In Vitro Corrosion and Biocompatibility of Coated MgCa1.0 Magnesium Alloys

Paul Rosemann; Susanne Bender; Andreas Heyn; Jürgen Schmidt

doi:10.4028/www.scientific.net/MSF.690.409

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HomeMaterials Science ForumMaterials Science Forum Vol. 690In Vitro Corrosion and Biocompatibility of Coated...

In Vitro Corrosion and Biocompatibility of Coated MgCa1.0 Magnesium Alloys

Abstract:

As bio-absorbable implant material the magnesium alloy Mg-1Ca is able to degrade in-vivo. The mechanical properties of this alloy are similar to those of human bone; both Mg and Ca are essential elements in human body. The main problem is the high corrosion rate of this alloy. Two coating systems based on plasma-chemical oxidation and an organic dip coating are applied onto MgCa1.0 magnesium alloy in order to slow down the corrosion rate. The corrosion behaviour of the coated alloys was investigated with electrochemical noise measurements. The influence of hydrogen evolution and increasing pH-value on the cytotoxicity was examined. The results of these investigations suggest that a combination of both coating systems leads to promising degradation properties.

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Periodical:

Materials Science Forum (Volume 690)

Pages:

409-412

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.690.409

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Online since:

June 2011

Authors:

Paul Rosemann, Susanne Bender, Andreas Heyn, Jürgen Schmidt

Keywords:

Biocompatibility, Biodegradation, Magnesium, Plasma-Chemical Oxidation

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