三维打印磷酸镁水泥复杂艺术品的工艺研究  

Study on the Process of 3D Printing of Complex Art of Magnesium Phosphate Cement

作　　者：刘凯[1] 段少强 化帅斌 水中和[2,3] 陈嘉奇 黄赟 王云摇[2] LIU Kai;DUAN Shao-qiang;HUA Shuai-bin;SHUI Zhong-he;CHEN Jia-qi;HUANG Yun;WANG Yun-yao(School of Materials Science and Engineering,Wuhan University of Technology,Wuhan 430070,China;State Key Laboratory of Silicate Building Materials,Wuhan University of Technology,Wuhan 430070,China;Wuhan University of Technology Advanced Engineering Technology Research Institute of Zhongshan City,Zhongshan 528400,China)

机构地区：[1]武汉理工大学材料科学与工程学院,武汉430070 [2]武汉理工大学硅酸盐建筑材料国家重点实验室,武汉430070 [3]中山市武汉理工大学先进工程技术研究院,中山528400

出　　处：《硅酸盐通报》2018年第9期2888-2892,共5页Bulletin of the Chinese Ceramic Society

基　　金：中山市新型研发机构产业化"水泥基材料艺术品(构件)3D打印技术研发与应用"项目(2016F2FC0021);材料成形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(2017-CL-B1-05)

摘　　要：为了获得任意复杂形状的水泥艺术品,提出基于磷酸镁水泥(MPC)粉末,以硼砂溶液作为粘接剂,通过粉末床三维打印技术制备了磷酸镁水泥试样和复杂艺术品。研究了三维打印磷酸镁水泥试样的形状精度,并探讨了硼砂溶液对磷酸镁水泥力学性能的影响;测试了磷酸镁水泥在空气里养护及水保养条件下的抗压强度,并利用XRD和SEM分析了磷酸镁水泥的水化产物的物相组成和微观形貌。结果表明,三维打印磷酸镁水泥成型精度较高,尺寸误差在2.5%以内,打印坯体抗压强度达到1.35 MPa;磷酸镁水泥经水护保养后,抗压强度可提升至2.26 MPa,在水中浸泡后抗压强度达到了9.44 MPa;最后,利用优化的材料方案和工艺参数,三维打印了复杂形状扭环和齿轮水泥艺术品。In order to obtain any complex shape of the cement works,this paper based on magnesium phosphate cement(MPC)powder,borax solution as the binder,the powder bed 3D printing technology to prepare MPC samples and complex works of art.Study on the shape accuracy of 3D printing of MPC samples,and borax solution on the mechanical properties of MPC was studied.Tested the compressive strength of MPC under the condition of the air and water conservation,X-ray diffraction(XRD)and scanning electron microscope(SEM)were employed to analysis the phase composition and microstructure of MPC hydration products.The results show that,MPC 3D printing precision is high,the size of the error within 2.5%,the compressive strength of the print body reaches 1.35 MPa;After water conservation,the compressive strength of MPC can be increased to 2.26 MPa,and the compressive strength of MPC is 9.44 MPa after immersion in water.Finally,using optimized material scheme and process parameters,3D printing of complex shape torsional rings and gear cement works.

关 键 词：三维打印 磷酸镁水泥 硼砂溶液 水泥艺术品 

分 类 号：TQ172[化学工程—水泥工业]