Barrel Finishing of Magnesium Alloys


Barrel finishing is a well-established process in the industry for the targeted machining of surfaces. Especially small parts in large quantities with simple geometries can be easily machined this way. When investigating the biological behaviour of degradable magnesium implant alloys, platelets of 1 cm diameter and a thickness of slightly more than one mm are often used. Due to statistical requirements, a higher number of pieces are necessary. In addition, the geometry is comparatively simple. To ensure a certain reproducibility, all samples should also have comparatively similar surfaces. In this work, different abrasives and various process parameters are investigated to answer the question of whether barrel grinding is a viable process for producing reproducible specimens.
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