Tranchard Pauline, Samyn Fabienne, Duquesne Sophie, Estèbe Bruno, Bourbigot Serge
UMR 8207, Unité Matériaux et Transformations (UMET), University of Lille, Lille F 59 000, France.
Thermal Tech Centre, AIRBUS Operation S.A.S, 316 Route de Bayonne, Toulouse 31060, France.
Materials (Basel). 2017 Apr 28;10(5):470. doi: 10.3390/ma10050470.
Based on a phenomenological methodology, a three dimensional (3D) thermochemical model was developed to predict the temperature profile, the mass loss and the decomposition front of a carbon-reinforced epoxy composite laminate (T700/M21 composite) exposed to fire conditions. This 3D model takes into account the energy accumulation by the solid material, the anisotropic heat conduction, the thermal decomposition of the material, the gas mass flow into the composite, and the internal pressure. Thermophysical properties defined as temperature dependant properties were characterised using existing as well as innovative methodologies in order to use them as inputs into our physical model. The 3D thermochemical model accurately predicts the measured mass loss and observed decomposition front when the carbon fibre/epoxy composite is directly impacted by a propane flame. In short, the model shows its capability to predict the fire behaviour of a carbon fibre reinforced composite for fire safety engineering.
基于现象学方法，开发了一种三维（3D）热化学模型，用于预测暴露于火灾条件下的碳增强环氧复合层压板（T700/M21复合材料）的温度分布、质量损失和分解前沿。该三维模型考虑了固体材料的能量积累、各向异性热传导、材料的热分解、进入复合材料的气体质量流以及内部压力。为了将其用作物理模型的输入，使用现有方法以及创新方法对定义为温度相关特性的热物理特性进行了表征。当碳纤维/环氧复合材料直接受到丙烷火焰冲击时，三维热化学模型能够准确预测测量的质量损失和观察到的分解前沿。简而言之，该模型展示了其在火灾安全工程中预测碳纤维增强复合材料火灾行为的能力。
