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Analysis of the Corrosion Rate of FeMn-Si Biodegradable Material

Roman Ana-Maria, Chelariu Romeu, Cimpoesu Ramona, Stirbu Ioan, Ionita Iulian, Cazacu Marius Mihai, Prisecariu Bogdan Anton, Cimpoesu Nicanor, Pietrusiewicz Paweł, Sodor Alina

Archives of Metallurgy and Materials

2022

Vol. 67, iss. 4

1243--1250

The Fe-based alloy with manganese led to the appearance of new austenitic alloys, with the antiferromagnetic property pursued, resulting in compatibility with the magnetic field as that of magnetic resonance imaging. The corrosion resistance behavior of the biodegradable Fe-Mn-Si alloy was analyzed in a thermostatic chamber at 37±1°C for 24, 48 and 72 hours by immersing in Ringer solution. Also, the cast and laminated samples were subjected to electro-corrosion tests using a potentiostat equipment. Linear and cyclic potentiometry is presented for characterize the corrosion behavior of the experimental samples in electrolyte. Due to the interaction between the alloy and the liquid medium a change in the solution pH was observed. Structure analysis and chemical composition details of the surfaces were obtained using electron scanning microscopy (SEM) and X-ray energy dispersive spectroscopy (EDS).