Portable fiber-optic laser-induced breakdown spectroscopy system for the quantitative analysis of minor elements in steel

Qingdong ZENG (曾庆栋); Fan DENG (邓凡); Zhiheng ZHU (朱志恒); Yun TANG (唐云); Boyun WANG (王波云); Yongjun XIAO (肖永军); Liangbin XIONG (熊良斌); Huaqing YU (余华清); Lianbo GUO (郭连波); Xiangyou LI (李祥友)

doi:10.1088/2058-6272/aadede

Plasma Science and Technology > 2019 > 21(3): 34006-034006. > DOI: 10.1088/2058-6272/aadede

Qingdong ZENG (曾庆栋), Fan DENG (邓凡), Zhiheng ZHU (朱志恒), Yun TANG (唐云), Boyun WANG (王波云), Yongjun XIAO (肖永军), Liangbin XIONG (熊良斌), Huaqing YU (余华清), Lianbo GUO (郭连波), Xiangyou LI (李祥友). Portable fiber-optic laser-induced breakdown spectroscopy system for the quantitative analysis of minor elements in steel[J]. Plasma Science and Technology, 2019, 21(3): 34006-034006. DOI: 10.1088/2058-6272/aadede

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Portable fiber-optic laser-induced breakdown spectroscopy system for the quantitative analysis of minor elements in steel

¹ School of Physics and Electronic-information Engineering, Hubei Engineering University, Xiaogan 432000, People’s Republic of China
² Wuhan National Laboratory for Optoelectronics (WNLO), Huazhong University of Science and Technology, Wuhan 430074, People’s Republic of China

Funds: This work was supported by National Natural Science Foundation of China (Grant Nos. 61705064 & 11647122), the Natural Science Foundation of Hubei Province (Grant Nos. 2018CFB773 & 2018CFB672), and the Project of the Hubei Provincial Department of Education (Grant No. T201617).

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Received Date: May 16, 2018

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Abstract

Abstract

In this paper, we developed a portable laser-induced breakdown spectroscopy (LIBS) using an optical fiber to deliver laser energy and used it to quantitatively analyze minor elements in steel. The R² factors of calibration curves of elements Mn, Ti, V, and Cr in pig iron were 0.9965, 0.9983, 0.9963, and 0.991, respectively, and their root mean square errors of cross-validation were 0.0501, 0.0054, 0.0205, and 0.0245 wt%, respectively. Six test samples were used for the validation of the performance of the calibration curves established by the portable LIBS. The average relative errors of elements Mn, Ti, V, and Cr were 2.5%, 11.7%, 13.0%, and 5.6%, respectively. These results were comparable with most results reported in traditional LIBS in steel or other matrices. However, the portable LIBS is flexible, compact, and robust, providing a promising prospect in industrial application.
- laser-induced breakdown spectroscopy,
- optical fiber,
- quantitative analyses,
- minor element

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References (30)

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