojae Lee and Jang-Ho Jay Kim and Jae-Heum Moon and Won-Woo Kim and Eun-A Seo",
  title             = "Evaluation of the Mechanical Properties of a 3D Printed Mortar",
  doi               = "10.3390/ma12244104",
  year              = "2019",
  journal           = "Materials",
  volume            = "12",
  number            = "24",
}
Formatted Citation

H. Lee, J.-H. J. Kim, J.-H. Moon, W.-W. Kim and E.-A. Seo, “Evaluation of the Mechanical Properties of a 3D Printed Mortar”, Materials, vol. 12, no. 24, 2019, doi: 10.3390/ma12244104.

Lee, Hojae, Jang-Ho Jay Kim, Jae-Heum Moon, Won-Woo Kim, and Eun-A Seo. “Evaluation of the Mechanical Properties of a 3D Printed Mortar”. Materials 12, no. 24 (2019). https://doi.org/10.3390/ma12244104.