研究了层内混杂复合材料的高模量纤维断裂引起的邻近各层应力重分布问题.通过建立适当的计算模型,利用二维弹性力学精确解和付氏变换法,建立问题的奇异积分方程组,通过求解方程组,计算高、低模量层和基体层的应力集中因子,计算结果对"混杂效应"作出了理论解释,并与一般采用的Shear-Lag理论计算结果作了比较,本文结果更精确、合理,可应用于层内混杂复合材料的设计.
参考文献
| [1] | Hedgepeth J M. Stress Concentrations in Filamentary Structures [R]. NASA TN D-882,1961. |
| [2] | Fukuda H, Chou T W. Stress concentrations around a discontinuous fiber in a hybrid composite sheet [J]. Trans Japan Soc Comp Mater, 1981,7:37-42. |
| [3] | Christensen R M. Mechanics of composite materials [M ].John Wiley & Sons Inc, 1979. |
| [4] | Dundurs J. Elastic Interaction of Dislocations with Inhomogeneities [A]. In: Mura T,ed. Mathematical Theory of Dislocations [M]. New York: Am Soc Mech Engng,1969.70-115. |
| [5] | Fukuda H, Chou T W. Stress concentrations in a hybrid composite sheet [J]. J Appl Mech, 1983,50(12):845-848. |
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%