Mechanical properties and bio-corrosion properties of CaO added ZM21 alloys as biodegradable materials

Wonseok Yang; Young Gil Jung; Shae K. Kim; Hyunkyu Lim; Do Hyang Kim

doi:10.3365/KJMM.2014.52.11.949

Mechanical properties and bio-corrosion properties of CaO added ZM21 alloys as biodegradable materials

Wonseok Yang, Young Gil Jung, Shae K. Kim, Hyunkyu Lim, Do Hyang Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Mg alloys with unique characteristics, such as high specific strength, low density, high corrosion rate, and so on, are regarded as functional and also structural materials. In particular, Mg alloys have attractive points as metal implants due to their good biocompatibility and biodegradability in the bio-environment and similar elastic modulus to that of bone tissue. The purpose of this work was to investigate the mechanical properties and bio-corrosion properties of extruded Mg-2Zn-1Mn-xCaO (x = 0.5, 1.0, and 1.5) alloys. To evaluate the bio-corrosion properties, electrochemical tests were conducted in Hanks' solution at 37°C. The results of tensile and in vitro corrosion tests indicated that the mechanical and biodegradable properties of Mg-2Zn-1Mn-xCaO alloys could be adjusted by controlling the CaO content.

Original language	English
Pages (from-to)	949-956
Number of pages	8
Journal	Journal of Korean Institute of Metals and Materials
Volume	52
Issue number	11
DOIs	https://doi.org/10.3365/KJMM.2014.52.11.949
Publication status	Published - 2014 Nov 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Modelling and Simulation
Surfaces, Coatings and Films
Metals and Alloys

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abstract = "Mg alloys with unique characteristics, such as high specific strength, low density, high corrosion rate, and so on, are regarded as functional and also structural materials. In particular, Mg alloys have attractive points as metal implants due to their good biocompatibility and biodegradability in the bio-environment and similar elastic modulus to that of bone tissue. The purpose of this work was to investigate the mechanical properties and bio-corrosion properties of extruded Mg-2Zn-1Mn-xCaO (x = 0.5, 1.0, and 1.5) alloys. To evaluate the bio-corrosion properties, electrochemical tests were conducted in Hanks' solution at 37°C. The results of tensile and in vitro corrosion tests indicated that the mechanical and biodegradable properties of Mg-2Zn-1Mn-xCaO alloys could be adjusted by controlling the CaO content.",

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AU - Kim, Do Hyang

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