CHED 1183

New iron-based amorphous alloys have been created to serve as alternatives for the Yucca Mountain Project as compared to the currently used nickel-based, C-22 alloy. These structured amorphous materials (SAM) are much more corrosion resistant than the C-22 alloy. Currently, an atomized iron based-alloy of SAM2X5 (Fe49.7Cr17.7Mn1.9Mo7.4W1.6C3.8Si2.4) is being used as the matrix into which as much as 12 at. % molybdenum (SAM2X10) has been successfully introduced. Impedence spectroscopy data will be presented comparing the corrosion resistance of the C-22 alloy, the standard iron-based alloy matrix SAM2X5, and the molybdenum enriched SAM2X10.