针对蜂窝夹层板的共固化工艺,以玻纤/环氧648复合材料为面板,以Nomex蜂窝为夹芯材料,采用真空袋法研究了树脂流动对胶瘤面积和面板孔隙缺陷的影响,并通过平拉强度的测试考察了胶接强度与胶瘤面积之间的关系.结果表明:胶瘤面积随加压时机的推迟先增大后减小,并且下面板/芯材胶瘤面积要大于上面板/芯材胶瘤面积;在树脂黏度变化的不同阶段,面板中的孔隙消除机制不同,并与密封袋内抽气通路的分布有关.力学测试结果发现,胶瘤面积的增大有利于平拉强度的提高,但当胶接强度超过蜂窝抗拉强度时,平拉强度的测试方法存在局限性.
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