Preprocessing of Laser-Induced Breakdown Spectra of Low Alloy Steels and Cast Irons Using Partial Least-Squares Regression Analysis

Regression models for the analysis of manganese, chromium, nickel, copper, silicon, vanadium, titanium, and aluminum were constructed using partial least-squares regression based on a set of laser-induced breakdown spectra of low-alloy steels. The spectra were recorded in the range 288–325 nm with a...

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