Analysis on the Morphology and Interface of the Phosphate Coating Prepared on X39Cr13 and S355J2 Steels

The article presents the results of the characterization of the geometric structure of the surface of unalloyed structural steel and alloyed (martensitic) steel subjected to chemical processing. Prior to phosphating, the samples were heat-treated. Both the surfaces and the cross-sections of the samp...

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Veröffentlicht in:	Materials 2024-06, Vol.17 (12), p.2805
Hauptverfasser:	Gwoździk, Monika, Bramowicz, Mirosław, Kulesza, Sławomir
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys Chemical composition Coatings Corrosion Corrosion resistance Dimensional analysis Fractal analysis Fractal geometry Fractals Heat treatment Iron compounds Martensitic stainless steels Mathematical morphology Metal industry Morphology Phosphate coatings Phosphates Phosphating (coating) Roundness Scanning electron microscopy Steel Steel, Structural Structural steels Surface geometry Zinc
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Beschreibung
Zusammenfassung:	The article presents the results of the characterization of the geometric structure of the surface of unalloyed structural steel and alloyed (martensitic) steel subjected to chemical processing. Prior to phosphating, the samples were heat-treated. Both the surfaces and the cross-sections of the samples were investigated. Detailed studies were made using scanning electron microscopy (SEM), XRD, metallographic microscopy, chemical composition analysis and fractal analysis. The characteristics of the surface geometry involved such parameters as circularity, roundness, solidity, Feret's diameter, watershed diameter, fractal dimensions and corner frequencies, which were calculated by numerical processing of SEM images.
ISSN:	1996-1944 1996-1944
DOI:	10.3390/ma17122805