工艺与制造英文2024被引 4
连续碳纤维增强复合材料3D打印工艺参数优化
Process parameters optimization for 3d printing of continuous carbon fiber reinforced composite
Jiuming Xie, Xuejun Zhou, Yuesen Liu, J. G. Zhang, Wei Wang · TianjinSino-German University of Applied Sciences
摘要整理
为提高3D打印碳纤维增强复合材料（CFRP）制件的质量和力学性能，本研究提出了分层相干复合扫描路径方法制备3D打印CFRP层板，并通过正交试验和单因素试验研究了层厚、首层厚度、喷嘴温度和打印速度等工艺参数对CFRP制件力学性能的影响规律。采用灰色关联分析方法对正交试验结果的多目标参数进行分析，基于试验结果对3D打印CFRP工艺参数进行了优化。研究结果表明，工艺参数对CFRP层板力学性能的影响程度从大到小依次为：层厚、喷嘴温度、首层厚度和打印速度。最优工艺参数组合为：层厚0.25 mm、首层厚度0.2 mm、喷嘴温度180°C、打印速度45 mm/s。在该参数组合下，样件的拉伸强度、弯曲强度和层间剪切强度（ILSS）分别达到52.77 MPa、276.63 MPa和38.56 MPa，灰色关联度提升至0.845。
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