Empress Catherine II Saint Petersburg Mining University, Saint Petersburg, Russia

E. I. Pryakhin, Dr. Eng., Prof., Head of the Dept. of Materials Science and Technology of Art Products, e-mail: e.p.mazernbc@yandex.ru
A. Yu. Dranova, Postgraduate Student, Dept. of Materials Science and Technology of Art Products, e-mail: alinadron98@gmail.com

Ya. E. Gekht, Student, Dept. of Underground Development of Deposits, e-mail: jangech95@gmail.com

National Research Center “Kurchatov Institute” - Central Research Institute of Structural Materials “Prometey”, St. Petersburg, Russia
G. Yu. Kalinin, Dr. Eng., Prof.

This paper presents the results of a comprehensive study of the influence of laser marking parameters on the structure and morphology of ultra-dense nanobarcode (NBC) modules formed on plates of structural steels, non-ferrous metals, and alloys. Using laser marking, the MiniMarker-2 system was used to apply codes to samples of corrosion-resistant steels (08Kh13, 12Kh17, 03Kh17N14M3), titanium, brass, and aluminum. Surface microrelief was analyzed using an optical microscope. The formation of ultra-dense matrix codes on the studied steels and alloys using laser radiation was determined. Optimal parameter ranges (power, speed) for each material, ensuring maximum contrast, were determined. Based on an analysis of the physicochemical properties of the materials, a classification of module formation mechanisms was developed and recommendations for selecting marking modes were provided.

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