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南昌航空大学黄军同团队:多层氮化硼纳米片主导的多相增强策略,助力双相SiC陶瓷结构强度-吸波功能一体化

  • 2026-06-22 19:21:34
南昌航空大学黄军同团队:多层氮化硼纳米片主导的多相增强策略,助力双相SiC陶瓷结构强度-吸波功能一体化

Journal of 

Advanced Ceramics

2026年第15卷第2期

10.26599/JAC.2025.9221234

导读

在科技快速发展的当下，如航空发动机叶片，尾喷管腔体，精密轴承，抗辐射结构件等，不仅需要足够的机械强度来满足其服役可靠性，还需要具备良好的功能属性以满足多领域使用。碳化硅（SiC）陶瓷具有高强度、高硬度、化学稳定性好等优势，且SiC是一种宽带隙半导体，具有可调的介电性能，因此可作为在恶劣条件下应用的电磁波吸收材料，然而其低的断裂韧性与原始强度制约了SiC陶瓷的更大范围使用。
多层氮化硼纳米片（MBNS）因其与多层石墨烯（MLG）在结构和力学性能上的相似性，成为极具前景的二维结构功能增强材料。然而，MBNS在可扩展制备及有效界面组装方面的挑战，限制了其在陶瓷基材料中的应用。同时诸如超材料及多孔材料等往往更受电磁波吸收（EMA）领域研究者的青睐，这出于对电磁波的多重反射捕获空间、轻质化与高自由设计度的考虑。然而其本征结构强度（强度、韧性和硬度等）往往受到目的性的设计而被严重蚕食。因此在某些极端工作条件下，如高负载、高温高压、腐蚀辐射环境，其性能往往将不再可靠。
本文利用三辊差速剥离技术成功大批量制备了MBNS，创新设计了MBNS主导的复合增强相与双相SiC基体电磁吸波性能优化策略。该方法通过协同强韧化机制，使陶瓷材料的抗折强度提升~95%（477MPa），韧性提升~50%（6.03）；同时在低匹配厚度下，实现了-52.59dB@1.22mm的最小反射损耗与覆盖整个Ku波段的5.6GHz@1.09mm的优异电磁波吸收性能。这项工作实现了SiC陶瓷结构强度与吸波功能的一体化，为恶劣环境下服役的先进复合材料设计提供了新范式。

文章亮点

通过三辊差速剥离技术，成功低成本、大批量地制备了结构完好的MBNS。针对以MBNS为主的复合增强相与双相α/β-SiC基体，创新性地设计了有效的改性增强策略，成功制备了MBNS增强的双相SiC复合陶瓷，验证了MBNS及改性增强策略对于SiC陶瓷强度与吸波性能的双重提升作用。

作者及研究团队简介

黄军同（通讯作者），南昌航空大学教授、博导、主要从事无机非金属基复合材料的结构功能一体化设计、制备与性能调控研究。

夏阳（共同第一作者），中科院上海硅酸盐研究所博士研究生。主要从事碳化物陶瓷的结构强化与功能一体化的设计、制备与研究.

吴铭轩（共同第一作者）,南昌航空大学硕士研究生。主要从事陶瓷基复合材料结构与功能的设计、制备与研究。

Cite this article:

Xia Y, Wu M-X, Huang J-T, et al. Facilitating structural strengthening and electromagnetic wave absorption functionalization of dual-phase SiC ceramics via MBNS-dominated multiphase reinforcement strategy. Journal of Advanced Ceramics, 2026, 15(2): 9221234. https://doi.org/10.26599/JAC.2025.9221234

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  1. CONNECT:[ UseTime:0.000537s ] mysql:host=127.0.0.1;port=3306;dbname=aa460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000754s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000327s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000283s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000552s ]
  6. SELECT * FROM `set` [ RunTime:0.000246s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000678s ]
  8. SELECT * FROM `article` WHERE `id` = 525655 LIMIT 1 [ RunTime:0.000396s ]
  9. UPDATE `article` SET `lasttime` = 1782289291 WHERE `id` = 525655 [ RunTime:0.003025s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000244s ]
  11. SELECT * FROM `article` WHERE `id` < 525655 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000436s ]
  12. SELECT * FROM `article` WHERE `id` > 525655 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000471s ]
  13. SELECT * FROM `article` WHERE `id` < 525655 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000612s ]
  14. SELECT * FROM `article` WHERE `id` < 525655 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002196s ]
  15. SELECT * FROM `article` WHERE `id` < 525655 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000694s ]
0.080376s