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“In-vitro” Tests on New Biodegradable Metallic Material Based on ZnMgY

Panaghie Catalin, Cimpoesu Nicanor, Benchea Marcelin, Roman Ana-Maria, Manole Vasile, Alexandru Adrian, Cimpoesu Ramona, Cazacu Marius Mihai, Wnuk Izabela, Zegan Georgeta

Archives of Metallurgy and Materials

2022

Vol. 67, iss. 2

587--594

Biodegradable materials represent a new class of biocompatible materials with applications in many medical cases where the support must be provided only for a certain period. In this article obtaining of ZnMgY alloy is presented along with some basic characteristic investigations like chemical composition (energy dispersive spectroscopy - EDS), microstructure (optical microscopy - OM and scanning and electron microscopy - SEM), immersion behavior in 10xDPBS (Dulbecco Phosphate Buffer Saline) solution (mass loss and surface degradation), electro-corrosion behavior (potentiostat with a three electrodes cell) and micro-hardness of the experimental alloy compared to cast Zn and ZnMg materials. The results present an improvement of micro-hardness of Zn by alloying with Mg and Y and a modification of corrosion resistance.