工艺与制造英文2020被引 47
大型碳纤维增强复合材料结构真空辅助树脂注入工艺的模拟与优化
Simulation and optimization of vacuum assisted resin infusion process for large-sized structures made of carbon fiber-reinforced plastics
Pyi Phyo Maung, Tun Lin Htet, G V Malysheva
摘要整理
真空辅助树脂注入（VARI）工艺是制造飞机机翼、机身蒙皮等大型复合材料结构的重要成型方法，但其工艺参数通常依靠经验或大量试验确定。本研究以复合材料机身蒙皮为研究对象，基于数值模拟对VARI工艺的树脂充模过程进行了分析，并对树脂进口位置进行了优化。首先建立了机身蒙皮的三维几何模型，对树脂浸渍过程进行了数值模拟；其次根据模拟结果确定了树脂进口的位置和数量。模拟结果表明，不仅通过增加树脂进口数量可以缩短充模时间，更重要的是选择最优的进口位置能够显著降低充模时间。该研究为VARI工艺参数的科学设计提供了理论依据，有助于提高大型复合材料结构的成型效率和质量稳定性。
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