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Multivariate Calibration of Concentrations of C, Mn, Si, Cr, Ni, and Cu in Low-Alloyed Steels from Raw Spectra with Low Resolution Obtained by Laser-Induced Breakdown Spectroscopy Method
Abstract
Multivariate models were developed on the base of raw low-resolution LIBS spectra of reference samples of low-alloyed steels for calibration of the concentrations of six chemical elements (C, Mn, Si, Cr, Ni, and Cu), which are the main technological and alloying additives. The multivariate models for C (RMSE=0.06% for test dataset) and Mn (0.12%) content are quantitative with an accuracy sufficient for practical application, semi-quantitative for Si (0.09%) and Ni (0.07%), and qualitative for Cr (0.13%) and Cu (0.08%).
About the Authors
M. V. Belkov
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
D. A. Borisevich
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
K. Y. Catsalap
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
M. A. Khodasevich
B. I. Stepanov Institute of Physics of the National Academy of Sciences of Belarus
Belarus
Belarus
Minsk
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Review
For citations:
Belkov M.V., Borisevich D.A., Catsalap K.Y., Khodasevich M.A. Multivariate Calibration of Concentrations of C, Mn, Si, Cr, Ni, and Cu in Low-Alloyed Steels from Raw Spectra with Low Resolution Obtained by Laser-Induced Breakdown Spectroscopy Method. Zhurnal Prikladnoii Spektroskopii. 2021;88(5):737-742. (In Russ.)
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