采用催化化学气相法在炭纤维表面原位生长纳米炭纤维后,再通过化学气相渗透法制备出纳米炭纤维改性C/C复合材料.采用微动摩擦磨损试验考察纳米炭纤维改性C/C复合材料的摩擦磨损性能,探讨原位生长纳米炭纤维对C/C复合材料摩擦磨损机理.结果表明,采用纳米炭纤维改性后C/C复合材料的摩擦过程更平稳,磨损量减小.纳米炭纤维与热解炭形成复合基体,这种复合基体在摩擦过程中形成高强度高模量的摩擦膜,从而影响复合材料的摩擦性能.
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