工艺与制造英文2021被引 79
熔融沉积成型制造的短碳纤维增强PLA与连续碳纤维复合材料弯曲试验中的分层现象观察
Delamination observation occurred during the flexural bending in additively manufactured PLA-short carbon fiber filament reinforced with continuous carbon fiber composite
Nabeel Maqsood, Marius Rimašauskas · Kaunas University of Technology
摘要整理
增材制造（AM）或3D打印是通过优化打印参数，利用聚合物、陶瓷、金属和复合材料制造具有复杂几何形状零件的工艺。熔融沉积成型（FDM）是一种基于挤出的3D打印技术，广泛应用于热塑性材料和纤维增强热塑性复合材料的打印。该技术因使用简便、材料可调性强、成本低廉而被广泛采用，具有同时制造短纤维和连续纤维增强件的能力。连续碳纤维（CCF）具有超轻、高刚度和耐久性等特点，作为增强材料在工程应用中具有广泛的应用前景。本研究旨在通过FDM 3D打印技术将短碳纤维热塑性材料与连续碳纤维复合，制造连续碳纤维增强热塑性复合材料（CCFRTC）。制造完成后，对增材制造复合材料试样进行弯曲试验。试验过程中观察到分层现象。通过显微镜微观形貌分析对分层原因进行了研究、讨论和探索。最后提出了进一步的研究方向、改进建议和发展方案。
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