Wang Hao1, 2 Shi Zhiming2 Yang Ke3 (1.Faculty of Engineering and Surveying, University of Southern Queensland2.School of Engineering, 等. Magnesium as Biodegradable Implant Material[J]. 特种铸造及有色合金杂志, 2008,(S1):213-215.
Magnesium as Biodegradable Implant Material[J]. Special Casting & Nonferrous Alloys, 2008,(S1):213-215.
Wang Hao1, 2 Shi Zhiming2 Yang Ke3 (1.Faculty of Engineering and Surveying, University of Southern Queensland2.School of Engineering, 等. Magnesium as Biodegradable Implant Material[J]. 特种铸造及有色合金杂志, 2008,(S1):213-215.DOI：
Magnesium as Biodegradable Implant Material[J]. Special Casting & Nonferrous Alloys, 2008,(S1):213-215.DOI：
Magnesium as Biodegradable Implant Material
摘要
Drawbacks associated with permanent metallic implants lead to the search for degradable metallic biomaterials. Magnesium alloys have been highly considered as Mg has a high biocorrosion potential and is essential to bodies. In this study
corrosion behaviour of pure magnesium and magnesium alloy AZ31 in both static and dynamic physiological conditions （Hank’s solution） has been investigated. It is found that the materials degrade fast at beginning
then stabilize after 5 days of immersion. High purity in the materials reduces the corrosion rate while the dynamic condition accelerates the degradation process. In order to slow down the degradation process to meet the requirement for their bio-applications
an anodized coating is applied and is proved as effective in controlling the biodegradation rate.
Abstract
Drawbacks associated with permanent metallic implants lead to the search for degradable metallic biomaterials. Magnesium alloys have been highly considered as Mg has a high biocorrosion potential and is essential to bodies. In this study
corrosion behaviour of pure magnesium and magnesium alloy AZ31 in both static and dynamic physiological conditions （Hank’s solution） has been investigated. It is found that the materials degrade fast at beginning
then stabilize after 5 days of immersion. High purity in the materials reduces the corrosion rate while the dynamic condition accelerates the degradation process. In order to slow down the degradation process to meet the requirement for their bio-applications
an anodized coating is applied and is proved as effective in controlling the biodegradation rate.
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