工艺与制造英文2024被引 1
连续纤维复合材料3D打印的技术挑战
Challenges Associated with 3D Printing of Continuous Fiber Composites
Vishista Kaushik, Kurra Suresh, Ramesh Babu Adusumalli · Birla Institute of Technology and Science - Hyderabad Campus
摘要整理
3D打印技术的发展通过实现复杂结构和定制化零件的高精度制造，革新了传统制造工艺。连续纤维复合材料因其优异的力学性能，已成为航空航天、汽车和国防等高性能应用领域的关键材料。本文以Markforged Mark Two打印机和Onyx基体为研究对象，深入探讨了连续纤维复合材料3D打印的主要技术难题。研究重点包括：气孔形成机制、材料各向异性行为、切片软件在精确建模中的局限性。同时分析了实际工艺中的关键问题，如翘曲变形、纤维偏位、床面调平不当和材料缺陷等。此外，论文还考察了专有材料的应用约束、竖向纤维增强和狭窄尺寸纤维铺放的困难。重点评估了3D打印机的关键部件（如纤维Bowden管和喷嘴头）对工艺质量和维护的影响。通过系统分析这些技术障碍，提出相应解决方案，旨在优化连续纤维复合材料在增材制造中的应用，推动该领域的持续创新和深入研究。
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