为获得一种碳纤维二维正交平纹机织布增强树脂基复合材料准静态和动态压缩力学性能,对其三个主方向(垂直于碳布方向、碳布经向、碳布纬向),分别利用Instron试验机和SHPB实验技术,进行了准静态压缩和动态压缩实验.得到了三个主方向从低应变率(10-3/s)到高应变率(约103/s)下的压缩应力-应变曲线和压缩强度,并通过分析得到了三个主方向上的动态压缩响应特点:垂直于碳布方向的力学性能及其与应变率的相关性主要由树脂基体所控制;碳布经向和纬向的力学性能主要由碳纤维所控制,并且和纤维初始微屈曲相关.最后,分别给出三个主方向上的压缩强度和弹性模量与应变率相关性的表达式.
参考文献
| [1] | 王兴业,肖加余,唐羽章,等.(Wang Xingye, Xiao Jiayu, Tang Yuzhang, et al.) 复合材料力学分析与设计[M].(Mechanical Analysis and Design of Composites[M].)长沙:国防科技大学出版社,(Changsha:National University of Defense Technology Press,)1999. 14-53. |
| [2] | Robert L Sierakowski. Strain rate behavior of composites: Issues[A]. In: High Strain Rate Effects on Polymer, Metal and Ceramic Matrix Composites and Other Advanced Materials[C]. AD-Vol 48, ASME, 1995. 1-5. |
| [3] | Hsiao H M, Daniel I M, Cordes R D. Dynamic compressive behavior of thick composite materials[J]. Experimental Mechanics,1998, 38(3): 172-180. |
| [4] | Xia Yuanming, Wang Xin, Yang Baochang. Constitutive equation for unidirectional composites under tensile impact[J]. Composites Science and Technology, 1996, 56(2): 155-160. |
| [5] | Xia Yuanming, Wang Xin, Yang Baochang. Brittle-ductilebr-ittle transition of glass fiber reinforced epoxy under tensile impact[J]. Journal of Material Science Letters, 1993, 12(18): 1481-1484. |
| [6] | 吴德隆,沈怀荣.(Wu Delong, Shen Huairong.) 纺织结构复合材料的力学性能[M].(Behavior of Textile Structural Composites[M].)长沙:国防科技大学出版社,(Changsha:National University of Defense Technology Press,)1998.92-180. |
| [7] | 王瑞,王建坤,武玲.(Wang Rui, Wang Jiankun, Wu Ling.) 平纹织物复合材料的弹性模量预测[J].(Prediction for elastic properties of plain weave fabric composites[J].)复合材料学报,(Acta Materiae Compositae Sinica,) 2002,19(1): 90-94. |
| [8] | 顾伯洪.(Gu Bohong.) 织物弹道贯穿性能分析计算[J]. (Analytical modeling of woven fabric under ballistic perforation[J].)复合材料学报, (Acta Materiae Compositae Sinica,) 2002, 19(6): 92-96. |
| [9] | Morais A Balaco de. Prediction of the layer longitudinal compression strength[J]. Journal of Composite Materials, 2000, 34(21): 1808-1819. |
| [10] | Barbero E J. Prediction of compression strength of unidirectional polymer matrix composites[J]. Journal of Composite Materials, 1998, 32(5): 483-502. |
| [11] | Weeks C A, Sun C T. Nonlinear rate dependent response of thick-section composite laminates[A]. In: High Strain Rate Effects on Polymer, Metal and Ceramic Matrix Composites and Other Advanced Materials[C]. AD-Vol 48, ASME, 1995. 81-95. |
| [12] | Vinson J R, Woldesenbet E. Fiber orientation effects on high strain rate properties of graphite/epoxy composites[J]. Journal of Composite Materials, 2001, 35(6): 509-521. |
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%