复合材料科学与工程 ›› 2015, Vol. 0 ›› Issue (5): 93-96.

• 应用研究 • 上一篇    下一篇

高温环境下蜂窝夹层结构埋件拉脱性能研究

许文彬1*, 刘子仙1, 杨振宇2, 陈建祥1   

  1. 1.上海宇航系统工程研究所,上海 201109;
    2.北京航空航天大学航空科学与工程学院,北京 100191
  • 收稿日期:2014-12-08 出版日期:2015-05-28 发布日期:2021-09-13
  • 作者简介:许文彬(1985-),男,硕士,工程师,主要从事复合材料结构设计工作,deeny8@163.com。本文作者还有杜涵1和李红1

STUDIES ON PULL-OUT STRENGTH OF HONEYCOMB-STRUCTURE INSERTS IN HIGH TEMPERATURE

XU Wen-bin1*, LIU Zi-xian1, YAN Zhen-yu2, CHEN Jian-xiang1   

  1. 1. Aerospace System Engineering Shanghai, Shanghai 201109, China;
    2. School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China
  • Received:2014-12-08 Online:2015-05-28 Published:2021-09-13

摘要: 介绍了常温环境下和高温环境下蜂窝夹层结构埋件拉脱性能的试验和结果,对比分析了高温环境对埋件拉脱性能的影响。结果发现,埋件在受法向拉脱力时,高温环境中承载力下降为常温的8%左右,且失效模式也发生了变化,由常温的蜂窝芯剪切破坏变为面板与蜂窝芯脱粘破坏;埋件在受面内拉脱力时,常温环境和高温环境下埋件分别呈现出了两种典型的失效模式,常温环境中失效模式为面板压缩破坏,高温环境中失效模式为面板皱褶失稳破坏,且拉脱力降为常温的28%左右。

关键词: 蜂窝夹层结构, 埋件, 高温, 拉脱力, 测试

Abstract: The pull-out strength of honeycomb-structure inserts in room temperature and in high temperature were studied. The results were discussed and the effects of high temperature on inserts pull-out strength were analyzed. It was found that the normal pull-out strength of inserts in high temperature was reduce to about 8% of that in room temperature, and the failure mode is changed from shear failure of honeycomb to interface debonding of panel and honeycomb. It presents two typical failure modes when exerting parallel force on inserts in room temperature and in high temperature, respectively. The failure mode in room temperature is panel compression failure, while the failure mode in high temperature is panel instability failure, and the pull-out strength tested in high temperature reduces to about 28% of which tested in room temperature.

Key words: honeycomb sandwich structure, inserts, high temperature, pull-out strength, test

中图分类号: