工艺与制造英文2024被引 4
连续纤维增强热塑性复合材料3D打印的X波段微波吸收性能研究——工艺参数的影响
<scp>3D</scp>printing of continuous fiber reinforced thermoplastic composites: Effect of process parameters in X‐band microwave absorption performance
Ruosen Qin, Hongya Fu, Zhenyu Han, Shouzheng Sun, Hongyu Jin, Zhigang Cai · Harbin Institute of Technology
摘要整理
本研究系统调查了工艺参数对3D打印连续碳纤维增强聚乳酸复合材料在X波段（8~12 GHz）微波吸收性能的影响。基于正交试验设计，重点关注纤维取向和打印温度两个关键工艺参数。采用响应面法（RSM）进一步研究了纤维取向与打印温度的耦合效应对平均吸收率的影响，揭示了这些参数对微波吸收性能的作用机制。优化结果表明，最优工艺参数为纤维取向58.39°、打印温度230°C，对应的平均吸收率预测值为0.525。对应最优参数的试样力学性能已进行表征。实验结果表明，工艺参数的优化可显著提高平均吸收率。微观结构观察发现，孔隙对微波吸收性能和力学性能具有相反的影响规律。本研究为连续纤维增强热塑性复合材料3D打印在结构吸波材料中的进一步应用提供了重要的指导意义。
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