The results show that the hardness of composites fabricated with vaporizing impregnant process is much higher than that fabricated with mixing nano sized powder process.

• 结果表明在填料含量相同时,溶剂蒸发法制备的PTFE复合材料的硬度显著高于固体纳米粉末混合法制备的PTFE复合材料的硬度;