Porosity is one of the most unavoidable defects in composite part which has significant impact on structural strength. The sandwich structural composite parts were manufactured by vacuum bag-autoclave co-curing method. Porosity of sandwich composite part laminated area with variable thickness was studied by adjusting compaction parameters including compaction vacuum, compaction time and ancillary material types. Results show that improving compaction vacuum, extending compaction time appropriately and using perforated release film A4000RP3 and breather Style PC3 can reduce the porosity of composite part variable thickness area.
文诗琦,文友谊,何思敏,李棵,杨永忠. 预压实参数对复材构件变厚层压区孔隙率的影响[J]. 航空制造技术, 2018, 61(14): 45-49.
WEN Shiqi, WEN Youyi, HE Simin, LI Ke, YANG Yongzhong. Influence of Compaction Parameters on Porosity of Composite Part Laminated Area With Variable Thickness. Aeronautical Manufacturing Technology, 2018, 61(14): 45-49.