采用缠绕成型的玻璃纤维增强聚合物基复合材料管型试样,对复合材料在拉扭双轴载荷作用下的多轴疲劳行为进行了实验研究.实验结果表明,复合材料多轴疲劳失效是基体中疲劳损伤累积的结果,最终的失效裂纹通常平行于纤维方向;根据实验中得出的应力应变曲线、疲劳寿命曲线,重点讨论了不同缠绕角复合材料的多轴疲劳寿命随双轴载荷比例、平均应力等因素的变化规律,为今后的多轴疲劳理论研究提供了依据.
参考文献
| [1] | T. P. Philippidis;A. P. Vassilopoulos .Fatigue strength prediction under multiaxial stress[J].Journal of Composite Materials,1999(17):1578-1599. |
| [2] | Shokrieh M M;Lessard L B.Fatigue under multiaxial stress system[A].Woodhead Publication Ltd and CRC Press,2003:63-113. |
| [3] | Shen G;Glinka G;Plumtree A .Fatigue life prediction of notched composite components[J].J Fatigue Fract Engug Mater Struct,1994,17(01):77-91. |
| [4] | Chen A S;Matthews F L .A review of multiaxial/biaxial loading tests for composite materials[J].Composites,1993,24(05):395-406. |
| [5] | Found M S.A review of the multiaxial fatigue testing of fiber reinforced plastics[A].Philadelphia:American society for testing and materials,1985:381-395. |
| [6] | C.S. Lee;W. Hwang .Failure of carbon/epoxy composite tubes under combined axial and torsional loading 1.Experimental results and prediction of biaxial strength by the use of neural networks[J].Composites science and technology,1999(12):1779-1788. |
| [7] | 戚东涛,程光旭,段权,魏生桂.基于临界平面法的复合材料多轴疲劳损伤参量研究[J].西安交通大学学报,2003(11):1182-1185. |
| [8] | Perreux D;Joseph E .The effect of frequency on the fatigue performance of fdament-wound pipes under biaxial loading:experimental results and damage model[J].Composites Science and Technology,1997,57(03):353-364. |
| [9] | 黄争鸣.复合材料细观力学引论[M].北京:科学出版社,2004 |
| [10] | 慈国庆 .纤维增强复合材料层板的疲劳损伤研究[D].山东工业大学,1995. |
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%