Researching | Quantitative Analysis of Mn and Ni Elements in Steel Based on LIBS and GA-PLS

Spectroscopy and Spectral Analysis, Volume. 42, Issue 6, 1804(2022)

Quantitative Analysis of Mn and Ni Elements in Steel Based on LIBS and GA-PLS

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Fig. 1. Experimental setup

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Fig. 2. Typical spectra of steel samples

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Fig. 3. PLS model prediction results for Mn elements

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Fig. 4. PLS model prediction results for Ni elements

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Fig. 5. Screening and prediction results of Mn by GA-PLS

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Fig. 6. Screening and prediction results of Ni by GA-PLS

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Table 1. Content of Mn and Ni in 12 steel samples (Wt%)

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Table 1. Content of Mn and Ni in 12 steel samples (Wt%)

编号	钢样牌号	Mn	Ni
1	20Cr	0.605	0.108
2	20CrMo	0.622	0.018
3	20CrNiMo	0.891	0.013
4	35#	0.542	0.046
5	35CrMo	0.581	0.022
6^*	40Cr	0.793	0.451
7	42CrMo	0.920	0.015
8	201	16.5	2.07
9^*	202	10.2	4.04
10	303	1.76	8.58
11	304	1.15	8.16
12^*	316	0.836	10.2

Table 2. Comparison of results for PLS and GA-PLS models
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Table 2. Comparison of results for PLS and GA-PLS models
元素算法校正集测试集
$R_{C}^{2}$ RMSE_C $R_{P}^{2}$ RMSE_P RPD
Mn PLS 0.865 6 1.801 8 0.661 0 4.561 0 1.5
GA-PLS 0.902 8 2.091 2 0.999 0 1.347 3 2.5
Ni PLS 0.969 2 0.597 5 0.963 7 1.218 8 4.0
GA-PLS 0.988 4 0.371 6 0.999 5 0.525 4 8.6

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. Quantitative Analysis of Mn and Ni Elements in Steel Based on LIBS and GA-PLS[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1804

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Paper Information

Category: Research Articles

Received: May. 26, 2021

Accepted: --

Published Online: Nov. 14, 2022

The Author Email:

DOI:10.3964/j.issn.1000-0593(2022)06-1804-05

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