复合材料科学与工程 ›› 2020, Vol. 0 ›› Issue (2): 111-116.

• 应用研究 • 上一篇    下一篇

补片形状对复合材料胶接贴补修补影响的预测与试验研究

侯炳强   

  1. 西安飞机工业(集团)有限责任公司,西安710089
  • 收稿日期:2019-09-02 出版日期:2020-02-28 发布日期:2020-02-28
  • 作者简介:侯炳强(1972-),男,硕士,高级工程师,主要从事飞机维修方面的研究。

SIMULATION AND EXPERIMENT ON THE EFFECT OFPATCH SHAPE ON ADHESIVE REPAIR OF COMPOSITE

HOU Bing-qiang   

  1. Xi′an Aircraft Industry (Group) Company Ltd., Xi′an 710089, China
  • Received:2019-09-02 Online:2020-02-28 Published:2020-02-28

摘要: 为研究复合材料胶接贴补方法的修补性能,对胶接结构开展了准静态拉伸试验,研究了室温下T9001复合材料胶接修补结构的静拉伸载荷-位移行为。以三维逐渐损伤理论为基础,创建了复合材料胶接修补模型,利用APDL语言实现对不同补片形状的胶接修补结构在静拉伸载荷作用下的最终失效载荷的预测分析。同时,进行相关试验,测得的胶接修补结构的失效载荷与预测结果吻合较好。结果表明,正放的方形补片的修补效果最佳。最后利用X光机对胶接修补结构的最终损伤模式及损伤范围进行了检测,试验结果与计算预测结果较吻合。

关键词: 复合材料, 拉伸试验, 补片形状, 胶接修补, 逐渐损伤

Abstract: In order to investigate the performance of the adhesive bonding repair in composite,static tensile test is carried out on the bonding structure numerically and experimentally. The tensile load-displacement behaviors of T9001 composite adhesive bonding structure is studied under room temperature. Based on the three-dimensional progressive damage theory, the model of adhesive bonding structure with different patch shape has been constructed, and the final failure strength is predicted using APDL language. Moreover, experiment has been performed on each adhesive bonding structure with different patch shape. The results indicate a good agreement with numerical predictions. And, it is found that the repair effect of the adhesive bonding structure with the square patch is better than others. The final damage pattern and damage range of the patch repair structure are also tested by X-ray machine, which is consistent with the simulation results.

Key words: composite material, tensile test, patch shape, adhesive bonding repair, progressive damage

中图分类号: