对含穿透型损伤层压板双面挖补胶接修补件的拉伸性能及主要影响参数进行了试验研究。结果表明：双面挖补后的失效拉伸强度恢复率能够达到80％；当挖补斜度1：40、覆盖层取3层、且靠近母板的铺层方向与母板的最外层的铺层方向保持一致时，强度恢复率较大；使用双面挖补后，母板厚度、母板铺层方式对强度恢复率的影响不大。同时应用有限元软件ABAQUS，采用三维实体单层设置建模方式对双面挖补层压板的拉伸性能进行了数值模拟，模拟计算结果与试验结果基本相符。
The tensile behavior of composite laminate containing penetrated damage and the optimization of repair designing parameters were studied after being {lush repaired on double- sides. The results demonstrate that the recovery of failure strength of repairing specimens could reach 80% after double-sided flush repaired. The strength of repair specimens can be recovered to the maximum, when scarf ratio is 1 ： 40, and covering layers number is three with the layer＇s orientation is the same as the mother plate＇s layer which is close to covering layers. Double sides flush repairing is familiar to any thicknesses and any lay-up ways of the mother laminates. A 3D finite element analysis was studied to verify the test result using ABAQUS software. In the model, every layer was set as a section, then give it the orientation of each layer. The analysis data are agree with the test results.
参考文献
| [1] | 王清远,陶华.复合材料修补件的强度和疲劳性能[J].材料工程,2003(1):21-23. |
| [2] | 孟凡颢,陈绍杰,童小燕.层压板修理设计中的参数选择问题[J].复合材料学报,2001,18(4):123-127. |
| [3] | Al-Mansour Ali,程小全,寇长河.单面贴补修理后层合板的拉伸性能[J].复合材料学报,2005,22(3):140-144. |
| [4] | 吕胜利,程起有,姚磊江,童小燕.损伤复合材料层板胶接修理的优化设计[J].机械强度,2007,29(4):598-600. |
| [5] | 陈绍杰.复合材料结构修理指南[M].北京:航空工业出版社,2001:66-117. |
| [6] | 喻梅,胡新宇.复合材料挖补修理结构的有限元建模及精度影响分析[J].安徽建筑工业学院学报,2009,17(6):1-6. |
| [7] | Campiho R D S G.Tensile behavior of three-dimensionalcarbon-epoxy adhesively-bonded single and double-straprepairs[J].Adhesion and Adhesives,2009,29(6):678-686. |
| [8] | 沈观林,胡更开.复合材料力学[M].北京:清华大学出版社,2006. |
| [9] | Wang Chun H,Gunnion Andrew J.Optimum shapes of scarfrepairs[J].Composites Part A,2009,40(9):1407-1418. |
| [10] | Breitzman T D,Iarve E V,Cook B M,Schoeppner G A,Lipton R P.Optimization of a composite scarf repair patchunder tensile loading[J].Composites Part A,2009,40(12):1921-1930. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%