工艺与制造英文2020被引 30
玻纤增强热塑性复合材料的电阻焊接：实验研究与工艺参数优化
Resistance welding of glass fiber reinforced thermoplastic composite: Experimental investigation and process parameter optimization
Bing Du, Liming Chen, Houchang Liu, Qinghao He, Weiming Qin, Weiguo Li · Chongqing University of Science and Technology
摘要整理
玻纤增强热塑性复合材料（FRTP）因其轻量化特性，在大批量航空航天产品中应用前景广阔。针对FRTP零件的不可避免的装配需求，相比机械连接和胶粘剂粘接，熔融粘接方法（如电阻焊接）具有更大优势。本研究建立了一套程序来阐明加工条件与FRTP焊接接头性能之间的关系。试样采用热压法制备的连续玻纤增强聚丙烯（GF/PP）层板。系统研究了焊接时间、电流和压力对电阻焊接接头弯曲强度的影响。通过对焊接表面的光学观察，绘制了工艺窗口。采用响应面法（RSM）建立了工艺参数与GF/PP焊接接头力学性能的定量关系，精度较高。研究结果表明，GF/PP焊接接头的弯曲强度相比热压基准试样提高了31%。
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