Formation mechanism of biocompatible fluoride conversion coating on AZ31 magnesium alloy
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F15%3APU117240" target="_blank" >RIV/00216305:26310/15:PU117240 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Formation mechanism of biocompatible fluoride conversion coating on AZ31 magnesium alloy
Original language description
Magnesium alloys are characterized by high strength to weight ratio and vibration absorbance, but the main disadvantage, limiting their usage in engineering and medical fields, is magnesium high corrosion rate. Several methods were developed to improve corrosion resistivity of magnesium alloys. This study focuses on improving corrosion resistance of AZ31 magnesium alloy for biomedical applications by conversion coating. Biocompatible fluoride conversion coating was prepared by immersion of AZ31 magnesium alloy in molten Na[BF4] salt kept at 693 K. Dependence of conversion coating growth on immersion time was evaluated, focusing on the coating thickness and compactness. Mechanism of fluoride conversion coating forming was studied in air-free atmosphere.The experiments were carried out to determine if the coating formation was controlled by diffusion or by chemical reaction of the magnesium alloy and the melt. Diffusion process seems to be controlling the coating formation. It was shown
Czech name
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Czech description
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Classification
Type
O - Miscellaneous
CEP classification
CA - Inorganic chemistry
OECD FORD branch
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Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů