工艺与制造英文2025
3D打印连续纤维增强热塑性复合材料瓦楞夹芯结构的工艺验证与性能评估
Process validation and performance evaluation of 3D printing continuous fiber reinforced thermoplastic composite corrugated sandwich structure
Jiahao Dong · CNUHS, No.33, Beiwa Road, Haidian District, Beijing, China
摘要整理
本研究重点关注3D打印连续纤维增强热塑性复合材料瓦楞夹芯结构的工艺验证与性能评估，探讨了不同结构设计和制造工艺特征下的力学行为。通过实时浸渍技术，将连续纤维与热塑性树脂结合，打印弧形和梯形瓦楞夹芯结构，并通过实验测试分析其压缩强度。结果表明，梯形夹芯结构在压缩载荷下表现出更高的压缩强度，峰值压缩强度达9.11 MPa，而弧形夹芯结构为4.76 MPa。在相同条件下，梯形结构表现出优异的载荷分散能力和更高的刚度，变形量较小。实验研究了实时浸渍工艺中工艺参数和纤维-树脂粘结质量对结构性能的影响，表明该工艺能够有效优化材料性能，具有良好的制造灵活性。研究结果为连续纤维增强热塑性复合材料在轻量化结构中的应用提供了技术支撑。
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