主管单位:中华人民共和国工业和信息化部
主办单位:西北工业大学  中国航空学会
地       址:西北工业大学友谊校区航空楼
铝蜂窝夹层结构穿孔损伤复合材料修理技术研究
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作者单位:

1.国营芜湖机械厂;2.国营芜湖机械厂 技术中心

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中图分类号:

V257

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Research on Composite Material Repair Technology for Perforated Damage of Aluminum Honeycomb Sandwich Structure
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Affiliation:

State-owned Wuhu Machinery Factory

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    摘要:

    铝蜂窝夹层结构穿孔损伤的高效、低成本修理对保障航空装备的完好性具有重要意义。针对铝蜂窝夹层结构穿孔损伤金属面板提出复合材料碳纤维湿补片胶接修理工艺,结合飞机典型铝蜂窝夹层结构形式制备完好和穿孔损伤试样,对穿孔损伤试样开展复合材料胶接修理,建立铝蜂窝夹层结构复合材料挖补胶接修理后四点弯强度分析有限元仿真分析模型,并通过仿真计算分析穿孔损伤大小对铝蜂窝夹层结构四点弯强度的影响规律及修复后强度恢复情况。结果表明:复合材料挖补胶接修理可有效恢复穿透损伤铝蜂窝夹层结构的弯曲强度;有限元仿真计算结果与试验结果基本一致,仿真模型能够较为准确地计算各类试样的极限载荷及失效模式;当损伤范围≤φ30 mm(径宽比小于40%)时,复合材料胶接修理工艺可应用于飞机铝蜂窝夹层结构损伤修理中。

    Abstract:

    The high efficiency and low cost repair of perforation damage of aluminum honeycomb sandwich structure is of great significance to ensure the integrity of aviation equipment.In this paper, the intact and perforated aluminum honeycomb sandwich samples were designed and prepared. Four point bending failure test and finite element simulation analysis were carried out on intact, perforated and repaired composite material specimens. The experimental and simulation results show that the bending strength of aluminum honeycomb sandwich structure can be effectively restored by using composite materials bonding method . The results of finite element simulation are in good agreement with the experimental results. The simulation model can accurately calculate the ultimate load and failure mode of all kinds of samples. The simulation results show that when the damage range is ≤φ30mm (diameter to width ratio is less than 40%), the adhesive repair technology of composite materials can be applied to the damage repair of aluminum honeycomb sandwich structures of aircraft.

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引用本文

季国梁,薛晓,刘文浩.铝蜂窝夹层结构穿孔损伤复合材料修理技术研究[J].航空工程进展,2023,14(5):120-127

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历史
  • 收稿日期:2023-05-23
  • 最后修改日期:2023-07-22
  • 录用日期:2023-08-10
  • 在线发布日期: 2023-10-07
  • 出版日期: