工艺与制造英文2023被引 22
复合材料增强体渗透率测量方法综述
An Overview of the Measurement of Permeability of Composite Reinforcements
Andrea Dei Sommi, Francesca Lionetto, Alfonso Maffezzoli · University of Salento
摘要整理
液体复合材料模塑（LCM）是一类快速、经济的工艺，适用于大型零件的制造，具有良好的几何精度和力学性能。LCM工艺的关键步骤是填充阶段，在此阶段低粘度树脂浸润纤维增强体预制件。Darcy渗透率是填充阶段的关键性能指标，通常难以获得且受多种因素影响。渗透率在复合材料制造的计算模型中至关重要，可减少昂贵的试错程序。本综述系统介绍了当前最常用和最新的渗透率测量方法，阐述了监测树脂在增强体内流动、计算面内和面外渗透率的多种解决方案。重点描述了基于非侵入式传感器和可集成传感器的可靠测量方法的新发展趋势，为LCM工艺的工程应用和数值模拟提供技术支撑。
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