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Surface Concentration of Molybdenum in Types 316 and 304 Stainless Steel by Auger Electron Spectroscopy
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1972
Year
EngineeringChemical EngineeringCorrosionType 304Materials ScienceMaterials EngineeringAuger Electron SpectroscopyElemental MetalMicrostructureCorrosion TechnologySurface CharacterizationStainless SteelSurface AnalysisSurface ScienceApplied PhysicsSurface EngineeringMetallurgical ProcessTypes 316Surface Concentrations
Auger electron spectroscopy has been used to determine surface concentrations of Mo in Types 304 and 316 stainless steel. The technique involved was Ar+ bombardment removal of the stainless surface with alternate monitoring of the height of the 190 eV Mo peak. Surface concentrations of 14% were observed in mill‐finished Type 316 containing 1.95% bulk Mo. Surface segregation of Mo was also observed in Type 304 containing 0.45% Mo impurity.