研究了在碳纤维织物上生长碳纳米管的改性对环氧树脂基复合材料层间性能的影响,对比了有无碳纳米管的碳纤维复合材料的层间剪切和弯曲性能,并采用碳纤维表面结合碳纳米管膜的方法研究了碳纳米管对碳/环氧复合材料层间性能的影响.结果表明,由于生长的碳纳米管长度过长(>10μm)、末端无序排列为笼状,树脂无法进入碳纳米管内部,碳纳米管无法发挥增强作用,同时由于碳纳米管过长,复合材料内部缺陷增多,使得四种生长碳纳米管的碳纤维复合材料层间性能均有下降;而碳纳米管膜与碳纤维和树脂基体结合较好,使得复合材料层间剪切强度提高12%.
参考文献
[1] | Trojanowicz M.Analytical applications of carbon nanotubes: a review[J].TrAC: Trends in Analytical Chemistry,20065(5):480-489. |
[2] | Miyagawa H;Rich MJ;Drzal LT.Thermo-physical properties of epoxy nanocomposites reinforced by carbon nanotubes and vapor grown carbon fibers[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,20061/2(1/2):67-73. |
[3] | Ben, Sudong;Zhao, Junhua;Zhang, Yancheng;Qin, Youlei;Rabczuk, Timon.The interface strength and debonding for composite structures: Review and recent developments[J].Composite structures,2015Oct.(Oct.):8-26. |
[4] | R. Andrews;D. Jacques;A. M. Rao.Nanotube composite carbon fibers[J].Applied Physics Letters,19999(9):1329-1331. |
[5] | Kin-Tak Lau;David Hui.Effectiveness of using carbon nanotubes as nano-reinforcements for advanced composite structures[J].Carbon: An International Journal Sponsored by the American Carbon Society,20029(9):1605-1606. |
[6] | Kin-tak Lau;San-qiang Shi.Failure mechanisms of carbon nanotube/epoxy composites pretreated in different temperature environments[J].Carbon: An International Journal Sponsored by the American Carbon Society,200215(15):2965-2968. |
[7] | D. Penumadu;A. Dutta;G.M. Pharr;B. Files.Mechanical properties of blended single-wall carbon nanotube composites[J].Journal of Materials Research,20038(8):1849-1853. |
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%