国产T300碳纤维格栅加筋圆筒轴压稳定性研究

Structure & Environment Engineering(2010)

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Abstract
为考察国产碳纤维复合材料的性能,分别制备了国产碳纤维和东丽T300的格栅加筋圆筒试验件,通过轴压试验研究了国产碳纤维格栅加筋圆筒的轴压稳定性。实验结果表明国产碳纤维结构件破坏载荷与进口件相比偏差小于5%,工艺稳定。采用MSC.Nastran非线性屈曲分析方法进行仿真分析,分析结果同试验值符合的较好,表明非线性屈曲分析能反映结构真实的失稳情况,更适合于分析筋条密度稀疏的格栅加筋薄壁结构。
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Key words
AGS cylinder,axial compression stability,bulkling,composite
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