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Biocorrosion of Biodegradable Implant Mg-xCa-4Zn Alloy in Simulated Body Fluid with the Addition of Ca

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Abstract:

The effect of Ca on the microstructure and corrosion properties was investigated. Vacuum induce melting was used to obtain the Mg-xCa-4Zn (wt.%) (x = 0%, 1%, 2% and 3%) alloys. Erode test was carried out in the Hank’s simulated body fluid for the alloys and the increasing of weight is carefully measured. The microstructure of the alloys was observed with optical microscope and energy spectrum analysis was used for accurate composition. It is found that as the increasing of Ca, the corrosion extent is getting serious for the Mg-xCa-4Zn alloys. Hardness increases as the adding of Ca in the alloys.

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Periodical:

Advanced Materials Research (Volume 496)

Pages:

181-184

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.496.181

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Online since:

March 2012

Authors:

Ji Jie Wang, Yue Jiao Feng, Tong Cui, Da Jiang, Na Li, Yan Jing Wang

Keywords:

Biological Implant Mg-Ca-Zn Alloy, Corrosion Rate, Hank Solution, Hardness

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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