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Comparison of the corrosion resistance of zinc coatings obtained in baths with the addition of Al, Ni, Pb, Bi and Sn

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F22%3A00360550" target="_blank" >RIV/68407700:21220/22:00360550 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.15199/40.2022.7.1" target="_blank" >https://doi.org/10.15199/40.2022.7.1</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.15199/40.2022.7.1" target="_blank" >10.15199/40.2022.7.1</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Comparison of the corrosion resistance of zinc coatings obtained in baths with the addition of Al, Ni, Pb, Bi and Sn

  • Original language description

    The article presents the results of research on the influence of Al, Ni, Pb, Bi and Sn additives in a zinc bath on the microstructure and corrosion resistance of zinc coatings. The microstructure at high magnifications (SEM) was revealed on the surface and cross-section of the coatings, and the chemical composition in micro-regions was determined. The corrosion resistance of the coatings was tested comparatively in neutral salt spray (PN EN ISO 9227) and in a humid atmosphere containing sulfur compounds (PN EN ISO 6988). The electrochemical corrosion parameters of the coatings were determined. It was found that the coatings obtained in the baths containing Pb, Bi and BiSn additives showed lower corrosion resistance compared to the coatings obtained in the Zn-AlNi bath. The microstructural tests showed the occurrence of Pb, Bi and BiSn alloy precipitates in the coating. These precipitates have a more electropositive potential in relation to zinc, which favors the formation of additional corrosion cells.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database

  • CEP classification

  • OECD FORD branch

    20506 - Coating and films

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Ochrona przed korozja

  • ISSN

    0473-7733

  • e-ISSN

  • Volume of the periodical

    65

  • Issue of the periodical within the volume

    7

  • Country of publishing house

    PL - POLAND

  • Number of pages

    13

  • Pages from-to

    203-215

  • UT code for WoS article

    000835363500001

  • EID of the result in the Scopus database

    2-s2.0-85135457499