Water uptake in organic coatings and its reflection in measured coating impedance - Publikacja - MOST Wiedzy

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Water uptake in organic coatings and its reflection in measured coating impedance

Abstrakt

Water uptake in commercially available epoxy coating on mild steel using impedance spectroscopy and gravimetry
was studied. The water content in the coating was determined using the Brasher-Kingsbury equation and
various methods of coating capacitance calculation used in the literature. The obtained results were compared
with reference gravimetric data. An overestimation of values obtained from impedance data in relation to
gravimetric data was observed. It was found that the calculation of the effective coating capacitance needs to use
both constant phase element (CPE) parameters. Using principal component analysis (PCA) a strong correlation
between them and gravimetric data was found. The use of formula of effective capacitance in the BrasherKingsbury
equation has allowed to obtain significant compliance with gravimetric data.

Cytowania

  • 6

    CrossRef

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    Web of Science

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    Scopus

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
Publikacja w czasopiśmie
Rok wydania:
2018
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.porgcoat.2018.03.002
Weryfikacja:
Brak weryfikacji

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