【摘要】 研究了SiC纤维正交电路屏/环氧树脂复合材料和化学镀镍SiC纤维正交电路屏/环氧树脂复合材料的吸波性能。研究发现,纤维间距、镀镍纤维增重率对复合材料的吸波性能有显著影响。对于前者,纤维间距较宽时(如:8mm,6mm),材料的吸波效果很差,随着纤维间距进一步减小(6mm→4mm→2mm),材料的有效带宽和最大吸收峰值均明显增大;对于后者,随着纤维间距或增重率的增大,材料的总体吸波效果先增强后减弱。更多还原

【Abstract】 Radar absorption performances of orthogonal-arranged SiC_f circuit/epoxy composite and orthogonal-arranged electroless-nikel-plated SiC_f circuit/epoxy composite were studied. The results showed that radar absorption performances of the composites were deeply affected by the distance between SiC_f and the rate of mass growth of the nikel coating. As to the former, with the decrease of the distance between SiC_f, radar absorption bandwidth and the maximum absorption peak exhibited an enhancement, as though radar absorption effect was weak when the distance was wide （such as 8mm, 6mm）; as to the latter, with the increase of the distance or the rate of weight growth, radar absorption performance exhibited an increase and then followed by a decline.更多还原