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Meeting MS&T23: Materials Science & Technology
Symposium Society for Biomaterials: Biological Response to Materials and Material’s Response to Biological Environments
Presentation Title Surface Modification of MgZnCa Alloys Using Plasma Electrolytic Oxidation to Assess Corrosion Resistance and Biocompatibility
Author(s) Emily England, Guillermo Domínguez, Paul Williams, Carl Boehlert, Javier LLorca, Mónica Echeverry-Rendón
On-Site Speaker (Planned) Emily England
Abstract Scope Biodegradable metallic medical implants are an area of interest due to a decreased risk of medical complications pertaining to implant removal and the opportunity to facilitate healing through biologically beneficial properties. Magnesium (Mg) is an option for use as a biodegradable implant material, but there are issues associated with its rapid degradation. In this project, the effect of coating and alloying Mg samples was investigated. Mg was alloyed with varying amounts of zinc (Zn) and calcium (Ca), and plasma electrolytic oxidation (PEO) was explored as a coating mechanism to improve both the corrosion resistance and the biocompatibility of Mg. The effect of Zn and Ca concentrations, PEO electrolytic solutions, and PEO voltage and time were studied to evaluate the changes in degradation and biocompatibility in an attempt to optimize Mg for biomedical applications. This work was partially funded through a National Science Foundation International Research Experience for Students (IRES) grant.


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Surface Modification of MgZnCa Alloys Using Plasma Electrolytic Oxidation to Assess Corrosion Resistance and Biocompatibility
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