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Describes a procedure to overcome silicon bias by coupling a standardized chill casting procedure with a relatively simple and rugged x-ray fluorescence (XRF) surface preparation technique. Background on the analysis of metal alloys using XRF; Differences in the microstructure distribution of sand cast using optical microscopy and the wavelength-dispersive XRF silicon recovery; Requirements for XRF sample preparation.

The article presents research demonstrating the use of NitroMaxx alloy to reduce the exposure of workers on radiation. Topics discussed include an overview of alloys NOREM, NitroMaxx and Stellite, the development of NitroMaxx, the use of microscope in examining the degradation, and the test of typical nuclear plant.