对复合材料开口缝合补强结构进行了实验研究.测试了不同缝合参数(针距、行距、边距、单重和双重缝合)补强的含孔复合材料层板的拉伸强度,研究了孔边应力集中、应变集中对强度、刚度等力学性能参数的影响,分析讨论了孔边及邻近区域应变集中及应变分布的规律,得到不同缝合参数、孔边不同位置以及不同载荷条件下的应变集中系数.结合实验结果和分析讨论,给出了含孔复合材料层板缝合补强的缝合设计参数.
参考文献
| [1] | Yau Shi-Shen,Chou Tsu-Wei.Strength of woven-fabric composites with drilled and molded holes[J].Composite Materials:Testing and Design,1988,18:423-437. |
| [2] | Chang Fu-Kuo,Chang Kuo-Yen.A progressive damage model for laminated composites containing stress concentrations[J].J Composite Materials,1987,21(6):834-855. |
| [3] | Chang Fu-Kuo,Lessard Larry B.Damage tolerance of laminated composites containing an open hole and subjected to compressive loading Ⅰ:Analysis[J].Composite Materials,1991,25(1):2-43. |
| [4] | Lessard Larry B,Chang Fu-Kuo.Damage tolerance of laminated composites containing an open hole and subjected to compressive loading Ⅱ:Experiment[J].Composite Materials,1991,25(1):44-64. |
| [5] | Chang Kuo-Yen,Liu Sheng,Chang Fu-Kuo.Damage tolerance of laminated composites containing an open hole and subjected to tensile loading[J].Composite Materials,1991,25(3):274-301. |
| [6] | Carlsson L.Interlaminar stresses at a hole in a composite member subjected to in-plane loading[J].Composite Materials,1991,25(3):238-249. |
| [7] | Akbar Afaghi Khatibi,Lin Ye,Mai Yiu-Wing.An experi mental study of the influence of fiber-matrix interface on fatigue tensile strength of notched composite laminates[J].Composites Part B,2001,32(4):371-377. |
| [8] | Wu Hwai-Chung,Mu Bin.On stress concentrations for isotropic/orthotropic plates and cylinders with a circular hole[J].Composites PartB,2003,34(2):127-134. |
| [9] | 王启智,吴大鹏.拉伸偏心圆孔板的应力集中系数表达式[J].力学与实践,1999,21(3):18-20.Wang Qizhi,Wu Dapeng.Expressions of stress concentration factors for an eccentric circular hole in a tension strip[J].Mechanics and Practice,1999,21(3):18-20. |
| [10] | 王启智,戴峰.拉伸半无限圆孔板应力集中系数表达式[J].力学与实践,2001,23(6):33-35.Wang Qizhi,Dai Feng.Expressions of stress concentration factors for an semi-infinite circular hole in a tension strip[J].Mechanics and Practice,2001,23(6):33-35. |
| [11] | 王启智.有限域中高精度应力集中系数和应力强度因子表达式[J].机械强度,2001,23(3):358-361.Wang Qizhi.High accuracy expressions of stress concentration factor and stress intensity factor in finite domains[J].Journal of Mechanical Strength,2001,23(3):358-361. |
| [12] | 王启智,宋小林.拉伸正交各向异性有限宽板偏心圆孔的应力集中系数表达式[J].复合材料学报,2003,20(6):80-86.Wang Qizhi,Song Xiaolin.Expressions of stress concentration factors for an eccentric circular hole in a tension orthotropic finite-width strip[J].Acta Materiae Compositae Sinica,2003,20(6):80-86. |
| [13] | 宋小林,王启智.求解带圆孔的有限宽板的动态应力集中系数的迭加积分法[J].机械科学与技术,2005,24(1):94-97.Song Xiaolin,Wang Qizhi.Integral folding expressions of stress concentration factors for an circular hole in a dynamic tension finite-width strip[J].Mechanical Science and Technology,2005,24(1):94-97. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%