Atomic-force-microscopy Carbides Chemical compositions Chromium alloys Coarsening Cobalt alloys Corrosion behaviour Corrosion resistance Corrosive effects Entropy Grain boundaries Hardness High entropy alloys High-entropy alloys Mechanical alloying Microstructural coarsening Mn content Potentiodynamic measurement Powders Property Scanning Kelvin probe microscopy Sodium chloride Spark plasma sintering Spark-plasma-sintering Steel corrosion Topography mechanical alloying potentiodynamic measurements properties spark plasma sintering