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Novel Antibacterial Biodegradable Fe-Mn-Ag Alloys Produced by Mechanical Alloying Publisher Pubmed



Sotoudehbagha P1 ; Sheibani S2 ; Khakbiz M1 ; Ebrahimibarough S3 ; Hermawan H4
Authors

Source: Materials Science and Engineering C Published:2018


Abstract

Various compositions and synthesis methods of biodegradable iron-based alloys have been studied aiming for the use of temporary medical implants. However, none is focused on nano-structured alloy and on adding antibacterial property to the alloy. In this study, new Fe-30Mn-(1–3)Ag alloys were synthesized by means of mechanical alloying and assessed for their microstructure, mechanical properties, corrosion rate, antibacterial activity and cytotoxicity. Results showed that the alloy with 3 wt% Ag content displayed the highest relative density, shear strength, micro hardness and corrosion rate. However, optimum cytotoxicity and the antibacterial activity were reached by the alloy with 1 wt% Ag content. The compositional and processing effects of the alloys' properties are further discussed in this work. © 2018 Elsevier B.V.