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An analytical approach for predicting the tensile strength of plain weave fabric composites

机译：预测平纹织物复合材料拉伸强度的分析方法

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摘要

To predict the strength of plain weave fabric composites (PWFCs) quickly, an analytical model was developed by simplifying it as a three-layer orthogonal laminate (0 degrees/90 degrees/0 degrees). The undulation effects of fibers were taken into account based on stiffness and strength degradation theory. Moreover, less memory space is occupied due to the symmetry in ply stacking of the simplified laminate model. A PWFC was taken as an example to obtain the undetermined coefficients in the proposed analytical model. In comparison with the available experiment results the prediction accuracy of our method was checked. It demonstrates that the prediction errors for tensile strength of PWFCs are less than 10%, while the total modeling and computing time is no more than 30 s. Therefore, the proposed model is very suitable for quick conceptual design in engineering applications of PWFCs. Moreover, it is easy to extend this model to predict strength of PWFCs with other woven patterns, for example, triaxial woven composites. POLYM. COMPOS., 40:2391-2399, 2019. (c) 2018 Society of Plastics Engineers
机译：为了预测普通编织织物复合材料（PWFC）的强度，通过将其简化为三层正交层压材料（0度/ 90度/ 0度）来开发分析模型。基于刚度和强度降解理论，考虑了纤维的下降效应。此外，由于叠加层压模型的层堆叠的对称性，较少的存储空间占用。将PWFC作为示例，以获得所提出的分析模型中的未确定系数。与可用的实验结果相比，检查了我们方法的预测准确性。它表明，PWFC的拉伸强度的预测误差小于10％，而总建模和计算时间不超过30秒。因此，所提出的模型非常适合于PWFC的工程应用中的快速概念设计。此外，易于扩展该模型以预测具有其他编织图案的PWFC的强度，例如三轴编织复合材料。聚合物。 Compos。，40：2391-2399,2019。（c）2018年塑料工程师协会

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  • 来源
    《Polymer Composites》 |2019年第6期|共9页
  • 作者

    Wang Qian; Sun Lingyu; Yang Wu; Zhan Bowen; Yang Xudong;

  • 作者单位

    Beihang Univ Sch Transportat Sci &

    Engn 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ Sch Transportat Sci &

    Engn 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ Sch Transportat Sci &

    Engn 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ Sch Transportat Sci &

    Engn 37 Xueyuan Rd Beijing 100191 Peoples R China;

    Beihang Univ Sch Transportat Sci &

    Engn 37 Xueyuan Rd Beijing 100191 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 增强塑料、填充塑料;
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