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化工新型材料  2019, Vol. 47 Issue (11): 256-259    
  开发与应用 本期目录 | 过刊浏览 | 高级检索 |
复合材料泡沫夹层结构面板损伤缺陷贴补修补工艺研究
包啸1, 龚志红1, 何凯1, 李建川1, 崔益华2
1.航空工业成都飞机工业(集团)有限责任公司,成都610000;
2.南京航空航天大学,南京211100
Study on adding repair technology of panel flaw of composite foam sandwich structure
Bao Xiao1, Gong Zhihong1, He kai1, Li Jianchuan1, Cui Yihua2
1.AVIC Chengdu Aircraft Industrial (Group) Co.,Ltd.,Chengdu 610000;
2.Nanjing University of Aeronautics and Astronautics,Nanjing 211100
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摘要 制备了复合材料泡沫夹层结构面板缺陷试样,并采用贴补法对缺陷试样进行了修补。通过采用DG-3胶将预先固化好的修补贴片与缺陷区域进行胶接,并采用热补仪将贴补修补后的区域进行加热固化,对贴补修补完成后的试样进行了无损检测、力学性能测试及微观结构分析。结果表明,采用贴补修补后,缺陷直径分别为20mm、30mm试样的拉伸断裂强度分别为0.644MPa、0.641MPa,拉伸断裂强度恢复率分别为98.6%、98.1%;弯曲强度分别达到2.186MPa、2.017MPa,弯曲强度恢复率分别为125.0%、114.9%。采用贴补修补法进行修补后,力学性能得到很好的恢复,胶接区域的胶粘剂、修补件与修补贴片间胶接情况良好。
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包啸
龚志红
何凯
李建川
崔益华
关键词:  复合材料  泡沫夹层结构  贴补修补  强度恢复率    
Abstract: The panel flaw samples of composite foam sandwich were prepared,and the flaw samples were repaired by means of adding repair.The cured repair patch and flaw sample were glued by the DG-3 adhesive which were heated to curing by the hot bonder.Mechanical property,nondestructive testing and microstructure analysis of the repaired samples were carried out.The results showed that the tensile fracture strength of samples with defect diameters of 20mm and 30mm was 0.644MPa and 0.641MPa,and the recovery rate of tensile fracture strength was 98.6% and 98.1% respectively.The bending strength reached 2.186MPa and 2.017MPa,and the recovery rate of bending strength was 125.0% and 114.9%.The mechanical properties recovered well after the repair and the DG-3 adhesive of repair area achieved good adhesive condition.
Key words:  composite    foam sandwich structure    adding repair    recovery rate of strength
收稿日期:  2018-06-14                出版日期:  2019-11-20      发布日期:  2019-12-04      期的出版日期:  2019-11-20
作者简介:  包啸(1989-),男,硕士,工程师,主要从事碳纤维复合材料构件制造方面研究。
引用本文:    
包啸, 龚志红, 何凯, 李建川, 崔益华. 复合材料泡沫夹层结构面板损伤缺陷贴补修补工艺研究[J]. 化工新型材料, 2019, 47(11): 256-259.
Bao Xiao, Gong Zhihong, He kai, Li Jianchuan, Cui Yihua. Study on adding repair technology of panel flaw of composite foam sandwich structure. New Chemical Materials, 2019, 47(11): 256-259.
链接本文:  
https://www.hgxx.org/CN/  或          https://www.hgxx.org/CN/Y2019/V47/I11/256
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