采用德国GABO公司的EPLEXOR 500 N型动态力学分析系统对纤维增强648环氧树脂复合材料进行测试和分析.该设备与以前使用较多的DMA相比,能够在动态力学分析中提供最高达500N的载荷.通过改变预载荷和动态载荷的大小、纤维种类以及材料模量,对纤维增强复合材料进行了动态粘弹性研究.结果表明,增大预载荷则储能模量增大,增大动载荷则储能模量减小;纤维种类对复合材料粘弹性能的影响较小,而材料模量对粘弹性的影响较大.
参考文献
| [1] | 高家武,周福珍,刘士昕,等.高分子材料热分析曲线集[M].北京:科学出版社,1990.91-92. |
| [2] | Gill S P.Dynamic mechanical analysis assures composites quality [J].Industrial Research & Development,1983,25 (3):104-107. |
| [3] | Alvarez V A,Valdez M E,Vazquez A.Dynamic mechanical properties and interphase fiber/matrix evaluation of unidirectional glass fiber/epoxy composites [J].Polymer Testing,2003,22:611-615. |
| [4] | Lee T H,Freddy Beoy Y C,Loh N L.Characterization of fiber-reinforced polymer composite by dynamic mechanical analysis:Effect of aspect ratio and static stress [J].Composites Science and Technology,1993,49:217-223. |
| [5] | Lazan B J.Behavior of plastics under vibrations [J].Technical Section,1942,11:83-88. |
| [6] | 侯向辉,李贺军,王灿,等.热解碳基碳/碳复合材料的内耗特征与机制[J].复合材料学报,2001,18(1):89-92.Hou X H,Li H J,Wang C,etal.Internal friction characters and mechanism in pyrolytic carbon matrix carbon-carbon composites [ J ].Acta Materiae Compositae Sinica,2001,18(1):89-92. |
| [7] | 蓝立文,过梅丽,雷渭媛.高分子物理[M].西安:西安工业大学出版社,1993.128-129. |
| [8] | Dong S,Gauvin R.Application of dynamical analysis for the study of the interfacial region in carbon fiber/epoxy composites materials [J].Polymer Composites,1993,14(5):414-420. |
| [9] | Finegan I C,Gibson R F.Recent research on enhancement of damping in polymer composites [J].Composite Structures,1999,44:89-98. |
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%