Preparation of Hollow Lattice Alumina Ceramics by 3D Printing

被引：0
|
作者：
Sun L. [1 ,2 ,3 ]
Dong P. [4 ]
Zeng Y. [1 ,2 ,3 ]
Chen J. [1 ,2 ,3 ]
机构：
[1] Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing
[2] Beijing Engineering Research Center of 3D Printing for Digital Medical Health, Beijing
[3] Key Laboratory of cross scale laser forming technology, Ministry of education, Beijing
[4] Capital aerospace machinery corporation limited, Beijing
来源：
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2021年 / 49卷 / 09期
关键词：
3D printing; Hollow structure; Mechanical properties; Porous alumina; Thermal insulation properties;
D O I：
10.14062/j.issn.0454-5648.20210167
中图分类号：
学科分类号：
摘要：
Porous alumina ceramics have many superior properties, such as high-temperature resistance, corrosion resistance, and low thermal conductivity. Alumina ceramics with solid and hollow lattices were prepared by a digital light processing (DLP) 3D printing technique. Stable alumina ceramics were sintered at 1550℃ for 4h. The experimental results show that alumina ceramic with the solid lattice has a higher compressive strength rather than that with the hollow lattice, and the maximum compressive strength of alumina ceramic with the solid lattice is 4.80 MPa. The maximum compressive strength of the ceramic with the hollow lattice is 1.59 MPa. The results of mechanical tests are similar to the simulation data. Alumina ceramic with the hollow lattice formed by DLP technique can be used in industrial thermal insulation applications. © 2021, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.
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页码：1853 / 1860
页数：7
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