| 考虑层间应力的复合材料层压板静强度分析 |
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| 引用本文： | 黄志远,李亚智,郭晓波.考虑层间应力的复合材料层压板静强度分析[J].科学技术与工程,2009,9(9). |
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| 作者姓名： | 黄志远 李亚智 郭晓波 |
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| 作者单位： | 西北工业大学航空学院,西安,710072 |
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| 摘 要： | 构建了由刚性元、弹簧元和二维板元构成的准三维有限元模型,发展了一种考虑层间应力的、多向层压板静强度分析方法,包括应力分析、失效分析及材料性能退化三个主要部分,能够模拟面内和层间损伤产生、发展直至层压板整体破坏的完整过程,并得到强度值.对两种复合材料层压板进行了实际计算,静强度预测结果与试验结果吻合较好,同时预测并给出了损伤的分布及其在不同载荷下的演变过程.
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| 关 键 词： | 复合材料层压板 准三维模型 层间应力 静强度 |
Static Strength Analysis of Composite Laminates Considering Interlaminar Stresses |
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| HUANG Zhi-yuan,LI Ya-zhi,GUO Xiao-bo.Static Strength Analysis of Composite Laminates Considering Interlaminar Stresses[J].Science Technology and Engineering,2009,9(9). |
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| Authors: | HUANG Zhi-yuan LI Ya-zhi GUO Xiao-bo |
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| Affiliation: | School of Aeronautics;Northwestern Polytechnical University;Xi'an 710072;P.R.China |
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| Abstract: | A evaluation procedure for the static strength analysis of multidirectional composite laminates was established with a quasi-3D finite element model incorperating plate elements,spring elements and rigid elements.The procedure is the integration of in-plane and interlaminar stress analysis,failure analysis and material property degradation.The analysis of two kinds of composite laminates demonstrates a good agreement of strength prediction with the experiments,and the distribution and evolution of damages w... |
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| Keywords: | composite laminates quasi-3D model interlaminar stress tensile strength |
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