【摘要】 先通过溶胀浸银预处理Kevlar~?芳纶纤维,然后依次进行化学镀镍、化学镀铜和电镀银,在纤维表面得到均匀、致密的Ni/Cu/Ag层。采用扫描电镜(SEM)和X射线衍射仪(XRD)分析了Kevlar~?纤维经不同工序处理后的表面形貌和结构,考察了Ni/Cu/Ag层的结合力、耐蚀性、力学性能和热稳定性。结果显示,所得Ag/Cu/Ni/Kevlar~?纤维表面金属层的结合力和耐蚀性良好,基本保持了Kevlar~?纤维基体原有的力学性能和热稳定性。更多还原

【Abstract】 The Kevlar~?aramid fiber was firstly pretreated by swelling and silver immersion,and then a uniform and compact Ni/Cu/Ag combined coating was prepared on it by electroless nickel plating,electroless copper plating,and silver electroplating successively.The surface morphology and structure of Kevlar~?fiber treated by different processes were analyzed by scanning electron microscopy (SEM) and X-ray diffractometry (XRD).The adhesion,corrosion resistance,mechanical properties,and thermal stability of the Ni/Cu/Ag coating were examined.The results showed that the Ni/Cu/Ag/Kevlar~?fiber had a well-adhered and corrosion-resistant multilayered metallic coating on its surface,and possessed the original mechanical properties and thermal stability of Kevlar~?fiber substrate basically.更多还原