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Biocorrosion resistance of coated magnesium alloy by microarc oxidation in electrolyte containing zirconium and calcium salts

التفاصيل البيبلوغرافية
العنوان: Biocorrosion resistance of coated magnesium alloy by microarc oxidation in electrolyte containing zirconium and calcium salts
المؤلفون: Yaming Wang, Yunfeng Wu, Yan Liu, Yu Zhou, Jianyun Cao, Dechang Jia, Jun-Wei Guo
المصدر: Frontiers of Materials Science. 8:295-306
بيانات النشر: Springer Science and Business Media LLC, 2014.
سنة النشر: 2014
مصطلحات موضوعية: Zirconium, Materials science, Magnesium, Simulated body fluid, Alloy, Metallurgy, chemistry.chemical_element, engineering.material, Microstructure, Corrosion, Coating, chemistry, Chemical engineering, engineering, General Materials Science, Magnesium alloy
الوصف: The key to use magnesium alloys as suitable biodegradable implants is how to adjust their degradation rates. We report a strategy to prepare biocompatible ceramic coating with improved biocorrosion resistance property on AZ91D alloy by microarc oxidation (MAO) in a silicate-K2ZrF6 solution with and without Ca(H2PO4)2 additives. The microstructure and biocorrosion of coatings were characterized by XRD and SEM, as well as electrochemical and immersion tests in simulated body fluid (SBF). The results show that the coatings are mainly composed of MgO, Mg2SiO4, m-ZrO2 phases, further Ca containing compounds involve the coating by Ca(H2PO4)2 addition in the silicate-K2ZrF6 solution. The corrosion resistance of coated AZ91D alloy is significantly improved compared with the bare one. After immersing in SBF for 28 d, the Si-Zr5-Ca0 coating indicates a best corrosion resistance performance.
تدمد: 2095-0268
2095-025X
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::58e8b46bc5be019a7f25aba4ab27552b
https://doi.org/10.1007/s11706-014-0255-7
حقوق: CLOSED
رقم الأكسشن: edsair.doi...........58e8b46bc5be019a7f25aba4ab27552b
قاعدة البيانات: OpenAIRE
الوصف
تدمد:20950268
2095025X