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首页> 外文期刊>Composite Structures >Multiscale modelling of thermoplastic woven fabric composites: From micromechanics to mesomechanics
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Multiscale modelling of thermoplastic woven fabric composites: From micromechanics to mesomechanics

机译：热塑性织物复合材料的多尺度造型：从微机械到中学力学

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摘要

The mechanical properties of woven composites can be predicted by using a multiscale modelling approach. The starting point to its application is the microscale (the level of fibres, matrix and interfaces), that allows the computation of the homogenised behaviour of the yarn. The aim of this work was to predict the yarn-level behaviour of a thermoplastic-based woven composite in order to allow the formulation of a representative constitutive model that can be used to predict ply properties at the mesoscale. To accomplish this purpose, an in situ characterisation of the microconstituents was carried out. This served to generate inputs for three different representative volume element (AVE) models that allowed predicting the yarn longitudinal, transverse and shear responses. These mechanical characteristics allowed the determination of homogenised yarn constitutive behaviour which was found to be characterised by significant non-linearity until failure, specially in transverse and shear directions.
机译：通过使用多尺度建模方法可以预测编织复合材料的机械性能。其应用的起点是微观尺寸（纤维，矩阵和界面的水平），其允许计算纱线的均质行为。这项工作的目的是预测热塑性的编织复合材料的纱线水平行为，以便允许制剂的代表性本构模型可用于预测MESSCLE的帘布层。为了实现此目的，进行了微耦合的原位表征。这用于为三种不同代表体积元件（AVE）模型产生输入，其允许预测纱线纵向，横向和剪切响应。这些机械特性允许确定均匀的纱线组成型行为，该组成部分是通过显着的非线性的特征，直到横向和剪切方向的故障。

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  • 来源
    《Composite Structures》 |2019年第11期|111340.1-111340.8|共8页
  • 作者

    Mugica J. I; Lopes C. S.; Naya F.; Herraez M.; Martinez V; Gonzalez C.;

  • 作者单位

    IMDEA Mat Inst C Eric Kandel 2 Madrid 28906 Spain;

    IMDEA Mat Inst C Eric Kandel 2 Madrid 28906 Spain;

    IMDEA Mat Inst C Eric Kandel 2 Madrid 28906 Spain;

    IMDEA Mat Inst C Eric Kandel 2 Madrid 28906 Spain;

    IMDEA Mat Inst C Eric Kandel 2 Madrid 28906 Spain;

    IMDEA Mat Inst C Eric Kandel 2 Madrid 28906 Spain|Univ Politecn Madrid Dept Mat Sci ETS Ingenieros Caminos Madrid 28040 Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Woven composites; Thermoplastics; Multiscale modelling; Computational micromechanics;

    机译：编织复合材料;热塑性塑料;多尺度建模;计算微机械;

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