采用尼龙无纺布(PNF)作为结构化增韧层,制备了PNF层间增韧改性的U3160碳纤维增强3266环氧树脂(U3160-PNF/3266)复合材料,研究了U3160-PNF/3266复合材料的面内力学性能及湿热老化后的力学性能变化,并分析了复合材料湿热老化前后的层间形貌.结果表明:PNF增韧层的引入并未导致复合材料面内力学性能的下降,与未增韧的U3160碳纤维增强3266环氧树脂(U3160/3266)复合材料相比,增韧复合材料U3160-PNF/3266的90°拉伸性能有所提高.而湿热老化处理对U3160-PNF/3266复合材料的基体和界面性能影响相对明显,尤其是尼龙纤维与树脂基体之间的界面结合性能,湿热老化处理后增韧复合材料的90°压缩和层间剪切性能保持率均明显低于未增韧复合材料的.
参考文献
[1] | 张朋;刘刚;胡晓兰;包建文;益小苏.结构化增韧层增韧RTM复合材料性能[J].复合材料学报,2012(4):1-9. |
[2] | Bhavesh G.Kumar;Raman P.Singh;Toshio Nakamura.Degradation of Carbon Fiber-reinforced Epoxy Composites by Ultraviolet Radiation and Condensation[J].Journal of Composite Materials,200224(24):2713-2733. |
[3] | Selzer R.;Friedrich K..INFLUENCE OF WATER UP-TAKE ON INTERLAMINAR FRACTURE PROPERTIES OF CARBON FIBRE-REINFORCED POLYMER COMPOSITES[J].Journal of Materials Science,19952(2):334-338. |
[4] | 吕小军;张琦;马兆庆;许俊华;肖文萍.湿热老化对碳纤维/环氧树脂基复合材料力学性能影响研究[J].材料工程,2005(11):50-53,57. |
[5] | G.M. Candido;M.L. Costa;M.C. Rezende;S.F.M. Almeida.Hygrothermal effects on quasi-isotropic carbon epoxy laminates with machined and molded edges[J].Composites, Part B. Engineering,20083(3):490-496. |
[6] | Ray BC.Temperature effect during humid ageing on interfaces of glass and carbon fibers reinforced epoxy composites[J].Journal of Colloid and Interface Science,20061(1):111-117. |
[7] | 过梅丽;肇研;谢令.航空航天结构复合材料湿热老化机理的研究[J].宇航材料工艺,2002(4):51-54. |
[8] | 益小苏;许亚洪;程群峰;方征平.层间韧化的碳纤维复合材料层压板的力学性能[J].材料研究学报,2008(4):337-346. |
[9] | Xiaoqing Zhang;Chun Yan;Xinyu Fan.Interfacial Microstructure and Properties of Carbon Fiber Composites Modified with Graphene Oxide[J].ACS applied materials & interfaces,20123(3):1543-1552. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%