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准分子激光表面处理对CFRP胶接强度的影响
刘良威1,胡晶晶1,刘锦1,袁野1,陈忠1
上海卫星装备研究所,上海 200240
摘要:
采用准分子激光表面处理技术用于碳纤维复合材料胶接面的预处理,通过对照试验、显微镜观察研究了表面处理方式、处理后清洗方式对胶接强度和离散系数的影响。结果表明:准分子激光表面预处理技术用于处理碳纤维复合材料胶接表面能明显提高其胶接强度,与砂纸打磨处理试片的胶接强度相当,但采用准分子激光处理的试片的胶接强度离散系数相对较小。
关键词:  复合材料  准分子激光  紫外激光  表面处理  胶接  胶黏剂
DOI:10.12044/j.issn.1007-2330.2019.04.009
分类号:V461
基金项目:
Effect of Excimer Laser Surface Treatment on Bonding Strength of Carbon Fiber Reinforced Plastic
LIU Liangwei1,HU Jingjing1,LIU Jin1,YUAN Ye1,CHEN Zhong1
Shanghai Institute of Spacecraft Equipment, Shanghai 200240
Abstract:
The excimer laser surface treatment technology was applied to the pretreatment of the carbon fiber composite bonding interface. The effects of surface treatment and post-treatment cleaning methods on the bonding strength and dispersion coefficient were studied by contrast test and microscope observation. The results show that the excimer laser surface pretreatment technology can significantly improve the bonding strength of the carbon fiber composite bonding interface, and there is not much difference in the bonding strength between the sandpaper grinding test piece and the excimer laser surface pretreatment piece.However, the adhesion strength of the test piece treated with the excimer laser showed relatively smaller coefficient of variation.
Key words:  Composite material  Excimer laser  Ultraviolet laser  Surface treatment  Bonding adhesive