RESEARCH ON FREQUENCY SELECTIVE AND WAVE-TRANSPARENT PROPERTIES OF CYANATE ESTER RESIN REINFORCED BY QUARTZ FIBRE

Abstract

Abstract: Quartz fibre was used as reinforcement materials, cyanate ester resin was used as matrix, aramid paper honeycomb was used as core, cyanate ester resin/acetone solution was used as impregnating solution, skin plate, A-sandwich and C-sandwich composite plate were prepared with vacuum bag molding process. Mechanical properties was tested, the influence of different impregnating solution ratio on mechanical properties was studied. When the ratio is 1∶1,it shows best mechanical properties, which meets the strength requirement for radome. The influence of sandwich composite skin's thickness on electrical properties was investigated. It was found that when the skin's thickness is 0.6 mm, the loss of electromagnetic beyond 14 GHz is obviously decreased. Two types of FSS was embedded into A-sandwich and C-sandwich structures respectively, it meets the frequency selective and wave-transparent function in two frequency channel (channel Ⅰ: 33 GHz~34 GHz; channel Ⅱ: 11.5 GHz~14.5 GHz).

Key words: quartz fibre, cyanate ester resin, polymer-matrix composites, radome, frequency selective surface, wave-transparent, sandwich structure

CLC Number:

TB332

LI Qing, CHE Yong-xing, ZHAO Jing, CHAI Peng-jun. RESEARCH ON FREQUENCY SELECTIVE AND WAVE-TRANSPARENT PROPERTIES OF CYANATE ESTER RESIN REINFORCED BY QUARTZ FIBRE[J]. COMPOSITES SCIENCE AND ENGINEERING, 2020, 0(12): 115-120.

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