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<p>The properties of the surface layers of metal degraded as a&#xa0;result of anodic electrochemical corrosion were investigated using Rayleigh surface acoustic waves. A&#xa0;method for their evaluation based on determining the propagation velocity of surface waves was proposed. The method was tested on low-carbon steel samples subjected to electrochemical corrosion in a&#xa0;4% aqueous NaCl solution. The spatial distribution of the properties of the metal surface layers by depth was examined using a&#xa0;sequential layer-by-layer grinding technique followed by measurements of the surface acoustic wave velocity. The thickness of the layer with altered properties and the shear acoustic wave velocity within it were determined based on the obtained results. Changes in the shear modulus were also assessed.</p>

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Study of the corrosion influence on the surface layer of low-carbon steel by means of Rayleigh acoustic waves

  • 期刊论文

  • 发表日期：

    2026年7月17日

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  • O. M. Mokryy

摘要

The properties of the surface layers of metal degraded as a result of anodic electrochemical corrosion were investigated using Rayleigh surface acoustic waves. A method for their evaluation based on determining the propagation velocity of surface waves was proposed. The method was tested on low-carbon steel samples subjected to electrochemical corrosion in a 4% aqueous NaCl solution. The spatial distribution of the properties of the metal surface layers by depth was examined using a sequential layer-by-layer grinding technique followed by measurements of the surface acoustic wave velocity. The thickness of the layer with altered properties and the shear acoustic wave velocity within it were determined based on the obtained results. Changes in the shear modulus were also assessed.