The percolation results from conjunct effects of dispersion, interface polarization and nano-effect of MWNTs.The percolation threshold of the Ag-filled MWNTs/epoxy composite is about 1.01 wt%.

• Ag填充碳纳米管/环氧树脂有明显的介电逾渗现象，这是填料的分散状态、界面极化与纳米填料表面效应共同作用的结果，体系的逾渗阈值为1.；01 wt%25。