The bone surgery often makes use of implants to sustain and fix the bones during the healing phase. Commonly used implants require a surgical procedure to be removed after bone healing, so there is a strong demand for a new typology of bio-absorbable implants. Magnesium and its alloys are promising materials for orthopedic self-degrading implants, mainly if they are protected by a thin coating. The design of Mg-based implants cannot disregard the adoption of a simple measurement procedure for assessing and monitoring the corrosion evolution in environments simulating the body fluids. This paper describes a measuring approach for the corrosion behavior assessment of different Mg-based alloys uncoated and coated with innovative surface treatments, based on Electrochemical Impedance Spectroscopy measurements.

Electrochemical characterization of magnesium bioabsorbable implants2014 IEEE International Symposium on Medical Measurements and Applications (MeMeA) / Grassini, Sabrina; Angelini, EMMA PAOLA MARIA VIRGINIA; Parvis, Marco; Corbellini, Simone; Ishtaiwi, Maen. - STAMPA. - (2014), pp. 1-6. ((Intervento presentato al convegno 9th IEEE International Symposium on Medical Measurements and Applications, IEEE MeMeA 2014 tenutosi a Lisboa, Portugal nel 11-12 June 2014 [10.1109/MeMeA.2014.6860053].

Electrochemical characterization of magnesium bioabsorbable implants2014 IEEE International Symposium on Medical Measurements and Applications (MeMeA)

GRASSINI, Sabrina;ANGELINI, EMMA PAOLA MARIA VIRGINIA;PARVIS, Marco;CORBELLINI, SIMONE;ISHTAIWI, MAEN
2014

Abstract

The bone surgery often makes use of implants to sustain and fix the bones during the healing phase. Commonly used implants require a surgical procedure to be removed after bone healing, so there is a strong demand for a new typology of bio-absorbable implants. Magnesium and its alloys are promising materials for orthopedic self-degrading implants, mainly if they are protected by a thin coating. The design of Mg-based implants cannot disregard the adoption of a simple measurement procedure for assessing and monitoring the corrosion evolution in environments simulating the body fluids. This paper describes a measuring approach for the corrosion behavior assessment of different Mg-based alloys uncoated and coated with innovative surface treatments, based on Electrochemical Impedance Spectroscopy measurements.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11583/2578941
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