工艺与制造英文2023被引 18
感应焊接修复冲击损伤热塑性复合材料层板
Repair of Impacted Thermoplastic Composite Laminates Using Induction Welding
Vedant Modi, Aswani Kumar Bandaru, Karthik Ramaswamy, Conor Kelly, C.T. McCarthy, Tomás Flanagan, Ronan M. O’Higgins · University of Limerick
摘要整理
尽管复合材料在商用飞机中的应用趋势不断增长，但缺乏成熟的修复技术限制了热塑性复合材料的广泛应用。本研究对高性能热塑性复合材料——碳纤维增强聚醚酮酮（CF/PEKK）和碳纤维增强聚醚醚酮（CF/PEEK）进行了20 J低速冲击试验。冲击后，采用感应焊机对损伤层板进行修复，采用两种不同方法：在冲击区域焊接圆形补片（RT-1）；在热压作用下对冲击层板进行感应焊接（RT-2）。对修复后的层板进行压缩后冲击试验（CAI-R），并与传统压缩后冲击试验（CAI）结果进行对比。CF/PEKK材料中，RT-1和RT-2的强度分别比CAI提高13%和7%；CF/PEEK材料中，RT-1和RT-2的强度分别提高13%和17%。通过超声C扫描和CAI-R试验对损伤和修复技术进行了进一步分析，结果表明感应焊接可作为工业应用的修复技术。本研究结果对航空航天和汽车工业应用具有重要意义。
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