Multivariate Calibration of Concentrations of C, Mn, Si, Cr, Ni, and Cu in Low-Alloy Steels from Raw Low-Resolution Spectra Obtained By Laser-Induced Breakdown Spectroscopy

Multivariate models were developed on the basis of raw low-resolution LIBS spectra of reference samples of lowalloy steels for calibration of the concentrations of the six chemical elements (C, Mn, Si, Cr, Ni, and Cu) that are the main technological and alloying additives. The multivariate models fo...

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Bibliographic Details
Published in:Journal of applied spectroscopy 2021-11, Vol.88 (5), p.970-974
Main Authors: Belkov, M. V., Borisevich, D. A., Catsalap, K. Y., Khodasevich, M. A.
Format: Article
Language:English
Subjects:
Additives
Alloys
Analytical Chemistry
Atomic/Molecular Structure and Spectra
Calibration
Chemical elements
Chromium
Copper
Laser induced breakdown spectroscopy
Low alloy steels
Manganese
Multivariate analysis
Nickel
Physics
Physics and Astronomy
Silicon
Specialty metals industry
Spectrum analysis
Tool-steel
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Summary:Multivariate models were developed on the basis of raw low-resolution LIBS spectra of reference samples of lowalloy steels for calibration of the concentrations of the six chemical elements (C, Mn, Si, Cr, Ni, and Cu) that are the main technological and alloying additives. The multivariate models for the C (mean-square deviation for the tested dataset 0.06%) and Mn (0.12%) content are quantitative with sufficient accuracy for practical application, semiquantitative for Si (0.09%) and Ni (0.07%), and qualitative for Cr (0.13%) and Cu (0.08%)
ISSN:0021-9037
1573-8647
DOI:10.1007/s10812-021-01267-4