| 单一纤维和混杂纤维复合材料拉伸性能统计分析及计算模型 |
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| 引用本文： | 梁忐勇,张佐光,宋焕成.单一纤维和混杂纤维复合材料拉伸性能统计分析及计算模型[J].航空学报,1993,14(5):330-335. |
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| 作者姓名： | 梁忐勇 张佐光 宋焕成 |
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| 作者单位： | 北京航空航天大学104教研室，北京航空航天大学104教研室，北京航空航天大学104教研室 北京 100083，北京 100083，北京 100083 |
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| 摘 要： | 采用微观—宏观力学方法,研究单—纤维和混杂纤维复合材料拉伸破坏的统计行为并建立计算模型。模型中纤维拉伸性能的统计特征用Weibull分布表征,并考虑破坏过程中的载荷重新分配。模型计算与实验结果对比,模型能准确估算单一纤维复合材料拉伸性能,但对情况复杂的混杂纤维的性能估算不够理想。
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| 关 键 词： | 复合材料 混杂复合材料 拉伸强度 统计分析 |
THE STATISTICAL ANALYSIS AND CALCULATING MODEL OF TENSILE PROPERTIES OF SINGLE AND HYBRID COMPOSITES |
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| Liang Zhi-yong,Zhang Zhou-guang. Song Huang-Cheng.THE STATISTICAL ANALYSIS AND CALCULATING MODEL OF TENSILE PROPERTIES OF SINGLE AND HYBRID COMPOSITES[J].Acta Aeronautica et Astronautica Sinica,1993,14(5):330-335. |
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| Authors: | Liang Zhi-yong Zhang Zhou-guang Song Huang-Cheng |
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| Institution: | Faculty 104of Beijing University of Aeronautics and Astronautics, Beijing,100083 |
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| Abstract: | In this paper the micro-macro mechanics is employed to investigate the statistical be haviour of single fibre reinforced and hybrid fibre reinforced composites and a statistical calculating model is presented. The Weibuli distribution function is used to describe the statistical characteristics of the tensile properties of the fibres and the load redistribution in the failure process is also described by the stress concentration coefficient of the fibres in the model. The estimated re-suits of the tensile properties for single fibre reinforced composites are in good agreement with the experimental ones. But there exist some deviations of the estimated values from the experimental ones of the tensile properties of hybrid fibre reinforced composites. |
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| Keywords: | composite hybrid composite tensile strength statistical analysis |
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