Machines. Technologies. Materials.
Vol. 17 (2023), Issue 4, pg(s) 155-157

TECHNOLOGIES

Study of the properties of the metal surface after pre-treatment by phosphating

  • 1 Technical University of Košice, Slovak Republic

Abstract

The contribution is focused on the analysis of the roughness of metal surfaces after applying a conversion layer using phosphating. The types of basic materials is used in the experiment hot-dip galvanized microalloyed steel HX340LAD+Z. During the application of the conversion layer, changes in surface roughness were studied with respect to the phosphating time, which was 3, 5 and 10 minutes. The paper deals with the evaluation of the relationship between the individual roughnesses parameters of pre-treated surfaces using correlation analysis. Based on the measured roughness values on the surfaces, the standard of statistical significance of the correlation between the observed parameters was determined from them. The achieved results provide information for other technological operations such as the creation of adhesive joints, where the correct anchoring of the adhesive is important for load bearing capacity of joints.

Keywords

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