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Excellent electromagnetic shielding materials is the best choice to protect human health and maintain the normal operation of instruments and equipment. Silicon nitride-based ceramics containing carbon fibers, with high electrical conductivity and strong electromagnetic shielding performance, were prepared by using spark plasma sintering (SPS). Firstly, the introduction of carbon fiber led to an increase in the dielectric constant of the composite ceramics, the impedance mismatch of the sample surface was increased, so that more the electromagnetic waves were reflected. Secondly, since high content carbon fiber was introduced, a relatively complete three-dimensional conductive network was formed in the silicon nitride matrix, leading to a conductivity of 2.15 S·m-1. The incident electromagnetic wave is absorbed due to the dielectric loss of the materials. Finally, when 7 wt.% carbon fiber was introduced, Vickers hardness, fracture toughness and electromagnetic shielding effectiveness of the composite ceramics reached 11.90 GPa, 6.05 MPa·m1/2 and 46 dB, respectively.
ZHANG Y L, GU J W. A perspective for developing polymerbased electromagnetic interference shielding composites [J]. Nano-Micro Letters, 2022, 14(1): 89.
WEI Z J, XIE Z X, HU X X, et al. Polymer Bulletin, 2023, 36(12): 1646–1659.
WU J K, XIE H Y, JI C L, et al. Polymer Bulletin, 2024, 37(5): 640–658.
WANG F C, ZHU L, YU J R, et al. Journal of Jiangxi Science & Technology Normal University, 2023(6): 5–16.
WANG X Y, LIAO S Y, WAN Y J, et al. Electromagnetic interference shielding materials: Recent progress, structure design, and future perspective [J]. Journal of Materials Chemistry C, 2022, 10(1): 44–72.
ZENG X J, JIANG X, NING Y, et al. Construction of dual heterogeneous interface between zigzag-like Mo–MXene nanofibers and small CoNi@NC nanoparticles for electromagnetic wave absorption [J]. Journal of Advanced Ceramics, 2023, 12(8): 1562–1576.
YANG F, YAO J R, DU W B, et al. Ice-templated assembly strategy to construct oriented porous Ti3SiC2 ceramics for thermal management and electromagnetic interference shielding in harsh thermal environments [J]. Journal of the European Ceramic Society, 2023, 43(8): 3112–3121.
WEN Q B, YU Z J, LIU X M, et al. Mechanical properties and electromagnetic shielding performance of single-source-precursor synthesized dense monolithic SiC/HfCxN1−x/C ceramic nanocomposites [J]. Journal of Materials Chemistry C, 2019, 7(34): 10683–10693.
WANG C H, LIU Y S, ZHAO M X, et al. Effects of upgrading temperature on electromagnetic shielding properties of threedimensional graphene/SiBCN/SiC ceramic composites [J]. Ceramics International, 2019, 45(17): 21278–21285.
WU Q W, HU F, XIE Z P. Journal of Ceramics, 2018, 39(1): 13–19.
ZHAO Z J, LEI J X, SHEN H X, et al. Journal of Ceramics, 2021, 42(4): 601–606.
WANG C H, LIU Y S, YOU Q W, et al. Effect of the pyrolytic carbon (PyC) content on the dielectric and electromagnetic interference shielding properties of layered SiC/PyC porous ceramics [J]. Ceramics International, 2019, 45(5): 5637–5647.
ZHU L N, ZENG S F, TENG Z, et al. Significantly enhanced electromagnetic interference shielding in Al2O3 ceramic composites incorporated with highly aligned non-woven carbon fibers [J]. Ceramics International, 2019, 45(10): 12672–12676.
YANG X T, FAN S G, LI Y, et al. Synchronously improved electromagnetic interference shielding and thermal conductivity for epoxy nanocomposites by constructing 3D copper nanowires/thermally annealed graphene aerogel framework [J]. Composites Part A: Applied Science and Manufacturing, 2020, 128: 105670.
GUO W M, GU S X, SU G K, et al. Advanced Ceramics, 2016, 37(2): 94–106.
JIANG X, LI B, HE B, et al. Journal of Synthetic Crystals, 2024, 53(2): 276–285.
HUANG H Z, LI B, ZHAO C, et al. Journal of Ceramics, 2024, 45(1): 89–96.
ZHOU W, YIN R M, LONG L, et al. SiC nanofibers modified Si3N4 ceramics for improved electromagnetic interference shielding in X-band [J]. Ceramics International, 2018, 44(2): 2249–2254.
CHENG C B, JIANG Y L, SUN X, et al. Tunable negative permittivity behavior and electromagnetic shielding performance of silver/silicon nitride metacomposites [J]. Composites Part A: Applied Science and Manufacturing, 2020, 130: 105753.
