Detail publikace

The importance of ammonium and potassium ions under hydrothermal preparation conditions on the structure and corrosion properties of CaP coatings

BUCHTÍK, M. HASOŇOVÁ, M. BŘEZINA, M. MÁSILKO, J. KAJÁNEK, D. ŠVEC, J. SEDLAČÍK, M. WASSERBAUER, J. DOSKOČIL, L.

Originální název

The importance of ammonium and potassium ions under hydrothermal preparation conditions on the structure and corrosion properties of CaP coatings

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

CaP coatings were hydrothermally deposited on the AZ31 magnesium alloy in rection mixture containing ammonium or potassium ions. CaP coatings were deposited on AZ31 alloy in reaction mixture at pH 5 and 7 with and without EDTA chelating agent. It was found that the ammonium ions present have a negative effect on the quality of the CaP coating deposited from mixture at pH 7 and their presence at neutral environment results in the formation of structural defects in the coatings. At the same time, the presence of ammonium ions suppresses hydrolysis and crystallization of OCP and HAp. However, pH and the presence of EDTA have a more pronounced effect on the structure and phase composition. The coatings deposited in the reaction mixture, containing potassium-based precursors and EDTA, at pH 7 showed the best thermal stability due to the majority of HAp phase. The uniform CaP coating deposited in the reaction mixture containing EDTA and K+ ions at pH 7 also achieved the best corrosion properties due to the absence of structural defects and dense structure.

Klíčová slova

AZ31 magnesium alloy; Calcium phosphate coatings; Hydroxyapatite; Potentiodynamic polarization; Thermal analysis

Autoři

BUCHTÍK, M.; HASOŇOVÁ, M.; BŘEZINA, M.; MÁSILKO, J.; KAJÁNEK, D.; ŠVEC, J.; SEDLAČÍK, M.; WASSERBAUER, J.; DOSKOČIL, L.

Vydáno

14. 2. 2025

Nakladatel

Elsevier

ISSN

1873-3956

Periodikum

CERAMICS INTERNATIONAL

Ročník

51

Číslo

5

Stát

Spojené království Velké Británie a Severního Irska

Strany od

5544

Strany do

5556

Strany počet

13

URL

https://www.sciencedirect.com/science/article/pii/S0272884224013166

BibTex

@article{BUT189553,
  author="Martin {Buchtík} and Michaela {Hasoňová} and Matěj {Březina} and Jiří {Másilko} and Daniel {Kajánek} and Jiří {Švec} and Martin {Sedlačík} and Jaromír {Wasserbauer} and Leoš {Doskočil}",
  title="The importance of ammonium and potassium ions under hydrothermal preparation conditions on the structure and corrosion properties of CaP coatings",
  journal="CERAMICS INTERNATIONAL",
  year="2025",
  volume="51",
  number="5",
  pages="5544--5556",
  doi="10.1016/j.ceramint.2024.03.348",
  issn="1873-3956",
  url="https://www.sciencedirect.com/science/article/pii/S0272884224013166"
}