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THE INFLUENCE OF SURFACE PREPARATION STEEL 41C4 ON THE NATURE AND CORROSION RESISTANCE OF THE HOT-DIP ZINC COATING

1 WĘGRZYNKIEWICZ Sylwia
Co-authors:
2 WAŚ-SOLIPIWO Joanna 2 PIECHA Inga 2 MAŚLANKA Marek 3 HAJDUGA Maciej
Institutions:
1 BELOS - PLP S.A., Bielsko-Biała, Poland, EU
2 Research and Development Institute of Automotive Industry BOSMAL Sp. z o.o., Bielsko-Biała, Poland, EU
3 Academy of Technology and Humanities, Bielsko-Biała, Poland, EU
Conference:
25th Anniversary International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 25th - 27th 2016
Proceedings:
Proceedings 25th Anniversary International Conference on Metallurgy and Materials
Pages:
898-903
ISBN:
978-80-87294-67-3
ISSN:
2694-9296
Published:
14th December 2016
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
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Abstract

The influence of surface preparation of steel 41Cr4 on the structure and corrosion resistance of the zinc coating has been presented in the paper. The aim of the study was to determine the method of surface preparation fittings for overhead power lines made of steel 41Cr4 guaranteed to obtain zinc coating of a required thickness and high corrosion resistance. The prepared materials were subjected to an abrasive blasting - steel shot GL40 and chemical treatment - pickling (hydrochloric acid) and fluxing (TIBFLUX60). The hot - dip zinc galvanizing process was conducted in industrial conditions in 457 oC. The (Zn) - coating morphologies and sub-layer thicknesses were evaluated on the basis of metallographic analysis. The correlation between the results of corrosion test and coatings morphology was determined.

Keywords: Surface preparation, abrasive blasting, chemical treatment, hot-dip zinc galvanizing, corrosion resistance

© This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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