High-strength materials were used in the design and fabrication of a Void Fraction Instrument that would be used in the caustic Hanford waste tank environments. Little corrosion data was available to predict the corrosion susceptibility of the high-strength materials in the tank environment. Limited scope testing has been performed to assess the susceptibility of these materials to uniform and localized corrosion in a caustic waste simulant based on the chemical composition of tank SY-101. The materials were found to be resistant to both uniform and localized corrosion for the limited duration of the testing.

Subject
Materials, Materials performance, Nickel based alloys, Uniform corrosion rate, U bends, Sodium, Corrosion data, Localized corrosion, Stainless steel, Wastes, Heat treatment, Stress corrosion cracking, Voids
Keywords:
Radioactive waste tanks, high-strength materials, Void Fraction Instrument
Government work published by the Association for Materials Protection and Performance (AMPP) with permission of the author(s). Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
1996
GOV
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