Determination of manganese in submerged steel using Fraunhofer-type line generated by long-short double-pulse laser-induced breakdown spectroscopy

Cui, Minchao; Deguchi, Yoshihiro; Li, Guoxi; Wang, Zhenzhen; Guo, Haorong; Qin, Zixiong; Yao, Changfeng; Zhang, Dinghua

doi:10.1016/j.sab.2021.106210

Cited by 7 publications

(2 citation statements)

References 42 publications

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“…Two papers by the same research group have discussed the application of long-short, double pulse LIBS to the determination of Mn in underwater steel samples. 21,22 In the first example, by Cui et al , it was emphasised that underwater LIBS suffers from numerous problems including self-absorption effects, weak signal intensity and low lifetime of the signal. These could all be overcome using Fraunhofer-type lines.…”

Section: Metalsmentioning

confidence: 99%

Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

Carter¹,

Clough

Fisher

et al. 2022

J. Anal. At. Spectrom.

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Section: Metalsmentioning

confidence: 99%

Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

Carter¹,

Clough

Fisher

et al. 2022

J. Anal. At. Spectrom.

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“…As a result, LIBS is widely used to explore chemical composition in the industry [6][7][8], space [9,10], underwater [11,12], and geology [13,14] fields, among others. Our research group [15][16][17] also conducted related research on long-short double-pulse laser-induced breakdown spectroscopy technology, and performed a quantitative analysis of steel. LIBS has the advantages of a wide range of analyzable elements, low requirements for the preparation of the substances to be tested, rapid real-time online detection, and high accuracy of quantitative analysis.…”

Section: Introductionmentioning

confidence: 99%

Classification of Aviation Alloys Using Laser-Induced Breakdown Spectroscopy Based on a WT-PSO-LSSVM Model

et al. 2022

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It is well-known that aviation alloys of different grades show large differences in mechanical properties. At present, alloys must be strictly distinguished in the manufacturing plant because their close appearance and density are easily confused In this work, the wavelet transform (WT) method combined with the least squares support vector machine (LSSVM) is applied to the classification and identification of aviation alloys by laser-induced breakdown spectroscopy (LIBS). This experiment employed six different grades of aviation alloy as the classification samples and obtained 100 sets of spectral data for each sample. This research included the steps of preprocessing the obtained spectral data, model training, and parameter optimization. Finally, the accuracy of the training set was 99.98%, and the accuracy of the test set was 99.56%. Therefore, it is concluded that the model has superior generalization capacity and portability. The result of this work illustrates that LIBS technology can be adopted for the rapid identification of aviation alloys, which is of great significance for on-site quality control and efficiency improvement of aerospace parts manufacturing.

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Laser-ablation absorption spectroscopy: Reviewing an uncommon hyphenation

Merten

2022

Spectrochimica Acta Part B: Atomic Spectroscopy

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Determination of manganese in submerged steel using Fraunhofer-type line generated by long-short double-pulse laser-induced breakdown spectroscopy

Cited by 7 publications

References 42 publications

Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

Classification of Aviation Alloys Using Laser-Induced Breakdown Spectroscopy Based on a WT-PSO-LSSVM Model

Laser-ablation absorption spectroscopy: Reviewing an uncommon hyphenation

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