Informace o publikaci

Assessment of localized corrosion under simulated physiological conditions of magnesium samples with heterogeneous microstructure: Value of X-ray computed micro-tomography platform

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ROČNÁKOVÁ Ivana MONTUFAR Edgar B. HORYNOVÁ Miroslava ZIKMUND Tomáš NOVOTNÝ Karel KLAKURKOVÁ Lenka ČELKO Ladislav SONG Guang-Ling KAISER Jozef

Rok publikování 2016
Druh Článek v odborném periodiku
Časopis / Zdroj Corrosion Science
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://www.sciencedirect.com/science/article/pii/S0010938X15301876
Doi http://dx.doi.org/10.1016/j.corsci.2015.12.009
Obor Analytická chemie, separace
Klíčová slova Magnesium; X-ray microtomography; Weight loss; Polarization; X-ray diffraction; Selective oxidation
Popis Accurate assessment of magnesium degradation is crucial for the development of safe medical devices. X-ray computed microtomography is one of the methods that are recently used to evaluate the corrosion of magnesium. This work validates the potential of this method to discern the different corrosion rates of different surfaces of a magnesium coupon, representing a real advantage of this technique over other methodologies that only evaluate the overall corrosion behaviour. The results also show that magnesium corrodes faster in zones with high twin density and that its corrosion product formation varies in different simulated physiological fluids.
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