Compulsory and forbidden actions in galvanized and Duplex coatings application

openaccess, Vol. 638 (10) 2025 / niedziela, 26 października, 2025

Konieczne i zabronione postępowanie przy aplikacji powłok cynkowych zanurzeniowych i systemów Duplex

(Open Access)

DOI: 10.15199/33.2025.10.05

citation/cytuj: Królikowska A., Bonora P. L., Paszek U. Compulsory and forbidden actions in galvanized and Duplex coatings application. Materiały Budowlane. 2025. Volume 638. Issue 10. Pages 37-47. DOI: 10.15199/33.2025.10.05

HDG (Hot Dip Galvanized Coatings) and Duplex System are the protection methods widely used in various areas of the economy, including construction and infrastructure. This article aims to highlight the possible preventive interventions inherent to thesementiored protection technologies, dealing with the effects of steel composition, shape, dimensions and detailed structure of the parts to be hot dip galvanized as well as composition and other features of the molten Zinc bath. The dependency of the service life of the treated objects as a function of both environment and other metals connections are analyzed with life examples. The complex procedures suitable to provide a safe extension of both the inner zinc coating and the metal structure itself under the organic coating are examined together with possible mistakes and carelessness which might heavily affect the efficiency of the system.

Cynkowe powłoki ogniowe i system Duplex są metodami ochrony powszechnie stosowanymi w różnych dziedzinach gospodarki, w tym w budownictwie i infrastrukturze. W artykule wskazano możliwe interwencje zapobiegawcze związane z wymienionymi technologiami ochrony, zajmując się wpływem składu stali, kształtu, wymiarów i szczegółowej struktury części, które mają być cynkowane ogniowo, a także składu i innych cech kąpieli stopionego cynku. Przeanalizowano zależność żywotności obiektów poddanych obróbce w funkcji zarówno środowiska, jak i połączeń z innymi metalami na przykładach. Zbadano złożone procedury odpowiednie do zapewnienia bezpiecznego przedłużenia zarówno wewnętrznej powłoki cynkowej, jak i struktury metalowej pod powłoką organiczną wraz z możliwymi błędami i nieostrożnością, które mogą poważnie wpłynąć na efektywność systemu.
Hot-Dip Galvanized Coatings failures; Duplex System; HDG coatings service life.

wady powłok cynkowanych ogniowo; system Duplex; trwałość powłok cynkowanych ogniowo.
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dr inż. Agnieszka Królikowska, Instytut Badawczy Dróg i Mostów
ORCID: 0000-0002-0378-0386
prof. Pier Luigi Bonora, Past professor of Trento University
mgr inż. Urszula Paszek, Instytut Badawczy Dróg i Mostów
ORCID: 0000-0002-6137-9099

mgr inż. Urszula Paszek, Instytut Badawczy Dróg i Mostów
ORCID: 0000-0002-6137-9099

Correspondence address: urszula.paszek@ibdim.edu.pl

Full paper:

DOI: 10.15199/33.2025.10.05

Article in PDF file

Received: 03.07.2025 / Artykuł wpłynął do redakcji: 03.07.2025 r.
Revised: 02.09.2025 / Otrzymano poprawiony po recenzjach: 02.09.2025 r.
Published: 23.10.2025 / Opublikowano: 23.10.2025 r.