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THE INFLUENCE OF ADDITIONAL PROCESSING AFTER OXY-ACETYLENE CUTTING ON THE STRUCTURE AND CORROSION RESISTANCE OF THE ZINC COATING

1 WĘGRZYNKIEWICZ Sylwia
Co-authors:
2 JĘDRZEJCZYK Dariusz 3 SZŁAPA Ilona 2 HAJDUGA Maciej
Institutions:
1 BELOS-PLP S.A., Bielsko- Biala, Poland, EU, Sylwia.Wegrzynkiewicz@belos-plp.com.pl
2 University of Bielsko-Biala, Bielsko- Biala, Poland, EU, djedrzejczyk@ath.bielsko.pl, mhajduga@ath.bielsko.pl
3 BISPOL S.A., Bielsko- Biala, Poland, EU, iszlapa@bispol.com.pl
Conference:
23rd International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 21 - 23, 2014
Proceedings:
Proceedings 23rd International Conference on Metallurgy and Materials
Pages:
820-825
ISBN:
978-80-87294-52-9
ISSN:
2694-9296
Published:
18th June 2014
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
314 views / 152 downloads
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Abstract

Paper presents the results of investigation regarding the influence of additional processing after oxy-acetylene cutting on the structure and corrosion resistance of the zinc coating. Research was focused on fittings for overhead power lines – a double eyes links type SLINK. Additional processing were used after oxy-acetylene cutting: softening annealing, grinding and electropolishing. Then, prepared materials were subjected to an abrasive blasting – steel shot GL40 and chemical treatment – pickling (hydrochloric acid) and fluxing (TIBFLUX60). The hot-dip Zn galvanizing process was conducted in industrial conditions. Parameters were fixed: temperature 457 °C, dipping time 2.5min. It was found out that the hot-dip zinc coating on the softening annealing surface demonstrates the best corrosion resistance.

Keywords: softening annealing, oxy-acetylene cutting, heat affected zone, zinc coating, hot-dip zinc galvanizing

© 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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