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拉伸状态下碳纤维复合材料T型接头的断裂行为

, PP. 185-190

Keywords: 碳纤维复合材料,T型接头,断裂行为,数值模型,静态拉伸

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Abstract:

建立了碳纤维复合材料T型接头数值模型,模拟了其在拉伸载荷下的损伤产生、扩展及失效过程,并对碳纤维复合材料T型接头试件进行了静态拉伸试验。结果表明,接头的初始损伤载荷为9.8~12.0kN,损伤发生后接头的载荷值发生突降(降低约27%~38%),此时接头仍具有一定承载能力;试件完全脱胶载荷较初始损伤载荷略有降低(载荷范围为8.0~8.6kN)。数值计算和试验结果吻合,结果均显示填料区是碳纤维复合材料T型接头最薄弱的部位,易发生破坏;填料区破坏后裂纹迅速向填料区周围的胶层扩展,导致胶层的剥离,这是导致碳纤维复合材料T型接头失效的最主要原因。

References

[1]  杜善义.先进复合材料与航空航天[J].复合材料学报, 2007, 24(1): 1-12. Du Shanyi.Advanced composite materials and aerospace engineering[J].Acta Materiae Compositae Sinica, 2007, 24(1): 1-12.
[2]  Engelstad S P, Mollenhauer D H.Comparisons of measured moire fringe surface strain and model predictions for a cobonded pi-preform composite tee joint[J]. Proceeding of 45th AIAA Confer Californis, 2004: 19-22.
[3]  Engelstad S P, Averill R C, Berry O T.Implementation and application of zig-zag finite elements for composite bonded tee-joint modeling[C]//42th AIAA Confer and Exhibit Seattle. US: AIAA, 2001.
[4]  Apalak M K, Gunes R, Turaman M O.Thermal and geometrically non-linear stress analyses of an adhesively bonded composite tee joint[J].Composites: Part A, 2003, 34: 135-150.
[5]  Shenoi R A, Read P J C L, Hawkins G L.Fatigue failure mechanisms in fibre-reinforced plastic laminated tee joints[J].Int J Fatigue, 1995, 17(6): 415-426.
[6]  Marcadon V, Nadota Y, Roy A.Fatigue behavior of T-joints for marine applications[J].International Journal of Adhesion & Adhesives, 2006, 26: 481-489.
[7]  李亚智, 张 向. 整体加筋壁板的破损安全特性与断裂控制分析[J]. 航空学报, 2006, 27(5): 842-846. Li Yazhi, Zhang Xiang.An analysis of fail and safety and fracture control of integrally stiffened panels[J].Acta Aeronuatica et Astronatica Sinica, 2006, 27(5): 842-846.
[8]  程家林.层压复合材料连接接头设计及其在大飞机中的应用[J].航空学报, 2008, 29(3): 640-644. Cheng Jialin.Design of composite laminated joint and its application in large aircrafts[J].Acta Aeronuatica et Astronatica Sinica, 2008, 29(3): 640-644.
[9]  朱 亮, 崔 浩, 李玉龙, 等.含缺陷复合材料T型接头失效数值分析[J].航空学报, 2012, 2(33): 287-296. Zhu Liang, Cui Hao, Li Yulong, et al, Numerical simulation of the failure of composite T-joints with defects[J]. Acta Aeronautica et Astronautica Sinica, 2012, 2(33): 287-296.
[10]  赵丽滨, 彭 雷, 张建宇, 等.复合材料π接头拉伸力学性能的实验和计算研究[J].复合材料学报, 2009, 26(2): 181-186. Zhao Libin, Peng Lei, Zhang Jianyu, et al.Experimental and numerical research on mechanics performance of composite π joint under tensile loading[J].Acta Materiae Compositae Sinica, 2009, 26(2): 181-186.
[11]  崔 浩, 李玉龙, 刘元镛, 等.基于粘聚区模型的含填充区复合材料失效数值模拟[J].复合材料学报, 2010, 27(2): 161-168. Cui Hao, Li Yulong, Liu Yuanyong, et al. Numerical simulation of composite joints failure ased on cohesive zone mode[J]. Acta Materiae Compositae Sinica, 2010, 27(2): 161-168.
[12]  Blakea J I R, Shenoia R A, House J.Progressive damage analysis of tee joints with viscoelastic inserts[J].Composites: Part A, 2001, 32: 641-653.
[13]  Dharmawan F, Thomson R S, Li H.Geometry and damage effects in a composite marine T-joint[J].Composite Structures, 2004, 66: 181-187.
[14]  Wagner W, Balzani C.Simulation of delamination in stringer stiffened fiber-reinforced composite shells[J].Computers and Structures, 2008, 86(9): 930-939.
[15]  Giulio A.On the influence of the shape of the interface law on the application of cohesive-zone models[J].Composites Science and Technology, 2006, 66(6): 723-730.
[16]  赵渠森.QY8911双马来酰亚胺树脂韧性评定[J].航空学报, 1991, 112(12): 583-588. Zhao Qusen.Evaluation of the toughness of QY8911 Bismaleimde[J].Acta Aeronautica et Astronautica Sinica, 1991, 112(12): 583-588.
[17]  中国国家标准化管理委员会.GB/T 1040.4-2006/ISO 529-4: 1997 各向同性和正交各向异性纤维增强复合材料的实验条件[S].北京: 中国标准出版社, 2006. The China National Standardization Management Committee. GB/T 1040.4-2006/ISO 529-4: 1997 Test conditions for isotropic and orthotropic fiber-reinforced plastic composites[S]. Beijing: Standards Press of China, 2006.

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