微观力学强度理论(MMF)是一种新型的基于物理失效模式的复合材料强度理论.通过对碳纤维/树脂(UTS50/E51)复合材料单向层合板进行纵向、横向静载拉伸、压缩和弯曲试验,得到层合板的基本力学性能和宏观强度指标.建立了碳纤维增强树脂基复合材料微观力学模型,获取树脂基体和纤维不同位置的机械载荷应力放大系数和热载荷应力放大系数.结合获取的应力放大系数及试验测得的单向层合板宏观强度,计算出层合板组分的MMF强度特征值.绘制了基于MMF强度理论的层合板破坏包络线,并与Tsai-Wu失效准则预测结果进行对比.实现了对UTS50/E51层合板MMF强度特征值的表征.
参考文献
| [1] | 杜善义,关志东.我国大型客机先进复合材料应对策略思考[J].复合材料学报,2008,25(1):1-10.Du Shanyi, Guan Zhidong. Strategic considerations for development of advanced composite technology for large commercial aircraft in China[J].Acta Compositae Materiae Sinica,2008,25(1):1-10. |
| [2] | Tsai S W. Strength characteristics of composite materials,NASA Contractor Report,CR-224[R].WaShington D C:National Aeronautics and Space Administration,1965. |
| [3] | Tsai S W, Wu E M. A general theory of strength for anisotropic materials[J]. Journal of Composite Materials,1971,5:58-80. |
| [4] | Harlow D G,Phoenix S L. Bounds on the probability of failure of composites[J].International Journal of Fracture,1979,15(4):321-336. |
| [5] | Echaabi J,Trochu F,Gauvin R.Review of failure criteria of fibrous composite materials[J].Polymer Composites,1996,56(6) : 183-196. |
| [6] | 张立群,金日光,耿海萍,等.短纤维橡胶复合材料强度的理论研究Ⅰ:纵向拉伸强度的理论预测[J].复合材料学报,1998,15(4): 89-96.Zhang Liqun,Jin Riguang,Geng Haiping,et al.Study on the theory of strength of short fiber/rubber composites Ⅰ:Prediction of longitudinal tensile strength[J].Acta Materiae Compositae Sinica,1998,15(4):89-96. |
| [7] | Chiang M Y M,Wang X F,Schultheisz C R,He J M.Prediction and three-dimensional Monte-Carlo simulation for tensile properties of unidirectional hybrid composites[J]. Composites Science and Technology 2005,65(11/12):1719-1727. |
| [8] | 黎增山,关志东,何 为.国产碳纤维增强树脂基复合材料应变不变量性能[J].复合材料学报,2011,28(5):192-196.Li Zengshan,Guan Zhidong,He Wei.Strain invariant failure theory invariant properties of domestic carbon fiber/resin composites[J]. Acta Materiae Compositae Sinica,2011,28(5):192-196. |
| [9] | Hinton M J, Soden P D. Predicting failure in composite laminates the background to the exercise[J]. Composites Science and Technology,1998,58(7):1001-1010. |
| [10] | Puck A,Schürmann H. Failure analysis of FRP laminates by means of physically based phenomenological models[J].Composites Science and Technology,1998,58(7):1045-1067. |
| [11] | Committee on New Materials for Advanced Civil Aircraft National Materials Advisory Board.New materials for next generation commercial transports[M]. Washington D C:National Academy Press,1996:1-3. |
| [12] | Cai Hongneng,Miyano Yasushi,Nakada Masayaki,Ha Sung Kyu.Micro-mechanical failure theory continuous fiber reinforced composites[C]// Proceedings of the 12th Composites Durability Workshop (CDW-12). St. Maximin,France,、CCM (CD-Rom),2007. |
| [13] | Gosse J H,Christensen S. Strain invariant failure criteria for polymer in composite materials[C]// Collection of Technical Papers-AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference.Seattle,WA:AIAA,2001,1:45-55. |
| [14] | Cai Hongneng,Miyano Yasushi,Nakada Massyuki,et al.Long-term fatigue strength prediction of CFRP structure based on micromechanics of failure[J]. Journal of Composites Materials,2008,42(8):825-830. |
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