纤维缠绕复合材料管件的非线性行为分析及计算

1.浙江嘉兴学院,浙江嘉兴,314001

ANALYSIS AND CALCULATION OF NONLINEAR BEHAVIOR OF FILAMENT WOUND COMPOSITE TUBES

随着缠绕角的增大,纤维缠绕管件在拉伸时,应力应变显示出非线性关系.本文针对这一现象,引用Hahn和Tsai的非线性理论,采用片段线性的近似计算法计算纤维缠绕复合材料管件在轴向拉伸时的应力应变关系,计算结果与实验结果有较好的对应关系.

[1]	H Hahn;S W Tsai .Nonlinear elastic behavior of unidirectional composite laminate[J].Journal of Composite Materials,1973,7:102-118.
[2]	H T Hahn .Nonlinear behavior of laminated composites[J].Journal of Composite Materials,1973,7:257-271.
[3]	T Ishikawa;T W Chou .Nonlinear behavior of woven fabric composites[J].Journal of Composite Materials,1983,17:399-413.

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