Materials Reports  2020, Vol. 34 Issue (Z2): 217-220 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Influence of Limestone Powder on Performances of 3D Printing Cementitious Materials |
| ZHAO Ying1,2, LIU Weisheng1, WANG Huan1, GU Fei1, CHE Yujun1, YANG Huashan1
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1 School of Materials and Architectural Engineering, Guizhou Normal University, Guiyang 550025, China
2 College of Material Science and Engineering, Chongqing University, Chongqing 400044, China |
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Abstract In recent years, there have been significant breakthroughs in the development of 3D printing technology in the construction field. Its advantages of fast manufacturing speed, low cost, energy-saving, and environmental protection have attracted more attention. However, there are still flaws in the application of cementitious materials in 3D printing technology. The development of 3D printing materials is a key factor for the maturity of architectural 3D printing. In this paper, the Portland cement with limestone powder was selected as the research object, and the mix ratio suitable for 3D printing cement-based materials was designed. Workability and mechanical strength of the 3D printing cementitious materials with 5%, 10%, 15%, and 20% limestone powder were tested. Test results show that ordinary Portland cement mixed with an appropriate amount of limestone powder can be used as a high-quality 3D printing material. The experimental results show that an appropriate amount of limestone powder can be used to prepare 3D printing materials with excellent working and mechanical properties instead of ordinary Portland cement.
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Published: 08 January 2021
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| Fund:This work was financially supported by the National Natural Science Foundation of China (51669004) and National College Students Innovation and Entrepreneurship Training Program (201910663001). |
| About author:: Ying Zhao received her bachelor's degree in June 2020 from Guizhou Normal University in engineering. She is educating and learning at Chongqing University for her master's degree in September 2020.Huashan Yang obtained his Ph.D. degree from Wuhan University. He is currently an associate professor and master supervisor at Guizhou Normal University. His research interest is in the field of 3D printing cementitious materials. He published more than 30 research papers and applied for 10 national patents. |
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