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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...
Electrochemical Impedance Spectroscopy (EIS) is an interesting non-invasive technique to study the corrosion layer of metallic artifacts as well as to test the integrity of protective coatings, however commercial EIS systems are rather expensive devices. This paper describes an extremely low cost realization of an EIS system that is based on a simple commercial Arduino Board whose cost is below 50$...
Metallic works of art of cultural relevance are continuously subjected to corrosion as the environment becomes increasingly polluted. A fast and simple method to in situ assess the conservation conditions is therefore required. This paper describes the development and performance of dry and gel-based electrodes which can be used to assess the surface conservation state without the need to move the...
Conservation of precious metallic works of art requires an in situ monitoring of the conditions of the objects and of the protecting coatings employed for their restoration. In this paper a simple diagnostic tool based on digital photography and 2D-FFT imaging processing is proposed that is used for monitoring the corrosion process occurring on metal surfaces. The proposed approach has been tested...
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