根据低速冲击下复合材料层合板的分层损伤机理,发展了一种分层失效准则,该准则同时考虑了层间拉应力、层间剪应力和基体开裂等因素对分层损伤的影响,并在损伤分析中,区分了冲击正面由挤压应力引起的纤维挤压损伤和冲击背面由弯曲拉应力引起的纤维断裂损伤,模拟了纤维断裂、纤维挤压、基体开裂、基体挤压、分层等五种损伤的起始和扩展过程,完善了作者以前发展了低速冲击逐渐累积损伤模型.通过与实验结果进行比较,验证了模型的合理性.
参考文献
| [1] | J.P.Hou;N.Petrinic;C.Ruiz;S.R.Hallett .Prediction of Impact Damage in Composite Plates[J].Composites science and technology,2000(2):273-281. |
| [2] | LI C F;HU N;YIN Y J et al.Low-velocity impact-induced damage of continuous fiber-reinforced composite laminates.Part Ⅰ an FEM numerical model[J].Composites Part A:Applied Science and Manufacturing,2002,33(08):1055-1062. |
| [3] | 徐颖,温卫东,崔海坡.复合材料层合板低速冲击逐渐累积损伤预测方法[J].材料科学与工程学报,2006(01):77-81. |
| [4] | CHANG K Y;LIU S;CHANG F K .Damage tolerance of laminated composites containing an open hole and subjected to tensile loadings[J].Journal of Composite Materials,1991,25(03):274-301. |
| [5] | M.F.S.F. de Moura;A.T. Marques .Prediction of low velocity impact damage in carbon-epoxy laminates[J].Composites, Part A. Applied science and manufacturing,2002(3):361-368. |
| [6] | CHOI H Y;CHANG F K .A model for predicting damage in graphite/epoxy laminated composites resulting from low-velocity point impact[J].Journal of Composite Materials,1992,26:2134-2169. |
| [7] | 程小全,郦正能.复合材料层合板低速冲击后压缩的损伤累积模型[J].应用数学和力学,2005(05):569-576. |
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