工艺与制造英文2020被引 4
纤维牵引打印：连续纤维增强金属基复合材料的三维打印方法
Fiber Traction Printing: A 3D Printing Method of Continuous Fiber Reinforced Metal Matrix Composite
Xin Wang, Xiaoyong Tian, Qin Lian, Dichen Li · Hybrid Rapeseed Research Center of Shaanxi Province
摘要整理
提出了一种新型金属基复合材料自由成形制造方法——纤维牵引打印（FTP）技术。该工艺通过控制纤维与基体间的润湿行为，利用纤维束控制液态金属的截面形状，将其从圆形塑形为矩形，实现更精确的成形。FTP工艺可解决连续纤维增强金属基复合材料复杂结构的制造难题。研究详细讨论了首层单丝的打印工艺，并系统调查了纤维涂层厚度对复合材料力学性能和微观组织的影响。通过FTP工艺制备的复合材料抗拉强度达235.2 MPa，与常规工艺制备的复合材料性能相当。通过打印复杂结构验证了该方法的优势和创新性。此外，FTP方法适用于其他具有良好润湿性的材料体系，如改性碳纤维、表面活性剂和铝合金等。
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