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Anisotropy Control and High-Temperature Strengthening of Silica Ceramic Cores Fabricated by 3D Printing
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Xiqing XU1, Jiaxian FAN1, Shuxin NIU2, Xin LI2, Qiang ZHANG2, Jie LI1
Journal of the Chinese Ceramic Society | 2022, 50(9) : 2422 - 2429
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Journal of the Chinese Ceramic Society | 2022, 50(9): 2422-2429
• Research Articles •
Anisotropy Control and High-Temperature Strengthening of Silica Ceramic Cores Fabricated by 3D Printing
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Xiqing XU1, Jiaxian FAN1, Shuxin NIU2, Xin LI2, Qiang ZHANG2, Jie LI1
Affiliations
  • 1.School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
  • 2.Science and Technology on Advanced High Temperature Structural Materials Laboratory, Beijing Institute of Aeronautical Materials, Beijing 100095

    • XU Xiqing (1990-), male, Ph.D., Lecturer. E-mail:

About Author:

XU Xiqing (1990-), male, Ph.D., Lecturer. E-mail:

Published: 2022-09-20 doi: 10.14062/j.issn.0454-5648.20210977
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Investigation on 3D printing of silica ceramic cores is crucial to the development of aviation level in China, but the related problems are high-temperature softening and structural anisotropy. Silica ceramic cores were fabricated by DLP light curing 3D printing technology using fused silica powder as a raw material and mullite powder as a modifier. The results show that the ceramic cores have a layer-packed anisotropic structure. The addition of a small amount of mullite powder promotes the sintering densification of ceramic powder and diffusion binding between printing layers. As a result, the structural anisotropy of ceramic cores is relieved, and the flexural strength is enhanced and tended to isotropy. For ceramic cores with 3% mullite powder, the high-temperature flexural strengths in horizontal and vertical printing are up to 18.5 MPa and 16.3 MPa, respectively, which can satisfy the demands for hollow blade casting.

silica ceramic cores  /  3D printing  /  mullite  /  anisotropy  /  high-temperature strength
许西庆, 樊嘉显, 牛书鑫, 李鑫, 张强, 李杰. 3D打印氧化硅陶瓷型芯的各向异性调控及高温强化性能. 硅酸盐学报, 2022 , 50 (9) : 2422 -2429 . DOI: 10.14062/j.issn.0454-5648.20210977
Xiqing XU, Jiaxian FAN, Shuxin NIU, Xin LI, Qiang ZHANG, Jie LI. Anisotropy Control and High-Temperature Strengthening of Silica Ceramic Cores Fabricated by 3D Printing[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (9) : 2422 -2429 . DOI: 10.14062/j.issn.0454-5648.20210977
Appendix
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Year 2022 volume 50 Issue 9
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Article Info
doi: 10.14062/j.issn.0454-5648.20210977
  • Receive Date：2021-11-16
  • Online Date：2026-10-20
  • Published：2022-09-20
Article Data
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History
  • Received：2021-11-16
  • Revised：2022-01-17
Funding
Affiliations
    1.School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
    2.Science and Technology on Advanced High Temperature Structural Materials Laboratory, Beijing Institute of Aeronautical Materials, Beijing 100095
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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