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The Influence of Machining on Residual Stresses and Corrosion Behavior of MgLa2 Osteosynthesis Plates

Bioresorbable osteosynthesis plates made of magnesium alloys ideally provide sufficient stability and exhibit a degradation rate matching with the healing process of bone. Within this study the influence of the surface integrity on the corrosion behaviour of magnesium alloy MgLa2 is investigated. Roughness as well as residual stresses is determined by the machining process. Potentially, the degradation rate is also affected which will be proved by a rapid or immersion test.