工艺与制造英文2024被引 4
复合材料树脂传递模塑中双尺度纤维结构毛细压力建模：综述与展望
Modeling capillary pressure in dual-scale fibrous structures for resin transfer molding processing of composites: A brief review and perspective
Ying Deng, Yonglin Chen, Jie Zhi, Weidong Yang, Xiaobin Li · Tongji University
摘要整理
树脂传递模塑（RTM）因其能够制造高性能复杂结构复合材料而受到广泛关注。毛细力由表面张力和纤维润湿性驱动，在树脂流对纤维的浸润过程中起着关键作用。毛细压力被确定为RTM成型过程中气孔形成和传输的关键因素。本文深入探讨了毛细压力机制，重点考虑了树脂传递模塑填充阶段纤维排列和双尺度孔隙结构的影响。所建立的模型综合考虑流体动力学、表面张力和纤维润湿性等因素，并通过毛细吸液实验进行了验证。研究表明，在RTM成型过程中更好地控制毛细压力可以改善填充均匀性、降低气孔含量，并提高复合材料的力学性能。人工智能辅助的毛细压力评估与控制方法的发展为高性能复合材料制造的改进提供了巨大潜力。
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