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Damage evolution in a continuous fibre reinforced CMC: measurements and modelling

机译:连续纤维增强CMC中的损伤演变:测量和建模

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摘要

The present work presents a parametric micromechanical model that predicts the macromechanical behaviour of continuos fibre reinforced ceramic matrix cross-ply laminates, with weak fibre-matrix interfaces, under quasistatic uniaxial tensile load at room temperature. A shear-lag model has been used for the analysis of the fibre/matrix interface. The model is validated by comparison of the predictions with the results of twenty uniaxial tensile tests of a cross-ply Nicalon ~TM/CAS laminate.
机译:本工作提出了一个参数化微力学模型,该模型预测了在室温下准静态单轴拉伸载荷下具有弱纤维-基体界面的连续纤维增强陶瓷基体交叉层压板的宏观力学行为。剪力滞后模型已用于分析纤维/基质界面。通过将预测结果与交叉Nicalon〜TM / CAS层压板的二十个单轴拉伸试验的结果进行比较,验证了该模型的有效性。

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