Ablation behavior of inorganic particle-filled polybenzoxazine composite coating irradiated by high-intensity continuous laser
Ablation behavior of inorganic particle-filled polybenzoxazine composite coating irradiated by high-intensity continuous laser
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高强度连续激光辐照下无机颗粒填充聚苯并恶嗪复合涂层的烧蚀行为
DOI：
10.1016/j.ceramint.2019.04.233
复制
发表时间：
2019-08
影响因子：
5.2
通讯作者：
Wang Fuchi
中科院分区：
文献类型：
--
作者：
Xu Feng;Zhu Shizhen;Ma Zhuang;Li Hezhang;Wang Jiawei;Wu Taotao;Wang Fuchi
高强度连续激光器在军事防御领域的广泛应用，威胁着飞机结构材料的进一步利用。为了保护飞机结构免受激光损伤，在基材上制备了聚磷酸铵填充的聚苯并恶嗪复合涂层。研究了涂层的抗激光烧蚀特性。结果表明，无机填料的加入提高了聚苯并恶嗪的抗激光烧蚀性能。与纯聚苯并恶嗪涂层相比，复合涂层覆盖基材后表面温度降低50%以上。此外，复合涂层的残留物可以垂直分为三个不同的区域，其中致密的表面炭层和多孔的热解层作为激光束的屏蔽层，防止任何与热相关的转化发生。无机粒子的加入提高了涂层的表面反射率，导致了更多的激光能量耗散。热解速率的降低保证了热解气的气动冷却效果更加持久和稳定，因此复合涂层作为有效热保护层的作用时间更长。这些结果证实了无机填料改性聚苯并恶嗪涂层具有优异的抗激光性能，适用于保护结构材料免受激光损伤。
Further utilization of aircraft structural materials is threatened by the fact that high-intensity continuous lasers are widely used in the field of military defense. To protect the aircraft structure from laser damage, ammonium polyphosphate filled polybenzoxazine composite coatings were prepared on the substrate. The anti-laser ablation characteristics of the coatings were investigated. Results showed that the addition of the inorganic filler improved the anti-laser ablation performance of polybenzoxazine. The back-surface temperature of substrates covered with the composite coatings was more 50% lower than that in the case of a pure polybenzoxazine coating after laser ablation. Further, the residue of the composite coating could be vertically divided into three distinct regions, with the dense surface char layer and the porous pyrolysis layer acting as shielding layers for the laser beam and preventing any heat-related transformations from occurring. The addition of the inorganic particles improved the surface reflectivity of the coatings resulting in much more laser energy dissipation. The decreased pyrolysis rate ensured that the pneumatic cooling effect of pyrolysis gas was more lasting and stable, owing to which the composite coatings could act as effective thermal protection layer for longer. These results confirmed that the inorganic filler modified polybenzoxazine coating exhibits excellent anti-laser properties and are suitable for protecting structural materials from laser-related damage.
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DOI：
10.3724/sp.j.1077.2012.00157
发表时间：
2012
期刊：
--
影响因子：
--
作者：
Yu Qing-chun;Wan Hong
通讯作者：
Yu Qing-chun;Wan Hong
DOI：
--
发表时间：
2014
期刊：
Journal of Aeronautical Materials
影响因子：
--
作者：
Li Jin
通讯作者：
Li Jin
纳米铜颗粒填充酚醛基纳米复合涂层的激光烧蚀行为
影响因子：
13.1
作者：
Ma, Chen;Ma, Zhuang;Ishida, Hatsuo
通讯作者：
Ishida, Hatsuo
DOI：
10.1080/00222348.2013.810101
发表时间：
2014-01
期刊：
Journal of Macromolecular Science, Part B
影响因子：
--
作者：
Qu Hongqiang;Wu Weihong;Hao Jian-wei;Sun Jian-hong;Xu Jianzhong
通讯作者：
Qu Hongqiang;Wu Weihong;Hao Jian-wei;Sun Jian-hong;Xu Jianzhong
影响因子：
4.5
作者：
S. Lu;C. Blanco;S. Appleyard;C. Hammond;B. Rand
通讯作者：
S. Lu;C. Blanco;S. Appleyard;C. Hammond;B. Rand