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材料工程  2013 

修理工艺对边缘封闭蜂窝夹层结构弯曲性能的影响

DOI: 10.3969/j.issn.1001-4381.2013.12.005, PP. 27-31

Keywords: 蜂窝夹层结构,挖补修理,抗弯强度,破坏模式,强度恢复率

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Abstract:

采用四点弯加载方式研究含损伤的边缘封闭蜂窝夹层结构修理后的弯曲性能,同时分析损伤直径、损伤类型和修理设备对修理板弯曲性能的影响。结果表明所有修理板的抗弯强度恢复率基本处于90%以上;热压罐固化比热补仪固化效果稍好;胶接质量好的前提下,损伤大小对修理效果没有影响,然而损伤越严重,对胶接质量的要求就越高;修理后结构中央的抗弯强度恢复率比结构边缘损伤的高。

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