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<p>Peculiarities of the structure formation of surface layers on 12Cr18Ni10Ti steel under the action of femtosecond laser irradiation were investigated. The effect of the scanning speed of the laser beam on the formation of surface microrelief and possible phase transformations was evaluated. The formation of a&#xa0;peculiar microrelief of the surface can be explained by the complex effect of laser irradiation, which intensifies the redistribution of alloying elements of steel in the surface layers, changing their elemental composition in some places, initiates deformational phase transformations, and promotes fragmentation and grinding of the microstructure.</p>

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Formation of periodic structures on the surface of 12Cr18Ni10Ti steel with ultrashort laser pulses

  • 期刊论文

  • 发表日期：

    2025年7月1日

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  • T. L. Tepla,
  • Z. A. Duriagina,
  • D. Mierzhwiński,
  • M. Nykiel,
  • K. Korniejenko,
  • A. Kostryzhev,
  • L. I. Bohun,
  • A. V. Andreikiv

摘要

Peculiarities of the structure formation of surface layers on 12Cr18Ni10Ti steel under the action of femtosecond laser irradiation were investigated. The effect of the scanning speed of the laser beam on the formation of surface microrelief and possible phase transformations was evaluated. The formation of a peculiar microrelief of the surface can be explained by the complex effect of laser irradiation, which intensifies the redistribution of alloying elements of steel in the surface layers, changing their elemental composition in some places, initiates deformational phase transformations, and promotes fragmentation and grinding of the microstructure.