以2种织物材料为基材,采用化学镀铜的方法,进行铜镀层和吸波涂层复合材料的试验研究.分析了铜镀层的成分结构、织物种类、叠层顺序等因素对复合材料在9.35 GHz下反射率的影响规律,并探讨了铜镀层对吸波特性的影响机制.研究表明,对于织物基材先涂敷吸波涂层再化学镀铜的复合结构,与未氧化的铜镀层相比,空气中氧化8天的铜镀层使无纺布吸波复合材料的反射率峰值由-11 dB降低至-13.2 dB.对于织物基材先化学镀铜再涂敷吸波涂层的复合结构,40℃镀铜与常温镀铜相比,在反射率曲线峰值接近的情况下,吸波材料总厚度下降了约1.4 mm,说明铜镀层可用于改进吸波材料的微波吸收效果.
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