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Alternative TitleOnline Monitoring Laser Cleaning Effect of Carbon Fiber Reinforced Plastic by Laser Induced Breakdown Spectroscopy
孙兰香1,3,4; 王文举1,2; 齐立峰1,3,4; 陆莹1,3,4; 乔红超1,3,4; 汪为1,3,4,5
Source Publication中国激光
Indexed ByEI
EI Accession number20210609894521
Contribution Rank1
Funding Organization中国科学院前沿科学重点研究计划(QYZDJ-SSW-JSC037) ; 中国科学院青年创新促进会项目 ; “辽宁省‘兴辽英才计划’项目资助”(XLYC1807110)
Keyword激光诱导击穿光谱 碳纤维复合材料 激光清洗 实时监测


Other Abstract

Carbon fiber reinforced plastic (CFRP) have the advantages of light weight and strong hardness, and have received widespread attention in the industrial field. Laser cleaning of the epoxy resin film on the surface of the carbon fiber is beneficial to improve the adhesiveness. This article combines laser-induced breakdown spectroscopy (LIBS) technology to design an online laser cleaning monitoring system to monitor the laser cleaning effect in real time. The laser used in the experiment is a large number of fiber laser used in laser cleaning, which has high efficiency and flexible use, and can be used in multi-dimensional space processing. In this paper, the velocity of laser cleaning is determined, and the law of LIBS spectrum following the energy density of laser single pulse is studied. It was found that the Na (I) spectrum lines at 588.819 nm and 589.411 nm in the LIBS spectrum obtained can characterize the cleaning effect of carbon fiber composite materials. In the data analysis and processing, the mean smoothing method is used to remove the background, and the envelope spectrum continuous background is processed; The DBSCAN density clustering algorithm is used to separate the spectral noise from the effective data; Pearson coefficient analysis method is used to determine the optimal ablation times of laser cleaning(3times), which provides a basis for the automatic optimal control of laser cleaning process. Finally, the surface morphology of carbon fiber was analyzed by electron microscope, which confirmed the effectiveness of LIBS technology for online monitoring laser cleaning effect.

Document Type期刊论文
Corresponding Author孙兰香
Recommended Citation
GB/T 7714
孙兰香,王文举,齐立峰,等. 基于激光诱导击穿光谱技术在线监测碳纤维复合材料激光清洗效果[J]. 中国激光,2020,47(11):1-10.
APA 孙兰香,王文举,齐立峰,陆莹,乔红超,&汪为.(2020).基于激光诱导击穿光谱技术在线监测碳纤维复合材料激光清洗效果.中国激光,47(11),1-10.
MLA 孙兰香,et al."基于激光诱导击穿光谱技术在线监测碳纤维复合材料激光清洗效果".中国激光 47.11(2020):1-10.
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