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논문 기본 정보

자료유형
학술저널
저자정보
Seyed Masih Mousavizadeh (Amirkabir University of Technology (Tehran Polytechnic)) Seyed Hadi Tabaian (Amirkabir University of Technology (Tehran Polytechnic))
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.12
발행연도
2021.12
수록면
5,074 - 5,081 (8page)
DOI
10.1007/s12540-020-00885-5

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In this study, the effect of Mn addition on the corrosion properties and biocompatibility of a new biodegradable Mg?1Ca?2Zn?1RE?xMn alloy (x = 0, 0.3, 0.6, 0.9 wt%) was investigated using Hank’s solution. The main purpose was to achievea biocompatible alloy with optimum corrosion properties which can be used to fabricate biodegradable implants. Thus aspecial composition of alloying elements was used. X-ray diffraction analysis revealed that Mn addition does not induce anyMn intermetallic phase. Besides, Mn shifted the solute elements from the grain boundaries toward the matrix. The corrosionresistance of the alloys was efficiently improved by adding Mn, according to the electrochemical measurements. Thehighest corrosion resistance in comparison with other alloys was observed for the alloy with 0.9 wt% Mn. Moreover, theFourier-transform infrared spectroscopy test and scanning electron microscope images of the immersed specimens in Hank’ssolution, indicate that Mg?1Ca?2Zn?1RE?xMn is a biocompatible alloy as phosphate and carbonate groups are formed onthe specimens which are the fingerprint of hydroxyapatite formation.

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