以国产聚丙烯腈基(PAN)高强中模型碳纤维为研究对象,采用X射线光电子能谱(XPS)、表面动态接触角测量仪、扫描电镜(SEM)等手段,表征分析其表面活性与力学性能,同时考察了不同表面状态碳纤维复合材料的层间剪切性能.研究结果表明,电流密度对纤维表面元素含量,-OH、-C=O、-COOH官能团含量、极性自由能影响显著.当电流密度为0.23 mA/cm2时,纤维表面活性最高,极性自由能达到最大值5.5 m/Nm,层间剪切强度达到111 MPa,分别比未处理纤维提高了10倍和68.2％.
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