Effect of Tartaric Acid on the Printable, Rheological and Mechanical Properties of 3D Printing Sulphoaluminate Cement Paste

被引：52
作者：
Chen, Mingxu [1 ,2 ]
Guo, Xiangyang [3 ]
Zheng, Yan [1 ]
Li, Laibo [1 ,2 ]
Yan, Zhen [1 ,2 ]
Zhao, Piqi [2 ]
Lu, Lingchao [1 ,2 ]
Cheng, Xin [2 ]
机构：
[1] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China
[2] Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Shandong, Peoples R China
[3] Shandong Prov Acad Bldg Res, Jinan 250022, Shandong, Peoples R China
来源：
MATERIALS | 2018年 / 11卷 / 12期
关键词：
3D printing; rheological properties; tartaric acid; sulphoaluminate cement; thixotropy; GRAPHENE OXIDE; DIGITAL FABRICATION; CONCRETE; PERFORMANCE; SUPERPLASTICIZER; EXTRUSION; HYDRATION; ETHER;
D O I：
10.3390/ma11122417
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Rapid setting and low viscosity of sulphoaluminate cement (SAC) make it difficult to be extruded by 3D printing (3DP) technique. In this study, the effect of tartaric acid (TA) on printability, rheology and mechanical property of 3DP SAC paste is investigated. The experimental results indicate that the setting time, hydration evolution and apparent viscosity of SAC paste can be well controlled by adding a proper amount of TA to satisfy the requirements of 3DP. An excellent structure of SAC paste with the ultimate deformation rate less than 10% can be printed without compromising mechanical strength.
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页数：13
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