工艺与制造英文2022
碳纤维–聚酯复合材料拉挤工艺参数的分析
Analysis of process factors for applying pultrusion process of carbon fiber–polyester composites
Kyo-Moon Lee, Yong-Sik Chu, Nam-Il Kim, Yun-Hae Kim, Sung-Youl Bae · Major of Materials Engineering, Department of Marine Equipment Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Republic of Korea
摘要整理
本研究旨在确定碳纤维–聚酯复合材料拉挤成型的最优工艺条件。通过评估纤维含量、固化时间和固化温度对力学性能的影响，系统分析了拉挤工艺参数。研究结果表明：随着纤维含量、固化温度和固化时间的增加，拉伸强度特性不断改善。但当纤维含量超过70%时，由于层间分离和气孔等内部缺陷的出现，拉伸强度不再提高。通过断裂模式分析了固化温度和固化时间的影响规律，在拉伸试样中观察到了固化不足导致的断裂特征。利用差示扫描量热法（DSC）确认了加热速率对聚酯固化反应的影响。最终确定了碳纤维–聚酯复合材料拉挤成型的最优工艺条件。
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