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High-temperature-resistant structural wave-absorbing composite material and preparation method thereof
The invention discloses a wave-absorbing composite material with a high-temperature-resistant structure, which is formed by sequentially laminating a 0.2-2mm thick surface layer, a 2-10mm thick mixed layer and a 0.2-2mm thick reflecting layer, the surface layer is made of a metal net or a metal foam reinforced composite material, the mixed layer is made of a ceramic matrix composite material with a periodic structure, and the reflecting layer is made of metal with the porosity of 0-5%. The preparation method of the composite material comprises the steps of reinforcement preparation, surface layer preparation, interface preparation, matrix preparation and reflecting layer preparation. The wave-absorbing performance of the silicon carbide ceramic-based composite material at high temperature is improved, the prepared structure-modified wave-absorbing material has high temperature resistance and structural strength, the problem that the wave-absorbing performance of a traditional wave-absorbing material at high temperature is unstable is solved, and structure and function integration is effectively achieved.
本发明公开了一种耐高温结构吸波复合材料，由0.2～2mm厚表面层、2～10mm厚混合层和0.2～2mm厚反射层依次叠层而成，表面层为金属网或金属泡沫增强复合材料，混合层为具周期性结构的陶瓷基复合材料，所述反射层为气孔率0～5％的金属。该复合材料的制备方法包括：增强体制备、表面层制备、界面制备、基体制备和反射层制备。本发明改善了碳化硅陶瓷基复合材料在高温下的吸波性能，制备的结构改性的吸波材料具有耐高温性和结构强度，解决了传统吸波材料高温下吸波性能不稳定的问题，有效地实现结构功能一体化。
High-temperature-resistant structural wave-absorbing composite material and preparation method thereof
The invention discloses a wave-absorbing composite material with a high-temperature-resistant structure, which is formed by sequentially laminating a 0.2-2mm thick surface layer, a 2-10mm thick mixed layer and a 0.2-2mm thick reflecting layer, the surface layer is made of a metal net or a metal foam reinforced composite material, the mixed layer is made of a ceramic matrix composite material with a periodic structure, and the reflecting layer is made of metal with the porosity of 0-5%. The preparation method of the composite material comprises the steps of reinforcement preparation, surface layer preparation, interface preparation, matrix preparation and reflecting layer preparation. The wave-absorbing performance of the silicon carbide ceramic-based composite material at high temperature is improved, the prepared structure-modified wave-absorbing material has high temperature resistance and structural strength, the problem that the wave-absorbing performance of a traditional wave-absorbing material at high temperature is unstable is solved, and structure and function integration is effectively achieved.
本发明公开了一种耐高温结构吸波复合材料，由0.2～2mm厚表面层、2～10mm厚混合层和0.2～2mm厚反射层依次叠层而成，表面层为金属网或金属泡沫增强复合材料，混合层为具周期性结构的陶瓷基复合材料，所述反射层为气孔率0～5％的金属。该复合材料的制备方法包括：增强体制备、表面层制备、界面制备、基体制备和反射层制备。本发明改善了碳化硅陶瓷基复合材料在高温下的吸波性能，制备的结构改性的吸波材料具有耐高温性和结构强度，解决了传统吸波材料高温下吸波性能不稳定的问题，有效地实现结构功能一体化。
High-temperature-resistant structural wave-absorbing composite material and preparation method thereof
一种耐高温结构吸波复合材料及其制备方法
CHEN ZHAOFENG (author) / XIAO QIQIAO (author) / YANG LIXIA (author)
2022-06-14
Patent
Electronic Resource
Chinese
IPC:
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
C04B
Kalk
,
LIME
/
H01Q
Antennen
,
ANTENNAS, i.e. RADIO AERIALS
/
H05K
PRINTED CIRCUITS
,
Gedruckte Schaltungen
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