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

Rosemann, Paul; Bender, Susanne; Heyn, Andreas; Schmidt, Jürgen

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Paper Titles

Designing Light Alloys for Fatigue Crack Growth Resistance, p.393
Evaluation of Initial Corrosion Phenomenon of Magnesium Alloys by SKPFM, p.397
Influence of Laser Processing Parameters on Microstructure and Corrosion of Laser Surface Melted ZE41 Magnesium Alloy, p.401
Surface Wear Improvement of Al-Alloys by Amorphous Iron-Based Flame-Sprayed Coatings, p.405
In Vitro Corrosion and Biocompatibility of Coated MgCa1.0 Magnesium Alloys, p.409
Anodic Oxidation and Silane Treatment for Corrosion Protection of AM60B Magnesium Alloy, p.413
Corrosion Behavior of As-Cast Binary Mg-Dy Alloys, p.417
Characterization of Ni-P/TiO₂ MMC Coatings Prepared by Electroless Plating Process on Mg-Nd-Zn-Zr Magnesium Alloys, p.422
The Dark Side of Light Metals: Energy Wasted and Unnecessary CO₂ Emitted as a Consequence of the Re-Oxidation of Molten Aluminium, p.429

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Paper Title:

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

Periodical	Materials Science Forum (Volume 690)
Main Theme	Light Metals Technology V
Edited by	Hajo Dieringa, Norbert Hort and Karl Ulrich Kainer
Pages	409-412
DOI	10.4028/www.scientific.net/MSF.690.409
Citation	Paul Rosemann et al., 2011, Materials Science Forum, 690, 409
Online since	June, 2011
Authors	Paul Rosemann, Susanne Bender, Andreas Heyn, Jürgen Schmidt
Keywords	Biocompatibility, Biodegradation, Magnesium, Plasma-Chemical Oxidation
Price	US$ 28,-

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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.