On the effect of serum biomolecules on in-vitro corrosion of pure Mg and a novel bio-compatible dilute Mg alloy

Biocorrosion of Mg is an important topic in the context of resorbable implant applications. This thesis investigates the role of serum biomolecules on corrosion of pure Mg and a dilute Mg-Zn-Ca alloy in in-vitro conditions. It has been identified that synergistic interactions between phosphate and calcium ions play a major role in controlling Mg biocorrosion. The presence of calcium in the alloy and/or the solution aids formation of a protective barrier against corrosion. The effect of extrusion on the corrosion of the dilute Mg-Zn-Ca alloy is also investigated and discussed.