The increasing use of magnesium alloys in many engineering applications is mainly limited by their unsatisfying surface properties, especially the poor tribological properties and the poor corrosion resistance. Therefore an effective and well designed coating technology has to be adapted to allow a successful implementation of magnesium alloys under tribological load and in an corrosive environment. This presentation gives an overview of the performance of different functional metallurgical and ceramic coatings on magnesium diecastings which are applied by atmospheric plasma spraying (APS) and high velocity oxygen fuel spraying (HVOF).
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