为满足复合材料在弯曲大变形工况下的使用,本文通过聚砜化学改性环氧树脂,制备高韧性碳纤维增强复合材料,文章中利用各种表征方法表征了复合材料力学性能、热性能和微观形貌.结果表明,增韧后弯曲强度达到1 206.3 MPa;层间剪切强度111.5 MPa;Ⅰ型层间断裂韧性(GIC)1 108.9 J/m2;该材料长期使用温度不低于为130℃.并制备样件应变能杆实现了曲率半径小于20 cm的卷曲试验,验证了材料具有优良层间韧性.
参考文献
| [1] | Sun, S.;Zhang, M.;Zhang, H.;Zhang, X. .Polylactide toughening with epoxy-functionalized grafted acrylonitrile-butadiene-styrene particles[J].Journal of Applied Polymer Science,2011(5):2992-2999. |
| [2] | Yu H S;Yamashita T;Horie K .Influence of a photoacid generator on the photoreactivity of a photosensitive polyimide containing epoxy groups[J].Polymer Journal,1996,28(8):703-707. |
| [3] | Paplham W P;Seferis J C;Calleja F J B et al.Microhardness of carbon-fiber-reinforced epoxy and thermoplastic polyimide composites[J].Polymer Composites,1995,16(5):424-428. |
| [4] | Hong-Yuan Liu;Gong-Tao Wang;Yiu-Wing Mai;Ying Zeng .On fracture toughness of nano-particle modified epoxy[J].Composites, Part B. Engineering,2011(8):2170-2175. |
| [5] | Hsieh, T.H.;Kinloch, A.J.;Taylor, A.C.;Kinloch, I.A. .The effect of carbon nanotubes on the fracture toughness and fatigue performance of a thermosetting epoxy polym[J].Journal of Materials Science,2011(23):7525-7535. |
| [6] | Chookajorn T;Costanzo MS;Hartl DL;Deitsch KW .Malaria: a peek at the var variorum[J].Trends In Parasitology,2007(12):563-565. |
| [7] | 杨明,祖大水,马连勇,郭扬,嵇培军,张华,姜健.聚砜增韧环氧树脂基碳纤维复合材料的研究[C].第十三届全国复合材料学术会议论文集,2004:458-462. |
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%