<trans-title xml:lang="en">Recent Advances in 3D Printing and Densification of SiC Ceramics</trans-title>

Jie YIN; Jiayi GENG; Kanglong WANG; Zhongming CHEN; Xuejian LIU; Zhengren HUANG

doi:10.15541/jim20240344

Journal of Inorganic Materials, Volume. 40, Issue 3, 245(2025)

Recent Advances in 3D Printing and Densification of SiC Ceramics

Jie YIN^1,2, Jiayi GENG^1,2, Kanglong WANG¹, Zhongming CHEN¹, Xuejian LIU^1,2, and Zhengren HUANG^1,2,3、*

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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Figures & Tables(11)

1. Schematic diagrams of typical 3D printing technology for ceramics^[13]

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2. Schematic diagram of SiC mirror preparation process^[15]

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3. Schematic illustration of the fabrication process of 3D-SiC using PCS-based gels^[17]

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4. Fabrication process of SiC ceramic based on SLA and RMI^[24]

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5. Schematic illustration of the procedure for fabricating Si/SiC lattice structures by SLS technology^[30]

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6. Schematic diagram of the fabrication principles of SiC composites (SLS+RMI)^[12]

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7. Effects of carbon density on densities and flexure strengths of SiC ceramics fabricated by SLS+RMI^[40]

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8. Preparation of SiC ceramics by SLS combined with 7 PIPs^[41]

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9. Schematic diagram of the microstructural changes in the liquid-phase sintering process^[52]

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Table 1. Characteristics of solid-phase sintered and liquid-phase sintered SiC ceramics^[50]

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Table 1. Characteristics of solid-phase sintered and liquid-phase sintered SiC ceramics^[50]

Sintering method	Sintering temperature/℃	Mechanical property	Fracture mechanism	Mass transfer
Solid-phase sintering	2000-2200	High flexure strength, low fracture toughness, and being sensitive to cracks	Transgranular fracture	Diffusion
Liquid-phase sintering	1850-2000	High flexure strength and fracture toughness	Intergranular fracture	Viscous flow

Table 2. Mechanical properties, advantages and challenges of SiC ceramics by 3D printing techniques^{[16,23,39,60]}

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Table 2. Mechanical properties, advantages and challenges of SiC ceramics by 3D printing techniques^{[16,23,39,60]}

Additive manufacturing process	Mechanical property	Advantage	Challenge	Ref.
FDM	Bulk density: 3.12 g/cm³Flexure strength: 465 MPa	Being simple, efficient preparation process and low requirements for equipment	Poor surface roughness, additional support for complex structures, and obvious step effect of layered structure	[60]
DIW	Bulk density: 3 g/cm³Flexure strength: 406.1 MPa	High adaptability of raw materials, simple preparation process, and low manufacturing cost	Dimensional restrictions, and low precision	[16]
SLA	Bulk density: 2.85 g/cm³Flexure strength: 234.8 MPa	High printing accuracy and surface finish, enabling design of macro- and micro-structures	Low green body strength, additional support structures required for complex structures, and toxic photosensitive resins	[23]
SLS	Bulk density: 3.1 g/cm³Flexure strength: 794 MPa	High molding efficiency, and recoverable powder	High thermal stress, and being prone to defects	[39]

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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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Paper Information

Category:

Received: Jul. 19, 2024

Accepted: --

Published Online: Apr. 24, 2025

The Author Email: Zhengren HUANG (zhrhuang@mail.sic.ac.cn)

DOI:10.15541/jim20240344

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Characteristics of solid-phase sintered and liquid-phase sintered SiC ceramics[50]

Table 1. Characteristics of solid-phase sintered and liquid-phase sintered SiC ceramics[50]

Table 2. Mechanical properties, advantages and challenges of SiC ceramics by 3D printing techniques[16,23,39,60]

Table 2. Mechanical properties, advantages and challenges of SiC ceramics by 3D printing techniques[16,23,39,60]

Table 1. Characteristics of solid-phase sintered and liquid-phase sintered SiC ceramics^[50]

Table 1. Characteristics of solid-phase sintered and liquid-phase sintered SiC ceramics^[50]

Table 2. Mechanical properties, advantages and challenges of SiC ceramics by 3D printing techniques^{[16,23,39,60]}

Table 2. Mechanical properties, advantages and challenges of SiC ceramics by 3D printing techniques^{[16,23,39,60]}