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Laser induced breakdown spectroscopy online monitoring of laser cleaning quality on carbon fiber reinforced plastic
Wang WJ(王文举); Sun LX(孙兰香); Lu Y(陆莹); Qi LF(齐立峰); Wang W(汪为); Qiao HC(乔红超)
Department工业控制网络与系统研究室
Source PublicationOptics and Laser Technology
ISSN0030-3992
2022
Volume145Pages:1-10
Indexed BySCI ; EI
EI Accession number20213810911005
WOS IDWOS:000704660300004
Contribution Rank1
Funding OrganizationKey Research Program of Frontier Sciences, CAS (QYZDJ-SSW-JSC037) ; LiaoNing Revitalization Talents Program (XLYC1807110) ; Youth Innovation Promotion Association, CAS (Y201834)
KeywordCarbon fiber reinforced polymer Laser cleaning Laser-induced breakdown spectroscopy Real-time monitoring
Abstract

Carbon fiber reinforced polymer (CFRP) has attracted extensive attention in the industrial field due to its advantages of light weight and high hardness. The use of laser to clean the epoxy resin film on the surface of the carbon fiber is beneficial to improve the bonding performance. Combined with laser-induced breakdown spectroscopy (LIBS) technology, an on-line monitoring system for laser cleaning is designed to monitor the quality of laser cleaning in real time. The laser used in the experiment is a fiber laser widely used in laser cleaning, which has high cleaning efficiency, flexible use, and can be processed in a multi-dimensional space. The system is coupled with the scanning galvanometer which can be cleaned dynamically in all directions. The function of fast, real-time and high-resolution on-line monitoring of cleaning quality is realized. In this paper, prior information such as element composition and LIBS spectrum of epoxy resin and substrate carbon fiber in CFRP materials were obtained, and the differences were compared and analyzed. The results shown that the LIBS technology was feasible to monitor the cleaning quality. Subsequently, the experiment tested the influence of the laser process parameters on the LIBS characteristic spectrum, and it was confirmed that the average spectral intensity value at the wavelength (588.819 nm) was positively correlated with the average laser power. After that, according to the measured LIBS characteristic strength value, three evaluation grades of cleaning quality were effectively delineated. The piecewise linear fitting method was used to solve the value range of LIBS mapped by different grades, and the key data such as the optimal cleaning parameter threshold were calculated. Finally, scanning electron microscope (SEM) was used to observe the morphological characteristics of samples after laser cleaning under different grades, confirming that the LIBS characteristic line could effectively characterize the quality of laser cleaning.

Language英语
WOS SubjectOptics ; Physics, Applied
WOS KeywordDEPOSITION ; WALL
WOS Research AreaOptics ; Physics
Funding ProjectKey Research Program of Frontier Sciences, CAS[QYZDJ-SSW-JSC037] ; LiaoNing Revitalization Talents Program[XLYC1807110] ; Youth Innovation Promotion Association, CAS[Y201834]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/29662
Collection工业控制网络与系统研究室
Corresponding AuthorSun LX(孙兰香)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, 110016, China
2.Northeastern University, Shenyang, 110006, China
3.Key Laboratory of Networked Control Systems, Chinese Academy of Sciences, Shenyang, 110016, China
4.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, 110169, China
Recommended Citation
GB/T 7714
Wang WJ,Sun LX,Lu Y,et al. Laser induced breakdown spectroscopy online monitoring of laser cleaning quality on carbon fiber reinforced plastic[J]. Optics and Laser Technology,2022,145:1-10.
APA Wang WJ,Sun LX,Lu Y,Qi LF,Wang W,&Qiao HC.(2022).Laser induced breakdown spectroscopy online monitoring of laser cleaning quality on carbon fiber reinforced plastic.Optics and Laser Technology,145,1-10.
MLA Wang WJ,et al."Laser induced breakdown spectroscopy online monitoring of laser cleaning quality on carbon fiber reinforced plastic".Optics and Laser Technology 145(2022):1-10.
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