WANG L J, LIU X J, QIAO Z H. Journal of Ceramics, 2022, 43(6): 958–970.
WU L E, JIANG Y. The influence of sintering temperature on properties and microstructure of TiN/Si3N4 composite [J]. Key Engineering Materials, 2012, 512/513/514/515: 878–882.
UL HASSAN R, SHAHZAD F, ABBAS N, et al. Ceramic based multi walled carbon nanotubes composites for highly efficient electromagnetic interference shielding [J]. Journal of Materials Science: Materials in Electronics, 2019, 30(14): 13381–13388.
CHEN M, YIN X W, LI M, et al. Electromagnetic interference shielding properties of silicon nitride ceramics reinforced by in situ grown carbon nanotubes [J]. Ceramics International, 2015, 41(2): 2467–2475.
HU D L, XING J J, ZHENG Q, et al. Journal of Inorganic Materials, 2014, 29(10): 1105–1109.
CHUNG F H. Quantitative interpretation of X-ray diffraction patterns of mixtures. Ⅲ. Simultaneous determination of a set of reference intensities [J]. Journal of Applied Crystallography, 1975, 8(1): 17–19.
HU Z Y, ZHANG Z H, CHENG X W, et al. A review of multi-physical fields induced phenomena and effects in spark plasma sintering: Fundamentals and applications [J]. Materials & Design, 2020, 191: 108662.
LIANG J, ZHAO X T, KANG S L, et al. Microstructural evolution of ZnO via hybrid cold sintering/spark plasma sintering [J]. Journal of the European Ceramic Society, 2022, 42(13): 5738–5746.
ZHOU W, ZHANG Y T, WANG J J, et al. Journal of the Chinese Ceramic Society, 2021, 49(9): 1916–1927.
ZUO F, MENG F, LIN D T, et al. Effect of current pattern and conductive phase on sintering behavior of Si3N4-based ceramic composite [J]. Ceramics International, 2018, 44(8): 9561–9567.
MU X Y, CHEN Z Q, ZHANG S, et al. Mechanism of improving the mechanical properties of Si3N4/TiC ceramic tool materials prepared by spark plasma sintering [J]. International Journal of Applied Ceramic Technology, 2023, 20(4): 2422–2437.
LEE C H, LU H H, WANG C A, et al. Influence of conductive nano-TiC on microstructural evolution of Si3N4-based nanocomposites in spark plasma sintering [J]. Journal of the American Ceramic Society, 2011, 94(3): 959–967.
ZHOU M Y, RODRIGO D, CHENG Y B. Effects of the electric current on conductive Si3N4/TiN composites in spark plasma sintering [J]. Journal of Alloys and Compounds, 2013, 547: 51–58.
BAI J L, HUANG S J, YAO X M, et al. Surface engineering of nanoflower-like MoS2 decorated porous Si3N4 ceramics for electromagnetic wave absorption [J]. Journal of Materials Chemistry A, 2023, 11(12): 6274–6285.
SANG G L, WANG C, ZHAO Y, et al. Ni@CNTs/Al2O3 ceramic composites with interfacial solder strengthen the segregated network for high toughness and excellent electromagnetic interference shielding [J]. ACS Applied Materials & Interfaces, 2022, 14(3): 4443–4455.
BAI J L, HUANG S J, YAO X M, et al. Construction of the SiC nanowires network structure decorated by MoS2 nanoflowers in porous Si3N4 ceramics for electromagnetic wave absorption [J]. Chemical Engineering Journal, 2023, 469: 143809.
ZENG X J, ZHAO C, JIANG X, et al. Functional tailoring of multi-dimensional pure MXene nanostructures for significantly accelerated electromagnetic wave absorption [J]. Small, 2023, 19(41): 2303393.
ZHANG Y Y, SUN J, WANG Y Q, et al. SiCN ceramics with controllable carbon nanomaterials for electromagnetic absorption performance [J]. Journal of the American Ceramic Society, 2023, 106(7): 4220–4232.
YANG Z, ZHU N, REN W, et al. Enhanced microwave absorption and electromagnetic shielding property of (1−x)K0.5Na0.5NbO3~xAl2O3 nano-ceramics [J]. Ceramics International, 2020, 46(14): 22738–22744.
WANG S, GONG H Y, ASHFAQ M Z, et al. Embedding magnetic 3D carbon skeleton in SiCN ceramics for high-performance electromagnetic shielding [J]. Composites Communications, 2023, 39: 101547.
WEI H J, YU Y P, JIANG F R, et al. Carbon@SiC(SiCnws)-Sc2Si2O7 ceramics with multiple loss mediums for improving electromagnetic shielding performance [J]. Journal of the European Ceramic Society, 2022, 42(5): 2274–2281.