对不同类型的连接件进行了试验研究,得到了破坏模式和破坏载荷,使用超声波损伤检测的方法,观察了孔边的挤压破坏情况.基于ABAQUS有限元软件,建立了有限元模型,分析了钉头形式(凸头、埋头),有无补偿垫片和连接形式对机械连接性能的影响.研究表明,使用凸头钉比埋头钉,能使破坏载荷能提高30％左右;使用补偿垫片能够提高连接件的承载能力;使用双钉连接较单钉连接,破坏载荷能提高一倍左右.
参考文献
| [1] | 杜善义,关志东.我国大型客机先进复合材料技术应对策略思考[J].复合材料学报,2008(01):1-10. |
| [2] | AktasAlaattin;Dirikolu M;Husnu .The effect of stacking sequence of carbon epoxy composite laminates on pinned-joint strength[J].Computers & Structures,2003,62:107-111. |
| [3] | AktasAlaattin .Bearing strength of carbon epoxy laminates under static and dynamic loading[J].Computers & Structures,2005,67:485-489. |
| [4] | Alaattin Aktas;Ramazan Karakuzu .Failure analysis of two-dimensional carbon-epoxy composite plate pinned joint[J].Mechanics of Composite Materials and Structures,1999(4):347-361. |
| [5] | Madenci E.;Sergeev B.;Oplinger DW.;Shyprykevich P.;Shkarayev S. .Analysis of composite laminates with multiple fasteners[J].International Journal of Solids and Structures,1998(15):1793-1811. |
| [6] | Johan Ekh;Joakim Schoen .Finite element modeling and optimization of load transfer in multi-fastener joints using structural elements[J].Composite structures,2008(2):245-256. |
| [7] | Johan Ekh;Joakim Schoen .Load transfer in multirow, single shear, composite-to-aluminium lap joints[J].Composites science and technology,2006(7/8):875-885. |
| [8] | A.RICCIO;L.MARCIANO .Part I-Experimental Studies Effects of Geometrical and Material Features on Damage Onset and Propagation in Single-lap Bolted Composite Joints under Tensile Load:[J].Journal of Composite Materials,2005(23):2071-2090. |
| [9] | A.RICCIO .Part II-Numerical Studies Effects of Geometrical and Material Features on Damage Onset and Propagation in Single-lap Bolted Composite Joints under Tensile Load[J].Journal of Composite Materials,2005(23):2091-2112. |
| [10] | Shokrich M M;Lessard L B .Progressive fatigue damage modeling of composite materials,part Ⅰ:modeling[J].Journal of Composite Materials,2000,34:1056-1080. |
| [11] | Shokrich M M;Lessard L B .Progressive fatigue damage modeling of composite materials,part Ⅱ:material characterization and model verification[J].Journal of Composite Materials,2000,34:1081-1116. |
| [12] | Wang Hongsheng;Hung Changli;Chang Fukuo .Bearing Failure of Bolted Composite Joints.Part Ⅰ:Experimental Characterization[J].Journal of Composite Materials,1996,30(12):1284-1313. |
| [13] | Hung Changli;Chang Fukuo .Bearing Failure of Bolted Composite Joints.Part Ⅱ:Model and Verification[J].Journal of Composite Materials,1996,30(12):1359-1400. |
| [14] | 刘兴科,李亚智,刘向东,舒怀.金属和复合材料多钉连接钉载分配研究[J].航空工程进展,2011(02):193-198. |
| [15] | 杨旭,章怡宁,许希武.复合材料层板多钉机械连接强度计算方法[J].航空学报,1998(01):24-29. |
| [16] | 张震,吕国志,文潘涛,尹剑.多钉连接复合材料板钉传载荷的估算[J].科学技术与工程,2007(10):2197-2200. |
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%