The invention discloses an encodable patterned heat prevention and insulation/bearing/broadband stealth multifunctional integrated structure, and belongs to the field of multifunctional integrated structures of hypersonic aircrafts. According to the invention, the aerogel doped with the wave-absorbing material and the magnetic particles is compounded with different fibers to prepare the composite aerogel heat-insulating fiber, so that the composite aerogel heat-insulating fiber has excellent comprehensive properties such as heat-insulating property, mechanical property, broadband wave-absorbing property and the like. The phase-change material is absorbed into the porous structure to prepare the composite phase-change material which is stable in molding, heat is absorbed by utilizing the energy storage characteristics of high phase-change latent heat and high heat capacity of the phase-change material, the composite wave-absorbing material is formed by utilizing the wave-absorbing material and the magnetic particles, and the impedance matching effect and the effective wave-absorbing bandwidth are improved. The optimal three-dimensional pattern layout structure is formed through optimization design and patterning treatment of the multifunctional coupling structure, and the encodable patterning heat prevention and insulation/bearing/broadband stealth multifunctional integrated structure is achieved in combination with an assembly forming process of a multi-layer material.
本发明公开的一种可编码图案化防隔热/承载/宽频隐身多功能一体化结构,属于高超声速飞行器多功能一体化结构领域。本发明将掺杂有吸波材料和磁性粒子的气凝胶与不同纤维复合,制备出复合气凝胶绝热纤维,使其具有优异的隔热性能、力学性能和宽频吸波等综合性能。将相变材料吸收到多孔结构中制备出成型稳定的复合相变材料,利用相变材料具有的高相变潜热、高热容的储能特点来吸收热量,利用吸波材料和磁性粒子形成复合吸波材料,提高阻抗匹配效果和有效吸波带宽。通过多功能耦合结构优化设计和图案化处理,形成所述最优立体图案布局结构,结合多层材料的组装成型工艺,实现可编码图案化防隔热/承载/宽频隐身多功能一体化结构。
Codable patterned heat prevention and insulation/bearing/broadband stealth multifunctional integrated structure
可编码图案化防隔热/承载/宽频隐身多功能一体化结构
2022-10-25
Patent
Electronic Resource
Chinese
British Library Conference Proceedings | 1994
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