首先提出了两个新的复合材料全寿命范围的E-N曲线方程与S-N曲线方程,与过去的双参数和三参数曲线公式相比,此二方程因均有四个参数而具有更好的物理性质;然后采用相关系数最优法,分别给出了两个方程的参数估计公式和求解方法,最后给出了该二方程的应用实例,通过实例发现:两个方程均具有良好的拟合效果,且便于实际应用.
参考文献
| [1] | Yang J N, Liu M D. Residual strength degradation model and theory of periodic proof tests for graphite/epoxy laminates [J]. Journal of Composite Materials, 1977,11(2):176～203. |
| [2] | Radhakrishnan K. Fatigue and reliability evaluation of unnotched carbon epoxy laminates [J]. Journal of Composite Materials, 1984,18(1):21～31. |
| [3] | Yang J N, Jones D L, Yang S H, et al. A stiffness degradation model for graphite/epoxy laminates [J]. Journal of Composite Materials, 1987,24(6):753～769. |
| [4] | Tsai G C, Doyle J F, Sun C T. Frequency effects on the fatigue life and damage of graphite/epoxy composite [J]. Journal of Composite Materials, 1987,21(1):2～13. |
| [5] | Whitworth H A. Modeling stiffness reduction of graphite/epoxy composite laminates [J]. Journal of Composite Materials, 1987,21(4):362～372. |
| [6] | Hwang W, Han K S. Fatigue of composites -- fatigue modulus concept and life prediction [J]. Journal of Composite Materials, 1986,20(2): 154～165. |
| [7] | Talreja R. Fatigue of composite material [M]. Pennsylvania: Technomic Publishing Company, 1987. |
| [8] | 中国航空研究院. 复合材料飞机结构耐久性/损伤容限设计指南 [M]. 北京: 航空工业出版社,1995. |
| [9] | Reifshider K L. Fatigue of Composite Materials [M]. New york: Elsevier Science Publishers, 1991. 431～468. |
| [10] | Lemaitre J. A Course on Damage Mechanics [M]. Berlin: Springer-Verlag, 1992.68～90. |
| [11] | Reifsnider K L, Jen M H R. Composite fly-wheel durability and life-- part II: long-term materials data. Lawrence Livermore National Laboratory Rep [R]. UCRL-1523 Part II, September 1982. |
| [12] | 熊峻江, 寇长河, 程小泉, 等. 光滑与含孔复合材料层板压-压疲劳试验研究 [J]. 复合材料学报,1998,15(3): 99～102. |
| [13] | Jann N, Yang, Douglas L J. Statistical fatigue of graphite/epoxy angle-ply laminates in shear [J]. J Composite Material, 1978,12(10): 371～377. |
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