Improvement in classification accuracy of stainless steel alloys by laser-induced breakdown spectroscopy based on elemental intensity ratio analysis

被引：0

作者：

Sungho SHIN ^{[1
]}

Youngmin MOON ^{[1
,2
]}

Jaepil LEE ^{[1
]}

Eunsung KWON ^{[1
]}

Kyihwan PARK ^{[1
]}

Sungho JEONG ^{[1
]}

机构：

[1] School of Mechanical Engineering, Gwangju Institute of Science and Technology

[2] Engineering Solution Research Group, Research Institute of Industrial Science and Technology

来源：

Plasma Science and Technology | 2020年 / 07期

关键词：

laser-induced breakdown spectroscopy(LIBS); stainless steel; classification; intensity ratio;

D O I：

暂无

中图分类号：

TG115.33 [];

学科分类号：

080502 ;

摘要：

Laser-induced breakdown spectroscopy(LIBS) is a useful technique for accurate sorting of metal scrap by chemical composition analysis.In this work,a method for intensity-ratiobased LIBS classification of stainless steel applicable to highly fluctuating LIBS signal conditions is proposed.The spectral line pairs for intensity ratio calculation are selected according to elemental concentration and upper levels of emission lines.It is demonstrated that the classification accuracy can be significantly improved from that of full-spectra principal component analysis or intensity-based analysis.The proposed method is considered to be suited to an industrial scrap sorting system that requires minimal maintenance and low system price.

引用

页码：97 / 105

页数：9

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