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Detection of pH increase at the surface of cathodically polarized metal by means of amphoteric metals activation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F16%3A43902881" target="_blank" >RIV/60461373:22310/16:43902881 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.4028/www.scientific.net/MSF.844.55" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/MSF.844.55</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4028/www.scientific.net/MSF.844.55" target="_blank" >10.4028/www.scientific.net/MSF.844.55</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Detection of pH increase at the surface of cathodically polarized metal by means of amphoteric metals activation

  • Original language description

    Nowadays, the cathodic protection is a common way of additional corrosion protection of buried structures. This protection is usually accompanied by cathodic polarisation on the protective potential of -850 mV(CSE). Its function is to prevent undesirable corrosion rates, in case the coating protection fails. Objective was to predict a state in terms of passivity or activity in which a carbon steel is in. And to do so, there is a monitoring of pH values by amphoteric metals, which would track pH changes of cathodically protected material in a soil. For pH detection, Al and Zn, were used. Main aim was to track corrosion rate of these amphoteric metals as a most reliable way to predict pH changes. Cathodic protection led to higher pH values of model soil located closely to surface of protected material. In case of carbon steel, alkalisation led to passive state and in the same time amphoteric metals could exist in active state. The aim of this work was to clarify usage of monitoring the corrosion rate of amphoteric metals for detection of pH values influenced by cathodic polarisation.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JK - Corrosion and material surfaces

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA106%2F07%2F1038" target="_blank" >GA106/07/1038: Cathodic passivation of steel</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2016

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Mater. Sci. Forum

  • ISSN

    0255-5476

  • e-ISSN

  • Volume of the periodical

    844

  • Issue of the periodical within the volume

    únor

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    3

  • Pages from-to

    55-58

  • UT code for WoS article

  • EID of the result in the Scopus database

    2-s2.0-84959894561