胶粘剂性能对挖补修理层合板拉伸性能的影响

程小全; 赵文漪; 高宇剑; 包建文

胶粘剂性能对挖补修理层合板拉伸性能的影响

1.
北京航空航天大学航空科学与工程学院, 北京 100191
2. 北京航空材料研究院, 北京 100095

详细信息

作者简介:
程小全(1966-),男,江西崇仁人,教授,xiaoquan_cheng@buaa.edu.cn.

中图分类号: TB332
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- 文章访问数: 1498
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- 被引次数: 0
出版历程
- 收稿日期: 2012-11-09
- 网络出版日期: 2013-09-30

Influence of adhesive properties on tensile behavior of scarf repaired laminates

1.
School of Aeronautic Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. Beijing Institute of Aeronautical Materials, Beijing 100095, China

摘要

摘要: 利用非线性三维有限元模型,对挖补修理复合材料层合板的拉伸破坏行为进行研究,计算结果与试验结果吻合良好,证明了所建模型的有效性.在此基础上,分析了挖补修理层合板的拉伸破坏机理,以及胶粘剂力学性能对挖补结构拉伸性能的影响.最终,总结出挖补修理复合材料结构胶粘剂选用原则以及理想胶粘剂的性能特征.研究结果可为复合材料结构可修理性设计,以及挖补类复合材料层合板端面对接用胶粘剂的研制提供参考.
- 复合材料层合板 /
- 挖补修理 /
- 韧性胶粘剂 /
- 损伤扩展 /
- 拉伸
Abstract: Tensile failure behavior of scarf repaired composite laminates was studied with non-linear three dimensional finite element modeling. The finite element method(FEM) results are in good agreement with the testing results, which verifies the established model validity. Based on it, the tensile strength of scarf repaired laminates was calculated and the failure mechanism was analyzed. The influence of mechanical properties of the adhesives on the tensile behavior of scarf repaired composite laminates was studied. Finally, the principle of adhesive materials choosing for a scarf repaired composite laminate and the ideal adhesive-s characters were concluded. The results can provide references for the repairable design of composite structures, as well as the research and development on adhesive materials for scarf repaired composites with butt joints.
- composite laminates /
- scarf repair /
- toughed adhesive /
- damage propagation /
- tension

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参考文献(1)

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