| 三维喷印用硫铝酸盐水泥复合粉末的制备与成型技术研究 |
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| 引用本文： | 刘凯,倪俣,段少强,水中和,黄赟,魏青松,孙恒,刘欣宇,陈嘉奇,孙华君. 三维喷印用硫铝酸盐水泥复合粉末的制备与成型技术研究[J]. 中国建材科技, 2021, 30(3): 63-69 |
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| 作者姓名： | 刘凯 倪俣 段少强 水中和 黄赟 魏青松 孙恒 刘欣宇 陈嘉奇 孙华君 |
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| 作者单位： | 武汉理工大学硅酸盐建筑材料国家重点实验室；武汉理工大学材料科学与工程学院;武汉理工大学硅酸盐建筑材料国家重点实验室；中山市武汉理工大学先进工程技术研究院;武汉理工大学材料科学与工程学院；中山市武汉理工大学先进工程技术研究院;华中科技大学材料成型与模具技术国家重点实验室 |
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| 基金项目： | 湖北省自然科学基金(2018CFB439)；中山市新型研发机构产业化项目(2016F2FC0021)；材料成型与模具技术国家重点实验室开放基金（P2017-002）；武汉理工大学自主创新研究基金（2019-CL-B1-12） |
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| 摘 要： | 为了制备复杂结构水泥基材料构件或艺术品,本文采用三维喷印工艺成型了硫铝酸盐水泥材料制品.首先,使用纳米SiO2作为表面改性剂,利用石英砂和滑石粉调节粉末铺展性能,通过聚乙烯醇提高粉体粘结性能;其次,研究了不同含量的纳米SiO2和石英砂对硫铝酸盐水泥材料力学性能和微观形貌的影响规律;最后,探究了不同后处理液对于三维喷印成...
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| 关 键 词： | 三维喷印 后处理 硫铝酸盐水泥 粉末改性 |
Research on preparation of sulphoaluminate cement composite powder and its three-dimensional printing process |
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| LIU Kai,NI Yu,DUAN Shaoqiang,SHUI Zhonghe,HUANG Yun,WEI Qingsong,SUN Heng,LIU Xinyu,CHEN Jiaqi,SUN Huajun. Research on preparation of sulphoaluminate cement composite powder and its three-dimensional printing process[J]. China Building Materials Science & Technology, 2021, 30(3): 63-69 |
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| Authors: | LIU Kai NI Yu DUAN Shaoqiang SHUI Zhonghe HUANG Yun WEI Qingsong SUN Heng LIU Xinyu CHEN Jiaqi SUN Huajun |
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| Affiliation: | State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology; School of Materials Science and Engineering, Wuhan University of Technology;State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology; Wuhan University of Technology Advanced Engineering Technology Research Institute of Zhongshan City;School of Materials Science and Engineering, Wuhan University of Technology; Wuhan University of Technology Advanced Engineering Technology Research Institute of Zhongshan City;State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology |
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| Abstract: | In order to prepare the cement-based material components or artwork with complex structure, the sulphoaluminate cement material products are formed by three-dimensional printing process. Firstly, nano-SiO2 is used as the surface modifier, quartz sand and talcum powder are used to regulate the spreading performance of the powder, the bonding performance of the powder is improved by polyvinyl alcohol. Secondly, the effects of nano-SiO2 and quartz sand with different contents on mechanical properties and microstructure of sulphoaluminate cement materials are studied. Finally, the strengthening effects of different post-treatment fluids on cement samples are investigated. The results shows that the 7d compressive strength of the printed samples reached 8.75 MPa when the content of nano-SiO2 is 0.5 wt.% and the content of quartz sand is 20 wt.%. The concrete curing agent treatment solution has the best strengthening effect on the printed samples, and the compressive strength can be increased to 15.11 MPa. |
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| Keywords: | three-dimensional printing post-treatment sulphoaluminate cement powder modification |
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