Thermal anisotropy in chopped C<sub>f</sub> reinforced SiC composites by laser printing and polymer infiltration-pyrolysis techniques

Thermal anisotropy in chopped C_f reinforced SiC composites by laser printing and polymer infiltration-pyrolysis techniques

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Huisheng Tian^a^,^b, Yan Zhou^a^,^c, Jie Yin^a^,^b^,^*, Buhao Zhang^d, Li Wang^a^,^e, Jiayi Geng^a^,^b, Zhengren Huang^a^,^b^,^e^,^**

Journal of Materiomics | 2026, 12(2) : 101124

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Journal of Materiomics | 2026, 12(2): 101124

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Thermal anisotropy in chopped C_f reinforced SiC composites by laser printing and polymer infiltration-pyrolysis techniques

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Huisheng Tian^a^,^b, Yan Zhou^a^,^c, Jie Yin^a^,^b^,^*, Buhao Zhang^d, Li Wang^a^,^e, Jiayi Geng^a^,^b, Zhengren Huang^a^,^b^,^e^,^**

Affiliations

^aState Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China

^bCollege of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, China

^cSchool of Materials Science and Engineering, Shanghai University, Shanghai, 200072, China

^dFaculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK

^eSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China

Published: 2026-03-20 doi: 10.1016/j.jmat.2025.101124

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Abstract

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Directional thermal transport materials enable anisotropic heat flow, thereby enhancing the efficiency of thermal management systems. These materials have found broad applications in aerospace, electronics, and automotive industries. Silicon carbide (SiC) based composites, with their exceptional properties including high modulus, thermal stability, and superior thermal conductivity, serve as an ideal structural material. Strategic manipulation over microstructure and composition enables directional thermal management, expanding applicability in thermal management and achieving structural-functional integration. By combining selective laser printing with precursor impregnation and pyrolysis (PIP), this work presents an innovative approach to fabricating thermally anisotropic C_f/SiC composites that integrate both structural and functional properties. The optimized composite (20% (in volume) chopped C_f) exhibited high fiber alignment (f_p = 0.7677) and pronounced thermal anisotropy, with thermal conductivities of 70.14 W/(m·K) perpendicular and 38.87 W/(m·K) parallel to the printing plane (anisotropy ratio: 1.8). This directional heat transport, enabled by fiber orientation and phonon scattering control, is critical for advanced thermal management. The composite also maintained good mechanical strength, exhibiting a flexural strength of (150.4 ± 9.8) MPa parallel to the printing plane, finalizing in a structural and functional integration.

Key words

Directional thermal transport / Structural-functional integration / Selective laser printing / Precursor impregnation and pyrolysis / C_f/SiC composites

Cite this Article

Huisheng Tian, Yan Zhou, Jie Yin, Buhao Zhang, Li Wang, Jiayi Geng, Zhengren Huang. Thermal anisotropy in chopped C_f reinforced SiC composites by laser printing and polymer infiltration-pyrolysis techniques[J]. Journal of Materiomics, 2026 , 12 (2) : 101124 - . DOI: 10.1016/j.jmat.2025.101124

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Funding

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National Natural Science Foundation of China(52073299; 52172077; U23A20563)
National Key R&D Program of China(2024YFB3714704)

Appendix

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Year 2026 volume 12 Issue 2

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Article Info

doi: 10.1016/j.jmat.2025.101124

Receive Date：2025-06-08
Online Date：2026-08-13
Published：2026-03-20

Article Data

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History

Received：2025-06-08
Revised：2025-07-13
Accepted：2025-07-31

Funding

National Natural Science Foundation of China(52073299; 52172077; U23A20563)

National Key R&D Program of China(2024YFB3714704)

Affiliations

^aState Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China

^bCollege of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing, 100049, China

^cSchool of Materials Science and Engineering, Shanghai University, Shanghai, 200072, China

^dFaculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK

^eSchool of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China

Corresponding:

^* State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China.E-mail addresses: jieyin@mail.sic.ac.cn (J. Yin)

^** State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China. zhrhuang@mail.sic.ac.cn (Z. Huang).

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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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