• Journal of Inorganic Materials
  • Vol. 40, Issue 3, 245 (2025)
Jie YIN1,2, Jiayi GENG1,2, Kanglong WANG1, Zhongming CHEN1..., Xuejian LIU1,2 and Zhengren HUANG1,2,3,*|Show fewer author(s)
Author Affiliations
  • 11. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
  • 22. School of Optoelectronics, University of Chinese Academy of Sciences, Beijing 101408, China
  • 33. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
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    DOI: 10.15541/jim20240344 Cite this Article
    Jie YIN, Jiayi GENG, Kanglong WANG, Zhongming CHEN, Xuejian LIU, Zhengren HUANG. Recent Advances in 3D Printing and Densification of SiC Ceramics[J]. Journal of Inorganic Materials, 2025, 40(3): 245 Copy Citation Text show less
    Schematic diagrams of typical 3D printing technology for ceramics[13]
    1. Schematic diagrams of typical 3D printing technology for ceramics[13]
    Schematic diagram of SiC mirror preparation process[15]
    2. Schematic diagram of SiC mirror preparation process[15]
    Schematic illustration of the fabrication process of 3D-SiC using PCS-based gels[17]
    3. Schematic illustration of the fabrication process of 3D-SiC using PCS-based gels[17]
    Fabrication process of SiC ceramic based on SLA and RMI[24]
    4. Fabrication process of SiC ceramic based on SLA and RMI[24]
    Schematic illustration of the procedure for fabricating Si/SiC lattice structures by SLS technology[30]
    5. Schematic illustration of the procedure for fabricating Si/SiC lattice structures by SLS technology[30]
    Schematic diagram of the fabrication principles of SiC composites (SLS+RMI)[12]
    6. Schematic diagram of the fabrication principles of SiC composites (SLS+RMI)[12]
    Effects of carbon density on densities and flexure strengths of SiC ceramics fabricated by SLS+RMI[40]
    7. Effects of carbon density on densities and flexure strengths of SiC ceramics fabricated by SLS+RMI[40]
    Preparation of SiC ceramics by SLS combined with 7 PIPs[41]
    8. Preparation of SiC ceramics by SLS combined with 7 PIPs[41]
    Schematic diagram of the microstructural changes in the liquid-phase sintering process[52]
    9. Schematic diagram of the microstructural changes in the liquid-phase sintering process[52]
    Sintering methodSintering temperature/℃Mechanical propertyFracture mechanismMass transfer
    Solid-phase sintering2000-2200High flexure strength, low fracture toughness, and being sensitive to cracksTransgranular fractureDiffusion
    Liquid-phase sintering1850-2000High flexure strength and fracture toughnessIntergranular fractureViscous flow
    Table 1. Characteristics of solid-phase sintered and liquid-phase sintered SiC ceramics[50]
    Additive manufacturing process Mechanical propertyAdvantageChallengeRef.
    FDMBulk density: 3.12 g/cm3Flexure strength: 465 MPaBeing simple, efficient preparation process and low requirements for equipmentPoor surface roughness, additional support for complex structures, and obvious step effect of layered structure[60]
    DIWBulk density: 3 g/cm3Flexure strength: 406.1 MPaHigh adaptability of raw materials, simple preparation process, and low manufacturing costDimensional restrictions, and low precision[16]
    SLABulk density: 2.85 g/cm3Flexure strength: 234.8 MPaHigh printing accuracy and surface finish, enabling design of macro- and micro-structuresLow green body strength, additional support structures required for complex structures, and toxic photosensitive resins[23]
    SLSBulk density: 3.1 g/cm3Flexure strength: 794 MPaHigh molding efficiency, and recoverable powderHigh thermal stress, and being prone to defects[39]
    Table 2. Mechanical properties, advantages and challenges of SiC ceramics by 3D printing techniques[16,23,39,60]
    Jie YIN, Jiayi GENG, Kanglong WANG, Zhongming CHEN, Xuejian LIU, Zhengren HUANG. Recent Advances in 3D Printing and Densification of SiC Ceramics[J]. Journal of Inorganic Materials, 2025, 40(3): 245
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