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Research progress in defect analysis and regulation mechanism of ceramic cores in stereolithographic additive manufacturing
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Xuan ZHOU1, 2, Qiaolei LI2, Tingting ZHANG2, Xinyan YUE1, Jingjing LIANG2, 3, Jinguo LI2, 3
Journal of Materials Engineering | 2026, 54(2) : 15 - 27
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Journal of Materials Engineering | 2026, 54(2): 15-27
• CERAMIC ADDITIVE MANUFACTURING AND ITS APPLICATIONS •
Research progress in defect analysis and regulation mechanism of ceramic cores in stereolithographic additive manufacturing
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Xuan ZHOU1, 2, Qiaolei LI2, Tingting ZHANG2, Xinyan YUE1, Jingjing LIANG2, 3, Jinguo LI2, 3
Affiliations
  • 1.School of Materials Science and Engineering，Northeastern University，Shenyang 110819，China
  • 2.Shi -changxu Innovation Center for Advanced Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China
  • 3.CAS Key Laboratory of Space Manufacturing Technology，Beijing 100094，China
Published: 2026-02-20 doi: 10.11868/j.issn.1001-4381.2025.000376
Outline
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Superalloy hollow turbine blades are key components of aero engines， and the ceramic core used for forming the complex cooling channel structure inside the blade is a key transitional component in the blade preparation. The stereolithographic additive manufacturing process for ceramic cores has the advantages of no need for molds， high precision， and short process cycle， providing a reliable new process for the high-precision preparation of complex-structured ceramic cores. Among them， defect control in the additive manufacturing process of cores has become the key to the preparation of high-precision ceramic cores. This work summarizes the current research status of printing， degreasing and sintering defect control at home and abroad. The defect regulation mechanism is summarized， and the research status of defect regulation is reviewed from aspects such as slurry preparation， printing and degreasing-sintering process optimization， and the addition of mineralizers. On this basis， it is proposed that curing behavior， pore distribution law and deep learning are important development directions for future research on ceramic cores.

additive manufacturing  /  ceramic core  /  defect  /  turbine blade  /  precision casting
周璇, 李乔磊, 张婷婷, 岳新艳, 梁静静, 李金国. 光固化增材制造陶瓷型芯缺陷分析及调控机制研究进展. 材料工程, 2026 , 54 (2) : 15 -27 . DOI: 10.11868/j.issn.1001-4381.2025.000376
Xuan ZHOU, Qiaolei LI, Tingting ZHANG, Xinyan YUE, Jingjing LIANG, Jinguo LI. Research progress in defect analysis and regulation mechanism of ceramic cores in stereolithographic additive manufacturing[J]. Journal of Materials Engineering, 2026 , 54 (2) : 15 -27 . DOI: 10.11868/j.issn.1001-4381.2025.000376
Appendix
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Year 2026 volume 54 Issue 2
82
41
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Article Info
doi: 10.11868/j.issn.1001-4381.2025.000376
  • Receive Date：2025-06-30
  • Online Date：2026-10-27
  • Published：2026-02-20
Article Data
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History
  • Received：2025-06-30
  • Accepted：2025-08-03
Funding
Affiliations
    1.School of Materials Science and Engineering，Northeastern University，Shenyang 110819，China
    2.Shi -changxu Innovation Center for Advanced Materials，Institute of Metal Research，Chinese Academy of Sciences，Shenyang 110016，China
    3.CAS Key Laboratory of Space Manufacturing Technology，Beijing 100094，China
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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
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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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