采用阶梯挖补法对四种不同铺层方向的复合材料层合板进行修补,测试挖补后层合板的拉伸性能.通过对失效后断口形貌的表征,分析层合板阶梯挖补结构的失效形式,获知其失效形式为纤维和基体的脱粘.分析四种不同铺层方式修补的复合材料层合板母板、补片和胶层的应力分布.结果表明,铺层方式对母板、补片和胶层上的应力分布影响很大,应力主要集中分布在0°方向铺层上,阶梯挖补界面阶梯拐角处应力分布跳跃很大.
参考文献
| [1] | 中国航空研究院.复合材料设计手册[M].北京:航空工业出版社,2001:1-4. |
| [2] | Z.Y. Zhang;M.O.W. Richardson .Low velocity impact induced damage evaluation and its effect on the residual flexural properties of pultruded GRP composites[J].Composite structures,2007(2):195-201. |
| [3] | CANTWELL W J;MORTON J .The impact resistance of composite materials[J].Composites,1991,22(05):347-362. |
| [4] | Michael Bruhn Barfod;Kim Bang Sailing;Steen Leleur .Composite decision support by combining cost-benefit and multi-criteria decision analysis[J].Decision Support Systems,2011(1):167-175. |
| [5] | HART S L J.Adhesive-Bonded Joints for Composites-Phenomenological Considerations[A].E1 Seg-undo,CA,March,1978 |
| [6] | Chun H. Wang;Andrew J. Gunnion .Optimum shapes of scarf repairs[J].Composites, Part A. Applied science and manufacturing,2009(9):1407-1418. |
| [7] | Alan Baker .Bonded composite repair of fatigue-cracked primary aircraft structure[J].Composite Structures,1999(1/4):431-443. |
| [8] | 陈绍杰.复合材料结构修补指南[M].北京:航空工业出版社,2001 |
| [9] | BAKER A A.Bonded Repair of Aircraft Structure[M].Dordrecht.Netherlands:Martinus Nijhoff Publishers,1988:4-5. |
| [10] | CAMPIHO R D S G;MOURA M F S F;PINTO A M G et al.Modelling the tensile fracture behavior of CFRP scarf repairs[J].Composites Part B:Engineering,2009,40:149-157. |
| [11] | He Dan;Toshiyuki Sawa;Takeshi Iwamoto .Stress analysis and strength evaluation of scarf adhesive joints subjected to static tensile loadings[J].International Journal of Adhesion & Adhesives,2010(6):387-392. |
| [12] | Andrew J. Gunnion;Israel Herszberg .Parametric study of scarf joints in composite structures[J].Composite structures,2006(1/4):364-376. |
| [13] | B.M. Fredrickson;G.A. Schoeppner;D.H. Mollenhauer;A.N. Palazotto .Application of three-dimensional spline variational analysis for composite repair[J].Composite structures,2008(2):119-130. |
| [14] | MOLLENHAUER D H;FREDRICKSON B M;SCHOEPPNER G A et al.Moiré interferometry measurements of composite laminate repair behavior:influence of grating thickness on interlaminar response[J].Composites Part A:Applied Science and Manufacturing,2008,39:1322-1330. |
| [15] | 徐建新,张志德,李顸河.复合材料层合板阶梯式挖补修理参数分析[J].机械科学与技术,2011(08):1304-1307. |
| [16] | 李兆远 .复合材料层合板挖补修理强度分析[D].南京航空航天大学,2008. |
| [17] | HASHIN Z .Failure criteria for unidirectional fiber composite[J].Journal of Applied Mechanics,Transactions of the ASME,1980,47:329-334. |
| [18] | 王跃全,童明波,朱书华.复合材料层合板胶接贴补修理渐进损伤分析[J].复合材料学报,2011(03):197-202. |
| [19] | 林国伟 .胶接修补复合材料层合板的失效评估及参数影响分析[D].南京航空航天大学,2009. |
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