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Design and verification of a single slab RAS through mass production of glass/MWNT added epoxy composite prepreg

机译:通过批量生产玻璃/ MWNT添加的环氧复合预浸料,设计和验证单个平板RAS

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In this study, glass fiber composite prepreg is manufactured with multi-walled carbon nanotube (MWNT) added epoxy using two different methods. Because MWNT agglomeration occurs, the calendering dispersion method is used to resolve this problem. The tensile and shear tests of glass/MWNT 1.8wt % added epoxy composite (CNT18) are conducted and the results are compared with the properties of a commercial glass/epoxy composite (GEP 118). The complex permittivity is measured using a network analyzer and a waveguide in the Ku-band. A single slab radar absorbing structure (RAS) is also designed and verified. It is found that the tensile and shear properties of CNT18 are sufficient to replace GEP 118 as a structural material. Furthermore, the10 dB bandwidth and reflection loss of the RAS using CNT18 is 12.87 to 17.78 GHz (4.91 GHz) and29.2 dB at 14.95 GHz, respectively. The measurement results align well with the simulation results. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42019.
机译:在这项研究中,玻璃纤维复合材料预浸料是使用两种不同的方法,通过添加环氧树脂的多壁碳纳米管(MWNT)制造的。由于发生了MWNT的团聚,因此使用压延分散法来解决此问题。进行了玻璃/ MWNT 1.8wt%的环氧复合材料(CNT18)的拉伸和剪切测试,并将结果与​​商用玻璃/环氧复合材料(GEP 118)的性能进行了比较。使用网络分析仪和Ku波段的波导测量复介电常数。还设计并验证了单个平板雷达吸收结构(RAS)。发现CNT18的拉伸和剪切性能足以代替GEP 118作为结构材料。此外,使用CNT18的RAS的10 dB带宽和反射损耗在14.95 GHz下分别为12.87至17.78 GHz(4.91 GHz)和29.2 dB。测量结果与仿真结果吻合良好。 (c)2015 Wiley Periodicals,Inc. J. Appl。 Polym。科学2015,132,42019。

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